Huawei SmartLogger1000 User Manual page 61

SmartLogger1000
User Manual
Figure 4-28 Connecting the SmartLogger to the PLC
Procedure
Step 1 Choose a shielded network cable of appropriate length. Crimp an RJ45 connector at one end
and connect it to the RS485 port of the PLC.
Step 2 Connect the other end of the cable to the COM port of the SmartLogger. For details, see
2–Step 4
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Follow-up Procedure
Take the reverse steps to disconnect the SmartLogger from the PLC.
Issue 12 (2019-01-15)
in Procedure in
Connect the RS485+ port of the PLC to the COM+ port of the SmartLogger and connect
the RS485- port of the PLC to the COM- port of the SmartLogger.
The PLC cannot be detected automatically. You need to add this device manually on the
LCD or WebUI. For details about this operation, see
Connecting Devices.
The Huawei PLC supports auto-negotiation of baud rate 9600 bps/115200 bps. If the PLC
networking is used, you are advised to set Baud rate to 115200 bps for the RS485 ports of
the SmartLogger to achieve better communication performance.
Copyright © Huawei Technologies Co., Ltd.
4.3 Connecting the RS485 Signal
4 Electrical Connections
SPD.
6.2.34 Managing Devices
Step
or 7.11.8.1
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