Huawei SmartLogger2000 User Manual page 75

SmartLogger2000
User Manual
The SmartLogger can access a PID module that supports standard Modbus-RTU. If the model
of the PID module connecting to the SmartLogger is PID01, one SmartLogger can connect to
one PID module. If the model of such a PID module is SmartPID2000, one SmartLogger can
connect to two PID modules.
For the definition of the RS485 communications cable for the PID module, see the delivered
operation guide.
The SmartLogger provides six RS485 communications ports. For the port descriptions, see
4.5.2 Connecting the SUN2000 over
Figure 4-22
Figure 4-22 Connecting the SmartLogger to a PID module
Procedure
Step 1 Connect one end of the cable delivered with the PID module to the RS485 port of the PID
module.
Step 2 Connect the other end of the cable to the COM port of the SmartLogger. For details, see
Connecting Cables to the Terminal Block on the COM
When connecting cables, ensure that the brown cable (RS485A) and black cable (RS485B) of
the PID module respectively connect to the COM+ and COM– ports on the SmartLogger.
Step 3 The Baud rate settings for the PID module and SmartLogger must be the same.
Issue 04 (2018-04-10)
shows how to connect the SmartLogger to the PID module.
This section describes how to connect the SmartLogger to the PID01 module.
 The baud rates supported by the PID module include 4800 bit/s, 9600 bit/s, 19,200 bit/s, and 115,200
bit/s.
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RS485.
Port.
4 Electrical Connection
4.3
65