GE Industrial Solutions WattStation Pedestal EVSE Charger MODBUS Register Mapping Guide - Manual (Page 15)

WattStation TM EV Charger MODBUS Register Guide
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Register
Data Module
Information
Registers
Version
0x1000 EVSE MODBUS Data
Module Information
Register
High byte ---- main
version.
Low byte ---- minor
version.
The current version of
EVSE MODBUS Data
Module Information
Register is 1.0.
Offset+2 3 MODBUS
Register
Map Version
>=
0x1000
Indicate the version of
EVSE MODBUS Register
Map
High byte ---- main
version.
Low byte ---- minor
version.
The current version of
EVSE MODBUS Register
Map is 1.0.
R
Offset+3 4 Number of
MODBUS
Register
Data
Modules
1-65535 The number of data
modules defined in the
current version of EVSE
MODBUS Register Map,
including this data
module.
R
Offset+4 5 Data Module
1 ID
Indicate the ID of Data
Module 1.
R
Offset+5 6 Data Module
1 Offset
0x0000-
0xFFFF
Indicate the Address
offset of Data Module 1.
R
Offset+6 7 Data Module
1 Length
Indicate the number of
MODBUS Registers in the
data module 1.
R
… … … … … …
Offset+2+3×N 2+3×N Data Module
N ID
Indicate the ID of Data
Module N.
R
Offset+3+3×N 3+3×N Data Module
N Offset
0x0000-
0xFFFF
Indicate the Address
offset of Data Module N.
R
Offset+4+3×N 4+3×N Data Module
N Length
Indicate the number of
MODBUS Registers in the
data module N.
R
EVSE MODBUS Register Data Module Information Registers
Table - 4.1