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Operation
8.4 Controlling the external connections of the inverter
NOTICE
Damage to the converter electronics or the PC
The pins of socket -X51 are assigned signals other than those shown here. Do not use a
standard cable that is completely assigned as otherwise the converter electronics or the PC
could be damaged. Only use cables where only the required pins are assigned.
Further information about connecting a PC and converter, etc. can be found in the help in the
software "IMS".
• Connect the cable shield at both sides on the Sub-D housing.
If you want to use the "IMS" software to change the converter parameters, parameter P-
INTERFACE:Para-source must be set to Global or RS485. Global is the default setting.
• Using the "IMS" software, configure at 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 8-22
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".
104
External display connected at -X51
Installation and Operating Instructions for LOHER DYNAVERT I Series 7
Operating Instructions, 10/2022, 4BS0745-002
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