GE Industrial Solutions Record Plus FG600 SMR2 Modbus - Manual (Page 9)

SMR2 Modbus User Manual
2
Register Map
While modbus communication with Target
Communication Accessory module, all the registers are
read only registers. None of them can be written. But
while Modbus communication with Test Kit, most of
the Fixed value & Setpoint registers can be read as well
as written.
Fixed value registers start at 0000 and are read by
Function Code 03.
Actual value registers start at 1000 and are read by
Function Code 04.
Event registers start at 2000 and are read by Function
Code 04.
Setpoint registers start at 3000 and are read by Function
Code 03.
Writing to the Coil registers, implement supervisory
control through remote commands
All registers composed of 16 bit integers, values less
than 256 stored in lower byte
Fixed Value Registers
Fixed value registers address starts at 0000, read by
Function Code 03. Written with Function code 06/16
(decimal)
The data stored in these registers are the data stored
during trip unit optioning.
Register
address
Contents Range Type R/W Format
Normal
mode –RO
0000 Product Id 0-65535
Test mode
--- RW
Unsigned Int
Normal
mode -- RO
0001 ETU Serial Number
high
0-65535
Test mode --
- RW
Unsigned Int
Normal
mode --- RO 0002 ETU Serial Number
low
0-65535
Test mode
--- RW
Unsigned Int
Normal
mode --- RO
0003 ETU Date Code
high
0-9999
Test mode
--- RW
Unsigned Int
Normal
mode --- RO
0004 ETU Date Code low 0-9999
Test mode
--- RW
Unsigned Int
Normal
mode --- RO
0005 Frame Size 1 to 3
Test mode
--- RW
Unsigned Int
1 G400
2 G630
3 K
0006
Amp Rating 1 to 13 Normal
mode--- RO
Unsigned Int
1 7/7
2 25/25
3 60/63
4 125/125