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RS485 common faults solution
Phenomenon
Speed
dome
can
take
self-checking, but can't be
controlled
Speed
dome
can't
controlled well
Possible reason
1、Host machine, speed dome's address
and baud rate is not matching
2、RS485's+、- pole is reversed
3、Cable loosen
4、RS485 is damaged
1、RS485's contact is poor
2、One RS485 is damaged
be
3、 The distance between host machine and
speed dome is too far
4、Too many speed domes
Picture 4
Solution
1、Change the host machine, speed dome's address
and baud rate to be the same
2、Conversion the +、- pole
3、Fasten the cable
4、Use a new RS485 cable
1、Reconnect the RS485 cable
2、Use a new RS485 cable
3、Install terminal resistance
4、Install RS485 divider
41
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