Figure 7.2 RS485 pin on inverter                        Figure 7.3 Communication connector 
Connection steps:   
(1) Connect the communication connector configured for the inverter to the RS485 terminal of 
the inverter, as shown in Fig 7.4; 
(2) According to Table 7-1, connect the communication connector pinout and the user's 
device, make sure the connection is correct. 
Figure 7.4 Communication cable connection 
(3) Please download the monitoring software “iMars WinExpert” and its operation instruction 
on website. 
7.2 Optional communication 
The optional communication modes include Ethernet, WiFi, GPRS and ENET,which also need 
corresponding  communication  parts  and  components  as  shown  in  Table  7-2.All  operation 
parameters of the inverter are output from port “RS485-M” to the communication devices, finally 
transmitted to the monitoring system as standard Ethernet and WIFI signal. See Figure 7.1.