Huawei PLC CCO01A User Manual page 34

PLC CCO01A
User Manual
Procedure
Step 1 Connect a cable to the terminal block, as shown in
Connect RS485+ to COM + port of the SmartLogger1000 and connect RS485- to COM - port
of the SmartLogger1000.
1.
2.
3.
Figure 4-11 Cable connection for the terminal block
Step 2 Connect the RS485 communications cable to the PLC CCO, as shown in
Figure 4-12 Connecting the RS485 communications cable
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Issue 02 (2016-01-10)
Press the white contact plate of the corresponding wiring terminal to flip the metal spring
inside the wiring terminal.
Insert the cord end terminal into the wiring terminal.
Release the white contact plate to fasten the cable.
 The PLC CCO supports only the Modbus RTU protocol.
 Ensure that the RS485 communications cable is securely and reliably connected.
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4 Electrical Connections
Figure 4-11.
Figure 4-12.
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