General Ethernet Network Connection Illustration; Modbus Communications Setup; Modbus Rtu Connection (Commercial Units Only) - Siemens VersiCharge AC Installation And Operation Manual

VersiCharge™ AC Installation and Operations Manual

3.6 General Ethernet Network Connection Illustration

EV Cloud Service / Building Management
Control System
Figure 13. General Ethernet network connection illustration

3.7 Modbus Communications Setup

Using the Modbus RTU protocol. VersiCharge chargers can act as Modbus child devices, making any real-time data available
through the Modbus RTU protocol. Modbus parent devices connected to the charger can access (read) this data or write data to the
charger's registers, initiating control actions.

3.7.1 Modbus RTU Connection (Commercial Units Only)

Figure 14. Multi-Use/Modbus connector
NOTE: Push the RS-485 wire through the rubberized cable gland and then terminate the wires into the multi-use
connector terminal block. This gland will not self-seal if the connector is pushed through the rubberized cable
gland and the NEMA 4 rating will be lost.
1. Push the external Modbus RTU cable through the rubberized cable gland at the back of the charger (this will self-seal).
2. Attach the external Modbus cable wires to the internal (supplied) multi-use connector.
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VersiCharge Parent Charger