Operation Manual

10 Sensor signal outputs
10.3 Modbus output
The default Modbus communication settings are shown as below. You
can change the default values using Modbus, service software or the
S4C-FS service app.
Mode : RTU
Baud rate : 19200
Device address : Last two digits of serial number
Framing / parity / stop bit : 8, N, 1
Response time : 1 second
Response delay : 0 ms
Inter-frame spacing : 7 char
10.3.1 Modbus settings registers
Byte sequencing
Byte order Byte sequencing (HEX) Example
MID-LITTLE-ENDIAN
(Read from the device)
A B C D 0x 0A 11 42 C5
LITTLE-ENDIAN B A D C 0x 11 0A C5 42
BIG-ENDIAN C D A B 0x 42 C5 0A 11
26 S402
Description Unit/Comment
2001 2000 2 UInt16 1 R/W
2002 2001 2 UInt16 Baud rate 4 R/W
2003 2002 2 UInt16 Parity 1 R/W
2005 2004 2 UInt16 Word Order 0xCDAB R/W
Modbus
Register
Reg
Address
No. of
Byte
Data
Type
Default
Setting
Read
Write
Modbus ID Modbus ID 1…247
0 = 1200
1 = 2400
2 = 4800
3 = 9600
4 = 19200
5 = 38400
0 = none
1 = even
2 = odd
0xABCD=Big Endian
0xCDAB=Mid Endian