MODBUS
30
8 Modbus
8.1 Introduction
This manual section describes the specific implementation of the Modbus protocol via the
AT Series Battery Charger Communications Module interface (p/n
EJ5037-
##
). The
Modbus protocol was implemented using the
Modicon Modbus Protocol Reference
Guide PI-MBUS-300
, Rev. J.
8.2 Supported Function Codes
Below is the list of supported function codes.
01 - Read Coil Status
02 - Read Input Status
03 - Read Holding Registers
04 - Read Input Registers
05 - Force Single Coil
06 - Preset Single Register
15 - Force Multiple Coils
16 - Preset Multiple Registers