Despatch Protocol 3 Modbus Communications User Manual
Page 15
ADDRESS LIST
Modbus Programming Manual
15
Version 2
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Parameter Name
Modbus
Address
(Dec)
Modbus
Address
(Hex)
Access
R/W
Notes
22
S TC
24
T TC
28
P24
30
Pt100 RTD
34
0_20mA
35
4_20mA
36
0_50mV
37
10_50mV
38
0_5V
39
1_5V
40
0_10V
41
2_10V
High Limit Input
Engineering units
9001
0x2329
R/W
0 = None
1 = Degrees C
2 = Degrees F
High Limit Input
Decimal Place
9002
0x232C
R/W
0 = 1234
1 = 123.4
2 = 12.34
3 = 1.234
High Limit Input
Range Minimum
9003
0x232A
R/W
High Limit Input
Range Maximum
9004
0x232B
R/W
High Limit User
Calibration Type
9008
0x2330
R/W
0 = No User Calibration
1 = Single Point Calibration
2 = Two Point Calibration
High Limit Input
Process variable
offset
9009
0x2331
R/W
Span of the input range
Process Input
Low Calibration
Offset
9010
0x2332
R/W
Process Input
Low Temperature
Calibration Point
9011
0x2333
R/W
Process Input
High Calibration
Offset
9012
0x2334
R/W
Process Input
High
Temperature
Calibration Point
9013
0x2335
R/W
High Limit Input
Process Variable
9006
0x232E
R
High Limit Input
9007
0x232F
R
Bit 0 = OPEN