Huawei SmartLogger2000 User Manual page 54

SmartLogger2000-(10-C, 11-C)
User Manual
AC Power Cable Connection
Figure 4-14
AC power cables.
Figure 4-14 PLC networking
Issue Draft A (2017-02-15)

Each SmartLogger can connect to a maximum of 200 devices. You are advised to connect less than
30 devices to each RS485 route. Each SmartLogger can connect to a maximum of 150 SUN2000s.

If an EMI is to be connected, connect it at the end of the chain.

Set Build-out Resistor to Enable under Comm. Param. for the SUN2000 at the end of each daisy
chain. For details, see SUN2000 APP User Manual.
 The IP addresses for all devices in the daisy chain should be within the searching segment set in the
SmartLogger and they must differ from each other. Otherwise, the communication would fail
between the devices and the SmartLogger.
 You can perform the Auto Assign Address operation on the built-in WebUI of the SmartLogger. If
an RS485 address conflict is detected for SUN2000s, the SmartLogger automatically reassigns
addresses without the need for local address upgrade for the SUN2000s.

The values of Baud rate for all the devices in each daisy chain should stay consistent with the baud
rate of the SmartLogger.
shows the method for connecting the SmartLogger to multiple SUN2000s over
 If the SmartLogger communicates with the SUN2000 over PLC, ensure that the SUN2000 with PLC
is used.
 If the SmartLogger communicates with the SUN2000 over PLC, one SmartLogger can connect to a
maximum of 80 SUN2000s over the built-in PLC CCO. If the SmartLogger is also connected to an
external PLC CCO over the COM port, one SmartLogger can connect to a maximum of 150
SUN2000s.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
4 Electrical Connection
46