Modbus description
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9 Modbus description
You can access the device registers via Modbus/RTU. Modbus/RTU can be used to addi-
tionally configure the device, request status information, and access and control the
charging process. The device operates as a Modbus slave. The slave address is set via
S2/DIP 2 – 6. The baud rate (9600 or 19200) for communication is set via S2/DIP 1. See
Table “Configuration switches S1 + S2” on page 13.
9.1 Modbus register types
Modbus/RTU supports three register types which are used as follows.
Table 9-1 Modbus registers
Modbus register type Value Access
Input 16 bits Read
Holding 16 bits Read/write
Coils 1 bit Read/write