JPH08171687A - Address setting unit - Google Patents

Abstract

PURPOSE: To provide a portable address setting unit which can set and confirm many addresses in a short time and also can test a sensor and a terminating unit. CONSTITUTION: A sensor main body is fitted to a connection part 31, and an address is set by means of a ten-key 41 and a +1 key 42 and then written in a memory by a write key 39. When a test key 38 is pushed after a mode changeover switch 37 is set in an analog mode, a sensor can be tested so that the analog information on the sensor main body connected to the part 31 is read out and displayed. Furthermore, a test cable 10 is connected to the terminating unit of a sensor circuit and the key 38 is pushed after the switch 37 is set on the side of the terminating unit. Thus, the terminating unit can be tested.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention writes an address to a non-volatile memory of a sensor body and reads out an address from the nonvolatile memory.
The present invention relates to an address setter capable of displaying an analog value of a sensor body and testing a termination line of a sensor line.

[0002]

2. Description of the Related Art Conventionally, in a sensor which detects a polling for calling a sensor sent from a receiver and discriminates a self address, address setting is performed by a DIP switch. That is, a DIP switch is provided for the transmission control circuit including a CPU, the address is manually set, and the transmission control circuit determines the self-address based on the output from the polling pulse detection circuit.

Since the address setting by the DIP switch is manual, an error may occur.
In addition, since the DIP switch has a large size, it takes up space. Therefore, EEP is used as a non-volatile memory for the sensor.
By providing the ROM and storing the address in the EEPROM, the problem of the DIP switch can be solved.

[0004]

[PROBLEMS TO BE SOLVED BY THE INVENTION] By the way, EEPRO
When storing the address in M, a device for setting the address is required. Address settings may be set collectively for multiple sensors at the time of shipment from the factory, or may be set before installation in the field.In the former case, a function that allows a large number of addresses to be set in a short time is required. In the latter case, a portable one is required. And in any case, it is necessary to be able to set the address surely. Furthermore, in the case of the on-site setting, not only the address setting but also the functional test of the sensor and the terminating test of the sensor line, etc. Multifunctionalization was demanded.

However, as a conventional address setting device, an EEP which is built in a sensor using a ROM writer is used.
Only address writing to the ROM has been considered, and it is difficult to use for setting the address of the EEPROM incorporated in the completed sensor body, and it is used both at the time of factory shipment and on-site work. There was not enough to use it, and there was not enough.

The present invention has been made in view of such conventional circumstances, and it is possible to set a large number of addresses in a short time, convenient to carry, and to confirm the addresses. It is an object of the present invention to provide an address setting device that can also perform a sensor function test and a terminal device test.

[0007]

To achieve this object, the present invention is constructed as follows. First, in order to realize the address setting function in the address setting / testing device of the present invention, a sensor connection part for connecting a sensor body having a memory for storing address information and an address input for inputting address information of the sensor body. And a display unit for displaying address information, and an address writing unit for writing the address information input by the address input unit in the memory of the sensor body.

Here, the address input section is provided with a ten-key for inputting number numbers of address information and a plus 1 key for incrementing the address-number input by the ten keys by one. Further, a printer that prints out the address information and a printer control unit that prints the address information on the printer when the writing of the address information to the memory of the sensor main body by the address writing unit is normally completed are provided. In this printer, a paper sheet having a separable sticker is set, address information is printed, and the printed adhesive sticker is peeled off so that it can be attached to the sensor body.

Further, in order to realize a function of confirming the address information written in the memory of the sensor body, a test key for instructing confirmation of the address information written in the memory of the sensor body and a test key An address reading unit for reading the address information from the memory of the sensing main body based on the operation and displaying it on the display is provided. In addition, in order to enable a functional test of the sensor body, a mode changeover switch for switching from the address setting mode to the sensor test mode and detection information on the sensor body when the sensor test mode is switched by the mode changeover switch. Is provided, and a sensor test unit for displaying the detection information sent from the sensor body on the display is provided.

Here, the sensor body has an analog sensor circuit that receives an A / D conversion command and sends out an analog detection value. Therefore, the sensor test section switches the mode changeover switch to the sensor test mode. When switched to, the A / D conversion command is sent to the sensor body. Furthermore, in order to realize the test function of the terminator provided in the sensor line, a test cable that can be connected to the terminator connected to the sensor line, and a mode switch to switch from the address setting mode to the terminator test mode. When the switch and test cable are connected to the terminator of the sensor line and the mode selector switch is switched to the terminator test mode, read the line voltage with the specified test voltage applied to the test cable. And a terminator determination unit for determining the state of the terminator.

Here, the terminator determination unit determines and displays the normal state of the terminator from the line voltage and the abnormal state such as unconnected or incorrect connection of the terminator. Further, in addition to the address setting function of the sensor body, both the sensor function test function and the terminator test function may be provided.

[0012]

According to the address setting device of the present invention having such a structure, the sensor main body for setting the address is fitted into the sensor connecting portion by being wound, and the address number is input and written by the ten-key pad. Addresses can be automatically written into the memory of the sensor body by simply pressing a key, using the transmission control function and command execution function of the sensor body.

When setting a large number of sensor addresses, first enter the address number with the numeric keypad, and then
By operating the plus 1 key having the increment function, the addresses can be set in sequence, and the input signal of the address can be omitted each time, and a large number of addresses can be set in a short time. Further, when the test key is pressed in the address setting mode, the address written in the memory of the sensor body is read out and displayed, and after setting the new address, it is possible to confirm whether the address has been set correctly.

When the sensor test mode is set, it is possible to perform a functional test of the sensor which sends an A / D conversion command to the sensor body and returns an analog value for display. Also, when address information is printed normally by the printer when address writing is completed normally, by using a paper with a separable adhesive sticker, the sticker on which the address information is printed can be peeled off and the sensor body can be easily attached. It can be pasted, and handwriting mistakes of address information are eliminated.

When a test cable having a crocodile clip or the like is connected to the terminator of the sensor line to set the terminator test mode, a test voltage is applied to the sensor line and the terminator is used according to the state of the terminator. The line voltage is obtained, and it is possible to read the line voltage and perform a terminator test of whether or not the expected terminator is correctly connected. In this terminator test, the normal state of the terminator, the abnormal state such as the terminator not connected or the incorrect connection is judged and displayed by the corresponding indicator light, so it is immediately possible to determine what the abnormal state is. I can know.

[0016]

FIG. 1 is an external view showing an embodiment of an address setting device of the present invention. In the address setter 9 of FIG.
Reference numeral 31 is a connecting portion of the sensor body, and a pair of fittings 32, 33 are screwed to the connecting portion 31. This fitting structure is the same structure as the sensor base that installs the sensor body on the ceiling surface, etc. By fitting the fitting fittings of the sensor body into the fitting fittings 32 and 33 by turning, The setter 9 and the sensor body can be connected.
Here, as the sensor main body connected to the connection unit 31,
For example, FIG. 2 shows a photoelectric analog smoke detector 7.

In FIG. 2, the analog sensor 7 (hereinafter referred to as
The sensor base 11 and the sensor body 12 are referred to as "sensors".
Composed of. The sensor base 11 is directly attached to the ceiling, and the sensor body 12 is attached to the sensor base 11 via a fitting fitting that also serves as an electrical contact. An alarm indicator light circuit 13 is provided on the sensor base 11, and the main body 12 is connected via the alarm indicator light circuit 13 and the transmission path 2.
The side circuit is connected to the receiver 1.

The sensor body 12 has a rectifier circuit 14 for making the connection polarity nonpolarized, a noise absorption circuit 15, a transmission signal detection circuit 16 for detecting a signal transmitted from the receiver 1 in a polling system, and a receiver. A response signal output circuit 17 for returning a response signal to 1 is provided. Further, in the subsequent stage of the response signal output circuit 17, the smoke detection infrared LED 1
8 and a test infrared LED 19 are provided with a constant voltage circuit 20 for generating a constant voltage of 3.2V and for amplifying a received light output, a constant voltage circuit 20 for generating a constant voltage of 10V.

Further, a transmission control circuit 21 composed of a CPU for executing a transmission procedure with the receiver 1 is provided at the subsequent stage of the constant voltage circuit 20, and the transmission control circuit 21 controls the LED drive circuit 22. Infrared LED for smoke detection
18 and the test infrared LED 19 are driven. When smoke is detected, the smoke detection infrared LED 18 is made to emit a pulse,
Further, during the test, the test infrared LED 19 is caused to emit a pulse.

The scattered light of smoke from the light emitted from the LED 18 is photoelectrically converted by the light receiving element 23 and detected by the light receiving circuit 24. This detection signal is amplified by the amplifier circuit 25 and applied to the transmission control circuit 21. The transmission control circuit 21 returns the output level of the amplifier circuit 25 and an address preset in the non-volatile memory 26 to the receiver 1 via the response signal output circuit 17.

The non-volatile memory 26 is an EEPROM, in which address information is written by the address setter 9 of the present invention, and preset address information is read out. Referring again to FIG. 1, reference numeral 34 is a power switch, and when the power switch 34 is turned on, the power lamp 3 is turned on.
5 lights up. When the power switch 34 is turned off while the DC jack of an AC adapter (not shown) is connected, the charging lamp 36 is turned on and charging is started. It should be noted that when the voltage of the built-in battery drops to a predetermined voltage, the power supply lamp 35 switches from lighting to blinking. Further, when the power switch 34 is turned on, all the display parts are turned on for a predetermined time, and self-diagnosis can be performed.

Reference numeral 37 is a slide switch for setting the address setting mode, the sensor test mode, and the terminator test mode. When the slide switch 37 is switched to the “address” side and the write key 39 is pressed, address information is written to the nonvolatile memory 26 of the sensor 7. Writing light 40 during writing of address information
Lights up.

When the slide switch 37 is switched to the "address" side and the test key 38 is pressed, preset address information is read out from the nonvolatile memory 26 of the sensor 7 and is displayed on the segment display section 44. Is displayed. When the slide switch 37 is switched to the "analog" side and the test key 38 is pressed, the sensor test is performed. Further, when the slide switch 37 is switched to the "terminator" side, the terminator test is performed.

Reference numeral 41 is a ten-key pad as an input means,
The address information is input with the ten keys 41. When setting the address information with a serial number for a number of sensors collectively, the +1 key (plus 1 key) 4 among the ten keys 41
2 is used so that the input work of the address can be omitted each time. Also, writing address information,
When the reading or the reading of the analog value fails and there is an error display, the clear key 43 is used to clear the display.

Reference numeral 44 denotes a segment display section. The segment display section 44 displays the analog value read when the sensor test is performed, the new address when the address information is written, and The read address when the address information is read is displayed. Also,
On the segment display section 44, an error indicating that the sensor test has failed or the analog detection value has failed to be read is displayed. Also, the analog indicator lamp 45 lights up during the test of the sensor, and the address indicator lamp 4 is displayed while the address information is being written or read.
6 lights up.

As a test result of the terminator 8, when the predetermined terminator is connected and is normal, the OK lamp 47 is turned on,
When the terminator is not connected or a terminator other than a predetermined terminator is connected and there is an abnormality, the NG1 to NG4 lamps 48 to 51 are turned on. The OK lamp 47 indicates that one terminator 8 is connected, the NG1 lamp 48 indicates that there is no terminator, and NG2
The lamp 49 indicates that two or more terminators are connected, the NG3 lamp 50 indicates that a resistor is connected, and the NG4 lamp 51 indicates that a terminator is connected to a resistor. To do.

A printer 52 prints the set address information. As shown in FIG. 3, the printer 52 uses a sticker paper 53 to which a plurality of stickers 54 are attached. Sticker 54 of sticker paper 53
When the address setting for the sensor body 12 is normally completed, the printer 52 prints the address information, the sticker 54 is peeled off, and the sticker 54 printed with the address information is attached to the back surface of the sensor body 12. I am able to do that. In this way, transcription errors are prevented.

Further, a test cable 10 used in the terminator test is pulled out from the upper portion of the address setting device 9 in FIG. 1, and has alligator clips 10a and 10b at the tip end thereof, and the terminator to be tested is It is possible to connect to the sensor line. The test cable 10 is prepared as an accessory, and is used by connecting it to the jack terminal mounted on the address setter 9 in the terminator test.

FIG. 4 shows a state of a terminator test using the address setter 9 of FIG. In FIG. 4, reference numeral 1 denotes a receiver, a transmission line 2 is drawn from the receiver 1, and a sensor repeater 3, an analog sensor 7 and the like are connected to the transmission line 2. The signal line 5 and the common line 6 from the sensor repeater 3
Is connected to the ON / OFF sensor 4 and the terminator 8 composed of two Zener diodes.

The analog sensor 7 has a built-in function as a repeater and sends the analog signal detected by the heat sensor and smoke density sensor to the receiver 1. Repeater for sensor 3,
A unique address is preset for each of the analog sensor 7 and the analog sensor 7, and when the address from the receiver 1 matches its own address, the process based on the received command is executed. When testing the terminator 8 using the address setter 9 of the present invention, the test cable 10 is connected between the sensor lines 5 and 6 for the terminator 8.

The main body 55 of the address setter 9 is made of an aluminum case, has light metal fittings, has a built-in battery, and is a handy type, which is convenient for carrying. FIG. 5 is a circuit block diagram of the address setter 9. In FIG. 5, reference numeral 61 is an AC adapter, and the AC adapter 61 is used by inserting it into a commercial power supply. When the AC adapter 61 is connected, the built-in battery 62 is disconnected and the power source of the AC adapter 61 is used. The DC output of the AC adapter 61 is connected to the connecting portion 63.
When the power is input to the power supply circuit 64 via the, and the power switch 34 is turned on, power is supplied from the power supply circuit 64 to each part,
The power lamp 35 lights up.

When the AC adapter 61 is connected and the power switch 34 is turned off, the built-in battery 62 is charged by the battery charging circuit 66 and the charging lamp 36 is turned on. AC
By pulling out the adapter 61, the built-in battery 6
When the power switch 34 is turned on, the power of the built-in battery 62 is supplied to each part via the power circuit 64.

Reference numeral 67 denotes a display unit, which includes the power supply lamp 35, the writing lamp 40, the segment display section 44, the analog display lamp 45, the address display lamp 46, the OK lamp 47, and the NG1 shown in FIG.
.About.NG 4 lights 48 to 51, each of which receives a display command from the CPU 68 to perform display. When power is inserted, CP
In response to a display command from U68, each display section of the display unit 67 is turned on for a predetermined time, and a self test can be performed.

Reference numeral 69 denotes an operation switch section. The operation switch section 69 comprises the slide switch 37, the power switch 34, the ten-key 41, the write key 39 and the test key 38 shown in FIG. 1, and outputs a signal to the CPU 68. The slide switch 37 outputs a terminator test mode signal, a sensor test mode signal, and an address test mode signal, and a write key 39 outputs an address write signal and a test key 38 outputs a sensor test signal or an address read signal to the CPU 6.
Enter in 8. The power signal from the power switch 34 is CP
Input in U68.

The write address information from the ten key 41 is C
A signal for inputting to the PU 68 and adding "1" with the +1 key 42 and a signal for clearing the display with the clear key 43 are CP
Input in U68. The CPU 68 is the slide switch 3
7. Based on the operation of the write key 39 and the ten key 42,
Address writing unit 68A for instructing the CPU 21 of the sensor body 12 to write the address information in the nonvolatile memory 26.
And the function of the address reading unit 68B for instructing the CPU 21 of the sensor body 12 to read the address information preset in the nonvolatile memory 26 based on the operation of the slide switch 37 and the test key 38.

Further, the CPU 68 controls the slide switch 3
A / A to the sensor main body 12 based on the function of the test signal output unit 68C for outputting the terminator check pulse as the test signal of the terminator 8 based on the operation of 7 and the operation of the slide switch 37 and the test key 38. Send the D conversion command to send back the analog value, and the sensor test unit 68D
It has the function of.

Reference numeral 70 designates a terminator judging circuit, and the terminator judging circuit 70 senses depending on the connected terminator 8 when a test voltage is applied to the sensor line based on the terminator check pulse from the CPU 68. The voltage between the power lines is read to determine the state of the terminator 8. At this time, the test cable 10 of FIG. 1 is connected to the terminals 71 and 72 of the terminator jack, and the terminator test is performed as shown in FIG.

Reference numeral 73 is a transmission signal and response signal detection circuit, which detects the transmission signal from the CPU 68 and detects the connection terminal 7.
4,75 to the sensor body 12,
The response signal from the CPU is detected and sent to the CPU 68. That is, the transmission signal and response signal detection circuit 73 sends an address read command signal to the sensor body 12 to receive address information, and also sends an address write command signal to the sensor body 12. , Receives new address information, sends an A / D conversion command to the sensor body 12, and receives an analog value.

The printer 52 receives the print command from the CPU 68 and prints the address information on the sticker 54 attached to the sticker paper 53. Next, the operation will be described with reference to the flowchart of FIG. First, in step S1, the AC adapter 61 is plugged into an AC100V power source, and the power switch 6
Turn on 5. When using the built-in battery 62, pull out the AC adapter 61 to remove the power switch 65.
Turn on. As a result, in step S2, all the display units 6
7 lights up for a predetermined time. This enables self-diagnosis.

Next, when writing the address information, the slide switch 37 is switched to the address side in step S3, and the write key 39 is turned on in step S4. Next, in step S5, the write address information is input with the ten keys 42. At this time, the segment display section 44 blinks. Next, in step S6, the CPU 68 senses the address response request signal through the transmission signal and response signal detection circuit 73 and the connection terminals 74 and 75 in order to know the current address with respect to the connected sensor body 12. It is sent to the container 7, and it is determined in step S7 whether or not there is a normal response.

When the current address is responded from the connected sensor body 12, the process proceeds to step S8. Then, in step S8 for the connected sensor body 12, a write command signal is sent to the CPU 68, and a transmission signal and response signal detection circuit 7
3. The data is transmitted to the sensor 7 via the connection terminals 74 and 75, and the new address is written in the non-volatile memory 26 of the sensor body 12. In the case of the DIP switch sensor, since the command confirmation signal of S9 does not respond to the write command signal, S14
Display the error with. Next, in step S10, the address search is performed, and when there is a response of the new address, the address function is lit and displayed on the segment display section 44 in step S12. The address is searched, and the process returns to step S8 for a retry in step S11. If the new address cannot be rewritten even after the retry, an error message is displayed in step S14.

When a large number of sensors are set together and the address information is set by serial numbers, the +1 key 43 is pressed at the time of inputting the ten keys 42 in step S5. As a result, the input work is omitted. When the address information is lit and displayed in step S12, the address information is printed by the printer 52 in step S13. The output of the printer 52 is, as shown in FIG.
Address information is printed on a plurality of stickers 54 attached on the top. Therefore, the seal 54 is peeled off and the address information is printed on the back surface of the sensor body 12 or the like.
Can be pasted, and transcription errors are eliminated.

As described above, since the plus 1 key 42 is provided so that a large number of sensors can be collectively set and addresses can be set serially, the input operation of the ten key 41 can be omitted each time. Many address settings can be made in time. Further, since it has a built-in battery 62 and is of a handy type, it is convenient to carry and can be used on site. Also, since the new address information can be read after setting the new address information, the set address information can be confirmed.

If writing / reading of address information or measurement of an analog value fails, an error message is displayed and the clear key 43 clears the error message. Next, the sensor body 1
When the address information written in the nonvolatile memory 26 of No. 2 is read and confirmed, the slide switch 37 is switched to the address side in step S3 and step S4.
And press the test key 38. As a result, in step S17, the CPU 68 sends a read command signal of address information to the sensor 7 via the transmission signal and response signal detection circuit 73, and determines in step S18 whether or not there is a normal address response.

When there is a normal address response, the CPU 68 displays the address information on the segment display section 44 in step S19, and when there is no normal address response, an error display is displayed on the segment display section 44 in step S14. When an error is displayed, the clear key 43 is pressed in step S15, and the display is cleared in step S16. When the test key 38 is pressed, the process returns to step S17,
When the address search is performed and the clear key 43 is pressed, the address display on the segment display unit 44 is erased, and if nothing is done for one minute, the display on the segment display unit 44 is automatically erased.

Next, when the sensor main body is tested, the slide switch 37 is switched to the analog side in step S3, the sensor main body 12 is set in the connection portion 31, and the test key 38 is pressed in step S20. As a result, the CPU 68 transmits the A / D conversion command to the sensor main body 12 via the transmission signal and response signal detection circuit 73 in step S21, and issues an analog value response request by polling in step S22.

Next, in step S23, the CPU 68 receives the response signal from the sensor body 12 via the transmission signal and response signal detection circuit 73, and determines whether it is a normal response or not. If the response is normal, the analog value is displayed on the segment display unit 44 in step S24. If the sensor body 12 is abnormal, an error display is displayed on the segment display unit 44 in step S14. In case of error display,
In step S15, press the clear key 43
Clear the display at 16.

The measurement of the analog value of the sensor body 12 is 5
It is performed for 2 seconds, and if you want to extend the measurement, +1 within 5 seconds
Press the key 41 to extend for 1 minute. When nothing is pressed, the analog value display on the segment display section 44 is automatically turned off after 1 minute. Next, when performing a terminator test, the test cable 10 is connected to the terminator 8, and step S3 is performed.
The slide switch 37 is switched to the terminator side with. Next, in step S25, the CPU 68 causes the slide switch 3
When the terminator test signal is received from 7, the terminator check pulse is output to the terminator 8 through the terminator determination circuit 70 at a cycle of 5 seconds. It is the built-in battery 6 that tests every 5 seconds.
This is to reduce the consumption of 2 as much as possible.

Next, in step S5, the terminator determination circuit 70 is used.
Supplies a terminator check pulse that exceeds the Zener voltage of the terminator 8, determines the presence or absence of the terminator 8 by the clip voltage, and determines the number of terminators 8 and the presence or absence of connection of a resistor by the circuit current. Specifically, as shown in FIG. 7 (A), when one terminator 8 is connected, the terminator determination circuit 70 determines that the terminator is normal and sends a normality determination result to the CPU 68. In S6, the CPU 68 turns on the OK lamp 47.

Further, as shown in FIG. 7B, when the check pulse voltage is not clipped and the current does not flow,
It is determined that the terminator 8 does not exist, and in step S7, the NG1 lamp 48
Lights up. Further, as shown in FIG. 7C, when the current is clipped normally or the current is large, it is determined that two or more terminators 8 and 8A are connected, and the NG2 lamp 49 is turned on in step S7. Further, as shown in FIG. 7 (D), when there is a large amount of current without being clipped, it is determined that the terminator 8 is not present and the resistor 74 is connected, and N is determined in step S7.
The G3 lamp 50 is turned on. On the other hand, as shown in FIG. 7 (E), although it is clipped, when the current is higher, it is determined that the terminator 8 and the resistor 74 are connected, and the NG4 lamp 51 is turned on in step S7. .

Incidentally, the above-mentioned embodiment uses the address setting function,
The case where all the sensor test functions and the terminator test functions are provided has been described as an example, but either the sensor test function or the terminator test function may be provided for the address setting function. .

[0052]

As described above, according to the present invention, the address can be set in a short time, and since it is a handy type, it is convenient to carry. In addition, after setting a new address, it is possible to read it to check if there is any error, and to retry when writing fails. Also, the transfer error of the address information is eliminated. Further, it is possible to perform a test of the sensor body and a test of the terminator.

[Brief description of drawings]

FIG. 1 is an explanatory view showing an embodiment of an address setting device of the present invention.

FIG. 2 is a block diagram showing a circuit configuration of a sensor.

FIG. 3 is an explanatory diagram of paper used in the printer of FIG.

FIG. 4 is an explanatory diagram showing a state of a terminator test.

5 is a circuit block diagram of the address setter of FIG.

FIG. 6 is a flowchart showing the processing operation of the present invention.

FIG. 7 is an explanatory diagram showing a state of a terminator to be tested.

[Explanation of symbols]

 1: Receiver 8: Terminator 9: Address setting device 12: Sensor body 21: CPU 26: Non-volatile memory 31: Connection part 34: Power switch 37: Slide switch 38: Test key 39: Write key 41: Numeric key 42 : +1 key (plus 1 key) 43: Clear key 44: Segment display 47: OK light 48-51: NG1-NG4 light 52: Printer 53: Sticker paper 54: Sticker 61: AC adapter 62: Built-in battery 67: Display Unit 68A: Address write unit 68B: Address read unit 68C: Test signal output unit 68D: Sensor test unit 70: Terminator determination circuit

Claims (9)

[Claims] 1. A sensor connection section for connecting a sensor body having a memory for storing address information, an address input section for inputting address information of the sensor body, and a display section for displaying address information. An address setting unit for writing the address information input by the address input unit into a memory of the sensor body, the address setting unit. 2. The address setter according to claim 1, wherein
The address input unit comprises a numeric keypad for inputting a number and a number of address information, and a plus 1 key for increasing the address number and a number input by the numeric keypad by one. 3. The address setter according to claim 1, wherein
The printer further comprises: a printer for printing out the address information; and a printer control unit for printing the address information on the printer when the address writing unit normally writes the address information into the memory of the sensor body. Is an address setter characterized in that address information is printed on a sheet having a separable sticker, and the printed adhesive sticker is peeled off so that it can be attached to the sensor body. 4. The address setter according to claim 1, wherein
Further, a test key for instructing confirmation of the address information written in the memory of the sensor body, and an address for reading the address information from the memory of the sensor body based on the operation of the test key and displaying it on the display. An address setting device comprising: a reading unit. 5. The address setter according to claim 1, wherein
Furthermore, a mode changeover switch for changing over from the address setting mode to the sensor test mode, and when the mode is changed over to the sensor test mode, the sensor body is requested to send detection information, An address setting device, comprising: a sensor testing unit for displaying the sent detection information on the display device. 6. The address setter according to claim 5,
The sensor body has an analog sensor circuit that receives an A / D conversion command and sends an analog detection value, and the sensor test unit is configured to switch the mode changeover switch to a sensor test mode. An address setter which sends an A / D conversion command to the sensor body. 7. The address setter according to claim 1, wherein
Furthermore, a test cable that can be connected to the terminator connected to the sensor line, a mode changeover switch that switches the address setting mode to the terminator test mode, and a state in which the test cable is connected to the terminator of the sensor line. At the time of switching the mode changeover switch to the terminator test mode, a terminator determination unit that determines the state of the terminator by reading the line voltage in a state in which a prescribed test voltage is applied to the test cable, An address setter characterized by being provided with. 8. The address setter according to claim 7,
The address setting device, wherein the terminator determination unit determines and displays a normal state based on the line voltage and an abnormal state such as unconnected or incorrect connection of the terminator. 9. A sensor connection part for connecting a sensor body having a memory for storing address information, an address input part for inputting address information of the sensor body, and a display part for displaying address information. An address writing unit that writes the address information input by the address input unit into the memory of the sensor body, a mode changeover switch for changing over from the address setting mode to the sensor test mode or the terminator test mode, and the mode changeover switch. When switching to the sensor test mode, request the sensor body to send detection information and display the detection information sent from the sensor body on the display unit; With a test cable connectable to the connected terminator, and with the test cable connected to the terminator of the sensor line, press the mode selector switch. And a terminator determination unit for determining the state of the terminator by reading the line voltage and / or the line current when a specified test voltage is applied to the test cable when switching to the terminator test mode. An address setter characterized in that