PTZ failure may have the following aspects:
1, can not control the PTZ
2, can not control the decoder
3, some functions can not be achieved
4, the code converter signal indicator does not work
Analysis: The code turn lights do not flash software settings (lights do not flash, mainly the code converter is not working, first set up from the software to solve this problem)
1. Decoder settings in the software (decoder protocol, com port, baud rate, parity, data bits, stop bits)
2, replace a com mouth (check com port is damaged),
3, hardware, such as the above settings, still can not be used normally, open the 9-pin to 25-pin converter interface. Check whether the wiring is 2-2, 3-3, 5-7. If it is correct, check if the power supply of the code converter is normal (available with a multimeter for voltage and current testing (9V, 500mA)). No problem can be determined by the code converter. Damaged.
Unable to control the decoder
There is no relay noise in the decoder.
1. Check if the decoder is powered.
2. Check if the code converter has pulled out the output 485 signal.
3, check the decoder protocol is set correctly
4. Check whether the baud rate setting is consistent with the decoder (check if the address code setting is consistent with the selected camera (detailed address code dialing table, see the decoder manual)
5, check the decoder and the code converter wiring is wrong (1-485a, 2-b; some decoder is 1-485b, 2-a)
6. Check whether the decoder works normally (when the old decoder powers off after a minute, if there is a self-test sound; when the software controls the PTZ, there will be voltage changes between the ports of the decoder, up, down, auto, etc., and the ptcom port. Depending on the decoder, the change may be based on the 24vor220v decoder. Some decoders have a change in the signal on these ports. If so, the decoder works normally. Otherwise, the decoder is faulty.
7. Check if the fuse of the decoder has been burned out.
Unable to control the PTZ
1. Check if the sixth item above is normal.
2. Whether the output voltage of the 24v or 220v power supply of the decoder is normal.
3. Power the up, down, and ptcom lines of the PTZ directly to check if the PTZ can work normally.
4, check the power supply interface is connected wrong.
5, check whether the circuit is connected to the wrong (the old decoder for the up, down and other lines and ptcom direct power supply to the PTZ, the line and the camera and PTZ line directly connected to it; some decoders for the independent power supply interface.
Some functions of PTZ control cannot be used:
1) The interface cannot be operated (no click or click has no response);
1, according to the above steps to check the code transfer;
2, install the corresponding PTZ control patch;
3, notify the supplier;
2) Click on the time code to turn on the light or there is a relay inside the decoder, but some functions cannot be controlled;
Check whether the wiring of the function part that can not be controlled by the prosecutor is correct, whether the equipment such as the gimbal and the lens are in good condition, whether the voltage of the decoder function port is correct, and whether the switch output is normal;
3) The pan/tilt moves abnormally during control;
If there is a situation where the rotation cannot be stopped, first test the port separately (power it directly to the port and perform control). If it is normal, check whether the corresponding port of the decoder is working properly.
4) When you open the software, the video will generate a mosaic.
1, can not control the PTZ
2, can not control the decoder
3, some functions can not be achieved
4, the code converter signal indicator does not work
Analysis: The code turn lights do not flash software settings (lights do not flash, mainly the code converter is not working, first set up from the software to solve this problem)
1. Decoder settings in the software (decoder protocol, com port, baud rate, parity, data bits, stop bits)
2, replace a com mouth (check com port is damaged),
3, hardware, such as the above settings, still can not be used normally, open the 9-pin to 25-pin converter interface. Check whether the wiring is 2-2, 3-3, 5-7. If it is correct, check if the power supply of the code converter is normal (available with a multimeter for voltage and current testing (9V, 500mA)). No problem can be determined by the code converter. Damaged.
Unable to control the decoder
There is no relay noise in the decoder.
1. Check if the decoder is powered.
2. Check if the code converter has pulled out the output 485 signal.
3, check the decoder protocol is set correctly
4. Check whether the baud rate setting is consistent with the decoder (check if the address code setting is consistent with the selected camera (detailed address code dialing table, see the decoder manual)
5, check the decoder and the code converter wiring is wrong (1-485a, 2-b; some decoder is 1-485b, 2-a)
6. Check whether the decoder works normally (when the old decoder powers off after a minute, if there is a self-test sound; when the software controls the PTZ, there will be voltage changes between the ports of the decoder, up, down, auto, etc., and the ptcom port. Depending on the decoder, the change may be based on the 24vor220v decoder. Some decoders have a change in the signal on these ports. If so, the decoder works normally. Otherwise, the decoder is faulty.
7. Check if the fuse of the decoder has been burned out.
Unable to control the PTZ
1. Check if the sixth item above is normal.
2. Whether the output voltage of the 24v or 220v power supply of the decoder is normal.
3. Power the up, down, and ptcom lines of the PTZ directly to check if the PTZ can work normally.
4, check the power supply interface is connected wrong.
5, check whether the circuit is connected to the wrong (the old decoder for the up, down and other lines and ptcom direct power supply to the PTZ, the line and the camera and PTZ line directly connected to it; some decoders for the independent power supply interface.
Some functions of PTZ control cannot be used:
1) The interface cannot be operated (no click or click has no response);
1, according to the above steps to check the code transfer;
2, install the corresponding PTZ control patch;
3, notify the supplier;
2) Click on the time code to turn on the light or there is a relay inside the decoder, but some functions cannot be controlled;
Check whether the wiring of the function part that can not be controlled by the prosecutor is correct, whether the equipment such as the gimbal and the lens are in good condition, whether the voltage of the decoder function port is correct, and whether the switch output is normal;
3) The pan/tilt moves abnormally during control;
If there is a situation where the rotation cannot be stopped, first test the port separately (power it directly to the port and perform control). If it is normal, check whether the corresponding port of the decoder is working properly.
4) When you open the software, the video will generate a mosaic.
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