Siemens SINAMICS G180 - Connection for Optional External Display with RS 485

Operation
8.4 Controlling the external connections of the inverter
Installation and Operating Instructions SINAMICS G180
Operating Instructions, 02/2019, 4BS0751-007
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If you would like to use the software "IMS" to change the inverter parameters, the parameter
"P-INTERFACE/Para-Source" must be set to "Global" or "RS232". "Global" is the default
setting.
● Using the "IMS" software, configure which COM port the cable on the PC will be
connected to.
– The default setting is COM1.
● Select the configuration under "Options/Drivers/RS232-485-Driver".
8.4.9
Connection for optional external display with RS 485
You have the option of connecting an external display at -X51 or at -X26. The connection
assignment for an external display with RS 485 is shown in the following diagrams.
Figure 8-23 External display connected at -X51
In order to be able to issue commands via an external display connected at -X51 to the
inverter, set the corresponding command source in the parameter assignment to "RS 485".
Figure 8-24 External display connected at -X26
The -X26 interface is only suitable for an external display, for instance installed in the cabinet
door.
In order to be able to issue commands via an external display connected at -X26 to the
inverter, set the corresponding command source in the parameter assignment to "intern".