Huawei SmartModule1000A01 Quick Manual page 9

4.6
Connecting the DI Signal Cable
•
The SmartModule can receive DI signals such as remote power grid scheduling commands and
alarms over DI ports. It can only receive passive dry contact signals.
•
It is recommended that the signal transmission distance be less than or equal to 10 m.
4.7
Connecting the Output Power Cable
•
In the grid connection with limited power or audible and visual alarm scenarios, the
SmartModule can drive the coils of the intermediate relay over the 12 V output power port.
•
It is recommended that the transmission distance be less than or equal to 10 m.
Port
DI1
DI2
DI3
DI4
Intermediate relay
8
Description
Can receive passive
dry contact signals.