2.1.7 Modbus Configuration Constants

Name

Value

Description

MAX_MODBUS_BURST_SIZE

32

Maximum number of Modbus registers processed in a single burst.

MAX_MODBUS_SLAVE_DEVICES

5

Maximum number of Modbus slave devices supported.

MAX_MODBUS_REGISTER_PER_DEVICE

50

Maximum number of registers that can be configured per Modbus slave device.

MAX_MODBUS_SLAVE_TOTAL_GPR

128

Maximum total number of global process registers across all Modbus slaves.