Coolmay C200H Series, Руководство пользователя

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C200H AC Servo Manual
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4.6.3 RS485 Communication Connection Introduction
1.Connection With RS485 of A PLC
A connection cable between the driver and the PLC is as follows:
A B
Pic 4.10 The Communication Cable Of Servo Drive With PLC
Table 4-2 Connection Between Servo Drive And PLC Communication Cable
Drive RJ45( A end)
PLC （ B end ）
Signal Name Pin No. Signal Name Pin No.
RS485+ 5 RS485+ 5
RS485- 4 RS485- 4
GND 7 GND 7
PE （ shielded layer ） Cover PE （ shielded layer ） Cover
2. RS485 Communication Parallel Connection Of Multi Drives
When using 485 communication network, the parallel connection of multi drives is as
follows:
A B

It can connect PC or the upper controllers through a special serial port cable,
and it is forbidden to plug with electric.

It is recommended to use twisted pair or shielded wire, the length of the wire
is less than 2 meters.

Multi-drives series connected, CN3 connect with last CN4, and CN4 connect
with next CN3.

When using RS485 bus communication and RS485 ground signal of the upper
controller is connected to the earth (PE), please connect PE terminal of the upper
controller with the drive terminal properly. In this case, it is forbidden to connect
RS485 ground signal of the upper controller with the drive RS485 ground signal
(GND), otherwise the driver may be damaged.