JP2964956B2 - Cable misconnection detection display device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the detection of erroneous connection of a cable, and more particularly to the detection of erroneous connection of a cable when a device having a plurality of data transmission circuits is connected to a data reception circuit using a cable. The present invention relates to a method for displaying a cable misconnection to be displayed and a detection and display device for the method.

[0002]

2. Description of the Related Art FIG. 2 shows an example of a conventional cable misconnection detection display system. FIG. transmission unit to be connected to j8. j is the receiving unit 13. It is an example shown about the case where it is connected to i. In FIG. j cable identifier storage unit 11. j, the cable identifier is inserted into the insertion part 1
0. j via cable12. Inserted in i. 13. Receiving section of receiving apparatus 1 13. Cable identifier separation unit from signal at i The reception cable identifiers separated by i are collected by the reception cable identifier collection unit 5 of the control unit 2. Also,
14. Cable identifier storage unit determined for each cable of the receiving device The cable identifier collecting unit 6 of the control unit 2 collects the cable identifier of i.

Here, the receiving cable identifier collecting section 5 and the receiving section 13 in the cable identifier collecting section 6. i. The values collected from i.
i. Indicator lamp provided on i. i is lit to indicate that an erroneous connection has occurred.

[0004] If the cable is incorrectly connected, the receiving unit 13. i and receiving unit 13. m, if there are two lamps, each indicator lamp 17. i and indicator lamp 17. m lights up simultaneously.

[0005]

In this conventional system,
If the cable identifiers do not match, that is, if the cable is erroneously connected at a plurality of locations, the lamp is simply turned on at the erroneously connected portion. For this reason, a plurality of lamps are turned on at the same time, and it is impossible to determine which cable is incorrectly connected to which cable based on the display of the lamp.

For this reason, when a plurality of erroneous connections occur, there is a disadvantage that a large number of man-hours are required for normal connection.

[0007]

[0008]

[0009]

According to another aspect of the present invention, there is provided an apparatus that includes a plurality of transmitting apparatuses and a receiving apparatus having a receiving unit corresponding to the transmitting apparatuses, and a cable transmitted from the transmitting apparatus via a cable. A receiving cable identifier collection unit for holding an identifier, a comparison control unit for comparing a cable identifier transmitted from the transmitting device and a receiving unit of a receiving device to which the cable is connected, and outputting both cable identifiers when the two do not match; A memory for storing both cable identifiers output from the comparison control unit at predetermined address positions, and a display control unit for reading the contents of the memory in a predetermined order and displaying the result.

[0010]

Embodiments of the present invention will now be described with reference to the drawings.

FIG. 1 is a diagram showing a configuration example of the present invention.

FIG. 1 shows m transmitting apparatuses 8, m receiving sections 13 corresponding thereto, and receiving apparatus 1 having control section 2. The transmitting device 8 and the receiving unit 13 are connected by a cable 12, respectively.

The transmitting device 8 includes a signal processing unit 9, a cable identifier storage unit 11, and a cable identifier insertion unit 1 for inserting a cable identifier set in the storage unit 11 into a signal.
It has 0.

The receiving unit 13 includes a cable identifier separating unit 14 for separating a received cable identifier 11 from a signal received through a cable, a cable identifier storage unit 15 for holding a cable identifier to be received in advance, It has a signal processing unit 16 for processing a received signal and a display lamp 17 which is turned on / off under the control of a lamp display control unit 7 in the control unit 2.

In the control unit 2 of the receiving device 1,
First, a reception cable identifier collection unit 5 that holds a reception cable identifier input from the same cable identifier separation unit 14 as before, and a cable identifier to be originally received from the cable identifier storage unit 15 of the reception unit 13 are input and held. A cable identifier collection unit 6 is provided.

The control unit 2 further includes a memory having addresses equal in number to the number of cables, a reception cable identifier 11 inserted into a signal received from the transmission device 8, and a reception unit 1.
When the cable identifier 15 set in the communication unit 3 is different, the comparison control to write the information of the reception unit 13 to which the reception unit 13 and the reception cable identifier 11 should be connected to the address position indicating the reception unit in the memory 3 A unit 4 and a lamp display control unit for reading information in the order of the address positions of the memory 3 at a certain time period with a speed visible when the lamp is displayed, and turning on and off the display lamp 17 of the receiving unit 13 according to the information. Seven.

In the example of FIG. l and receiver 1
3. 1 is a cable 1 and the transmission device j for the receiving unit 13. i is incorrectly connected and the transmitting device 8. m for the receiving unit 13. An example in which k is connected is shown.

If the cable is correctly connected, the receiving unit 13. 1 cable identifier separation unit 14. 10. cable identifiers separated by l l and the receiving unit 13. l cable identifier 1 match in the comparison of the comparison control unit 4 and nothing is written in the corresponding address position of the lamp display table 3, so that the lamp display control unit 7 1 indicator lamp 17. 1 does not light.

Transmitter 8. j and the receiving unit 13. i is the cable i, if the connection is incorrectly made, the receiving unit 13.
i cable identifier separation unit 14. i, the transmitting device j
10. Cable identifier j are separated, the comparison controller 4 receives the received cable identifiers 11. j and receiver 1
3. 14. Cable identifier set for i It is determined that i does not match, and the information of the receiving unit i and the receiving unit j is written to the address position i of the memory 3. At this time, the lamp display controller 17
Read the contents of the memory 3 sequentially, but only when the read position becomes the address position i, the display lamp 17. i and indicator lamp 17. j lights up and the display lamp indicates that other address positions are being read. i and indicator lamp 17. j turns off. At the same time, the transmitting device 8. m for the receiving unit 13. k is the cable k, the memory 3 stores the receiving unit k at the address position m.
Display lamp 1 because the information of
7. k and display lamp 17. The indicator lamp 17. i and indicator lamp 17. j.

As described above, according to the present invention, the receiving unit 13. i indicator lamp 17.
i and the receiving unit at the position where the cable is originally mounted 13. j
Indication lamp of 17. j is turned on / off at the same time, and another transmitting device m is another receiving unit 13. k. k display lamp 17. k and the receiver at the position where the cable is originally mounted. m indicator lamp 17. m is the indicator lamp 17. i and indicator lamp 1
7. It can be easily determined by looking at the indication of the lamp which cable with which the cable for turning on and off simultaneously at different timings has become what incorrect cable connection state and display j.

When the receiving unit is not connected to any transmitting device, the comparison control unit 4 writes the cable identifier of only the receiving unit in the address position of the memory 3 indicating the receiving unit. In this case, the lamp display control unit 17 turns on the display lamp of only the receiving unit.

In the present invention, a display panel (LCD, CRT, etc.) or a printer for displaying the contents of the memory 3 and its control unit can be provided in place of the lamp display control unit 7 and each display lamp.

As described above, according to the present invention, the transmitting apparatus and the receiving section which are erroneously connected to each other can be displayed, and the erroneous connection state can be easily grasped and restored.

[0024]

According to the present invention, the identifiers of the transmitting device and the receiving unit which are erroneously connected to each other are both stored in the memory and displayed together, so that even if there are a plurality of erroneously connected portions, it is possible to quickly correct the connection. .

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration example of the present invention.

FIG. 2 is a block diagram showing a conventional example.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 receiving device 2 control unit 3 memory 4 comparison control unit 5 reception cable identifier collection unit 6 cable identifier collection unit 7 lamp display control unit 8 transmission device 9 signal processing unit 10 cable identifier insertion unit 11 cable identifier storage unit 12 cable 13 reception unit 14 Cable identifier separation unit 15 Cable identifier storage unit 16 Signal processing unit 17 Indicator lamp

Claims (5)

(57) [Claims] 1. A plurality of transmitting devices and corresponding to these transmitting devices
A receiving device having a receiving unit,
Receive holding cable identifier sent over the cable
A cable identifier pickup section and a receiving section to which the cable is connected.
The cable identifier of the receiving unit of the transmitting device and the
Compare the received cable identifiers, and if they do not match,
And a comparison control unit for outputting a cable identifier.
Both cable identifiers output from the
A memory to be stored in the memory, and the contents of the memory in a predetermined order.
A display control unit for displaying the reading result.
And a cable misconnection detection display device. 2. A memory for storing a cable identifier.
The dress position is the cable identification of the receiver connected by cable.
2. The cable according to claim 1, wherein the address is an address corresponding to a different child.
Erroneous connection detection display device. 3. A receiving section of a receiving apparatus to which a cable is connected.
Cable identifier that temporarily retains the cable identifier corresponding to
The cable error according to claim 1 or 2, further comprising a slave collection unit.
Connection detection display device. 4. A cable is connected to a receiving section of the receiving apparatus.
If not, the comparison control unit
Output the cable identifier, and the cable identifier is
The method according to claim 1, 2 or 3, wherein the information is stored at a corresponding address.
An incorrect cable connection detection display device according to the description. 5. The display is lit by a lamp corresponding to each receiving unit.
The cable according to claim 1, 2, 3, or 4, which is performed by
Bull connection error detection display device.