Modbus address list, Input parameters, Process input parameters – Despatch Protocol 3 Modbus Communications User Manual
Page 13

ADDRESS LIST
Modbus Programming Manual
13
Version 2
Copyright © 2012 by Despatch Industries.
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2.
Modbus Address List
2.1. Input Parameters
2.1.1. Process Input Parameters
Parameter Name
Modbus
Address
(Dec)
Modbus
Address
(Hex)
Access
R/W
Notes
Input Range
1024
0x0400
R/W
Value Range
0
B TC
2
C TC
4
D TC
6
E TC
8
J TC
10
K TC
12
L TC
14
N TC
16
R TC
18
S TC
20
T TC
22
P24
24
Pt100
26
NI120
28
0_20mA
29
4_20mA
30
0_50mV
31
10_50mV
32
0_5V
33
1_5V
34
0_10V
35
2_10V
Engineering units
1025
0x0401
R/W
0 = None
1 = Degrees C
2 = Degrees F
Decimal Place
1026
0x0402
R/W
0 = 1234
1 = 123.4
2 = 12.34
3 = 1.234
Process Input
Range Minimum
1027
0x0403
R/W
Process Input
Range Maximum
1028
0x0404
R/W
Process Input
Process variable
offset
1029
0x0405
R/W
Span of the input range
Process Input
1030
0x0406
R/W
Any value between 0.0 and 512.0