CN214449500U - SERCOS emission signal intensity tester of shaftless transmission printing machine - Google Patents
SERCOS emission signal intensity tester of shaftless transmission printing machine Download PDFInfo
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- CN214449500U CN214449500U CN202120264088.3U CN202120264088U CN214449500U CN 214449500 U CN214449500 U CN 214449500U CN 202120264088 U CN202120264088 U CN 202120264088U CN 214449500 U CN214449500 U CN 214449500U
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Abstract
The utility model provides a SERCOS emission signal intensity tester of shaftless transmission printing machine, including photosensitive signal receiving unit: receiving a diagnosis signal from the SERCOS optical fiber and outputting an electric signal; a signal conversion unit: receiving the electric signal and outputting an intensity value; a display unit: receiving the intensity value and displaying the signal intensity; the photosensitive signal receiving unit comprises a photosensitive diode, and the photosensitive diode converts the received diagnosis signal into an electric signal and transmits the electric signal to the signal conversion unit; the signal conversion unit comprises a single chip microcomputer, and the single chip microcomputer receives the electric signals and outputs intensity values; the display unit comprises a display, and the display receives the intensity value to digitally display the signal intensity. The optical fiber communication card fault locating method can quickly and accurately locate the fault optical fiber communication card, does not need to replace the optical fiber communication card one by one and then observe, and has short fault processing time.
Description
Technical Field
The utility model belongs to the printing field, concretely relates to SERCOS transmission signal intensity tester of shaftless transmission printing machine.
Background
The motion controller and the driver adopted by the prior shaftless transmission printer are communicated at high speed through SERCOS optical fibers. The SERCOS (serial time communication protocol) is a field bus interface and data exchange protocol for digital servo and transmission system, and can implement real-time data communication between industrial control computer and digital servo system, sensor and programmable controller I/O. After the optical fiber communication card is used for a long time, the optical fiber is damaged, and the optical fiber communication card is aged to cause transmission attenuation. When the optical fiber communication failure detection device is used, the printer can report the optical fiber communication failure frequently, and the reason is caused by that the transmission signal is attenuated to the vicinity of the identification critical point. Because the existing fault diagnosis can not accurately position the fault optical fiber communication card, only the optical fiber communication cards are replaced one by one and then observed, the method has long processing time and much product waste, and the replacement cost of a plurality of board cards is very high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a SERCOS transmission signal intensity tester of shaftless transmission printing machine can fix a position trouble fiber communication card fast accurately, need not change fiber communication card one by one and observes again, and the fault handling time is short.
In order to achieve the above object, the utility model provides a SERCOS emission signal intensity tester of shaftless transmission printing machine, include: photosensitive signal receiving unit: receiving a diagnosis signal from the SERCOS optical fiber and outputting an electric signal; a signal conversion unit: receiving the electric signal and outputting an intensity value; a display unit: receiving the intensity value and displaying the signal intensity; the photosensitive signal receiving unit comprises a photosensitive diode, and the photosensitive diode converts the received diagnosis signal into an electric signal and transmits the electric signal to the signal conversion unit; the signal conversion unit comprises a single chip microcomputer, and the single chip microcomputer receives the electric signals and outputs intensity values; the display unit comprises a display, and the display receives the intensity value to digitally display the signal intensity.
Further, the photosensitive signal receiving unit further comprises a sampling resistor R4.
Further, the device also comprises a setting unit, wherein the setting unit comprises a MENU key, a parameter adjusting key and an ENTER key; the parameter adjustment keys include a parameter + key and a parameter-key.
Furthermore, one end of the sampling resistor R4 is grounded, and the other end is connected with the anode of the photodiode; the cathode of the photosensitive diode is connected with a 5v power supply, and the anode of the photosensitive diode is connected with a pin 37 of the single chip microcomputer.
Furthermore, the type of the photosensitive diode is LXD/GB3-A1DPH, the type of the singlechip is ATMega16, and the type of the display is 1602 liquid crystal display.
Further, the feet 30 to 32 of the single chip microcomputer are sequentially and correspondingly connected with the feet 6 to 4 of the display, and the feet 19 to 26 of the single chip microcomputer are sequentially and correspondingly connected with the feet 7 to 14 of the display.
Furthermore, one end of each MENU key, one end of each parameter adjusting key and one end of each ENTER key are all grounded; the other end of MENU key is connected with pin 9 of single chip, the other end of parameter + key is connected with pin 10 of single chip, the other end of parameter-key is connected with pin 11 of single chip, and the other end of ENTER key is connected with pin 12 of single chip.
The beneficial effects of the utility model reside in that: the optical fiber communication card fault locating method can quickly and accurately locate the fault optical fiber communication card, does not need to replace the optical fiber communication card one by one and then observe, and has short fault processing time. The aging degree of the optical fiber communication card can be evaluated, the aged optical fiber communication card can be replaced in advance, and the fault shutdown is reduced.
Drawings
Fig. 1 is a schematic diagram of a simple structure of the present embodiment.
Fig. 2 is a detailed wiring diagram of the present embodiment.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments more apparent, the present invention is further described in detail below with reference to the accompanying drawings and the embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
An embodiment is substantially as shown in figures 1 and 2, comprising: photosensitive signal receiving unit: receiving a diagnosis signal from the SERCOS optical fiber and outputting an electric signal; a signal conversion unit: receiving the electric signal and outputting an intensity value; a display unit: receiving the intensity value and displaying the signal intensity; the photosensitive signal receiving unit comprises a photosensitive diode, and the photosensitive diode converts the received diagnosis signal into an electric signal and transmits the electric signal to the signal conversion unit; the signal conversion unit comprises a single chip microcomputer, and the single chip microcomputer receives the electric signals and outputs intensity values; the display unit comprises a display, the display receives the intensity value and displays the signal intensity in a digital mode, and the signal intensity is stronger when the number is larger.
The photosensitive signal receiving unit of this embodiment further includes a sampling resistor R4, which has a resistance value of 1K.
The embodiment also comprises a setting unit, wherein the setting unit comprises a MENU key, a parameter adjusting key and an ENTER key; the parameter adjustment keys include a parameter + key and a parameter-key.
In this embodiment, one end of the sampling resistor R4 is grounded, and the other end is connected to the anode of the photodiode; the cathode of the photosensitive diode is connected with a 5v power supply, and the anode of the photosensitive diode is connected with a pin 37 of the single chip microcomputer.
The model of the photodiode is LXD/GB3-A1DPH, the model of the singlechip is ATMega16, and the model of the display is 1602 liquid crystal display.
In this embodiment, the pins 30 to 32 of the single chip are sequentially connected to the pins 6 to 4 of the display, and the pins 19 to 26 of the single chip are sequentially connected to the pins 7 to 14 of the display.
In this embodiment, one end of the MENU key, one end of the parameter adjusting key and one end of the ENTER key are all grounded; the other end of MENU key is connected with pin 9 of single chip, the other end of parameter + key is connected with pin 10 of single chip, the other end of parameter-key is connected with pin 11 of single chip, the other end of ENTER key is connected with pin 12 of single chip, and the other pins of single chip and display are set according to conventional connection.
The SERCOS fiber loop is switched to a P0 state after being disconnected, fixed connection diagnosis signals can be continuously sent at high speed, the signals can be simplified into PWM signals with a certain duty ratio, the PWM signals are transmitted to a light sensitive diode LXD/GB3-A1DPH through optical fibers, the signals are converted into electric signals after being received, the electric signals are sent to a single chip microcomputer for AD conversion, 0 offset removal and software filtering, and an intensity value is obtained, and the intensity value can represent the transmission signal intensity of an optical fiber transmitter and the optical fibers. MENU keys switch MENUs, parameter keys set parameters such as testing time, allowable signal fluctuation range and interruption time, and an ENTER key confirms and stores. The single chip microcomputer adopts AVR MEGA16, and also can adopt single chip microcomputers with high-speed AD of other brands and models. 1602 the liquid crystal display displays the parameters and test data. The test is divided into a one-time test mode and a continuity test mode, after the SERCOS fiber communication fault occurs, the relevant port is tested once, if the fault point is not found, the continuity test is carried out to monitor the continuous stability of the signal for a long time.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (7)
1. A SERCOS emission signal intensity tester of shaftless transmission printing machine, characterized by includes:
photosensitive signal receiving unit: receiving a diagnosis signal from the SERCOS optical fiber and outputting an electric signal;
a signal conversion unit: receiving the electric signal and outputting an intensity value;
a display unit: receiving the intensity value and displaying the signal intensity;
the photosensitive signal receiving unit comprises a photosensitive diode, and the photosensitive diode converts the received diagnosis signal into an electric signal and transmits the electric signal to the signal conversion unit;
the signal conversion unit comprises a single chip microcomputer, and the single chip microcomputer receives the electric signals and outputs intensity values;
the display unit comprises a display, and the display receives the intensity value to digitally display the signal intensity.
2. The SERCOS emission signal strength tester of a shaftless transmission printer as claimed in claim 1, wherein: the photosensitive signal receiving unit further includes a sampling resistor R4.
3. The SERCOS emission signal strength tester of a shaftless transmission printer as claimed in claim 1, wherein: the device also comprises a setting unit, wherein the setting unit comprises a MENU key, a parameter adjusting key and an ENTER key; the parameter adjustment keys include a parameter + key and a parameter-key.
4. The SERCOS emission signal strength tester of a shaftless transmission printer as claimed in claim 2, wherein: one end of the sampling resistor R4 is grounded, and the other end is connected with the anode of the photodiode; the cathode of the photosensitive diode is connected with a 5v power supply, and the anode of the photosensitive diode is connected with a pin 37 of the single chip microcomputer.
5. The SERCOS emission signal strength tester of a shaftless transmission printer as claimed in claim 1, wherein: the model of the photosensitive diode is LXD/GB3-A1DPH, the model of the singlechip is ATMega16, and the model of the display is 1602 liquid crystal display.
6. The SERCOS emission signal strength tester of a shaftless transmission printer according to claim 5, wherein: the feet 30 to 32 of the single chip microcomputer are sequentially and correspondingly connected with the feet 6 to 4 of the display, and the feet 19 to 26 of the single chip microcomputer are sequentially and correspondingly connected with the feet 7 to 14 of the display.
7. The SERCOS emission signal strength tester of a shaftless transmission printer according to claim 3, wherein: one end of each MENU key, one end of each parameter adjusting key and one end of each ENTER key are all grounded; the other end of MENU key is connected with pin 9 of single chip, the other end of parameter + key is connected with pin 10 of single chip, the other end of parameter-key is connected with pin 11 of single chip, and the other end of ENTER key is connected with pin 12 of single chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120264088.3U CN214449500U (en) | 2021-01-30 | 2021-01-30 | SERCOS emission signal intensity tester of shaftless transmission printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120264088.3U CN214449500U (en) | 2021-01-30 | 2021-01-30 | SERCOS emission signal intensity tester of shaftless transmission printing machine |
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| Publication Number | Publication Date |
|---|---|
| CN214449500U true CN214449500U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120264088.3U Active CN214449500U (en) | 2021-01-30 | 2021-01-30 | SERCOS emission signal intensity tester of shaftless transmission printing machine |
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| CN (1) | CN214449500U (en) |
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2021
- 2021-01-30 CN CN202120264088.3U patent/CN214449500U/en active Active
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