Rievtech ELC Series - Page 330

EN
Programmable Relay ● User Manual for ELC, EXM and PR Series 330 2020 v6.0 ● © Rievtech Co.,
Ltd. ● www.rievtech.com
10. Modbus Function Codes and Register Addresses
xLogic Supported Modbus Function
Codes
The following table contains the Modbus function codes
supported by xLogic.
Order
code
(Hex)
Function Description
Length of
the
message
Remarks
1
Read one group coil
status (00000~0XXXX)
--
Read Coil
Status
(Output
relay)
02
Fetch one group data of
the status of switch input
(10000~1XXXX)
--
Read input
Status (input
relay)
03
Read data of multi-
holding register
(40000~4XXXX)
--
Read
Holding
Registers
(Output
register)
05
Force the switch status of
single coil
(00000~0XXXX)
1
Force Single
Coil
06
Pre-set the data of the
single register
(40000~4XXXX)
80
Set single
output
register
15
Force multi-coils on/off
data
(00000~0XXXX)
many
16
Write multi-holding
registers data
(40000~4XXXX)
Register Addresses of xLogic
Serial communication parameters settings:
Modbus Communication Protocol: Modbus RTU
Communication Settings:
 Baud Rate: 9600
 Data Bits: 8
 Stop Bits: 1
 Parity: None
Name
Modbus Address
(Decimal)
Data
Format
Attribute
Digital Inputs
Type: 1x
Modbus
Function
Code:
02
EXM-12(CPU):
0 ~ 7
ELC-12-N (CPU):
0 ~ 7
EXM-E-8 (EXT1):
8 ~ 15
EXM-E-8 (EXT2):
16 ~ 23
EXM-E-8 (EXT8):
64 ~ 71
PR-6 (CPU):
0 ~ 3
PR-12-E (CPU):
0 ~ 7
PR-12 (CPU):
0 ~ 7
PR-14 (CPU):
0 ~ 11
PR-18 (CPU):
Bit
R