Despatch Protocol 3 Modbus Communications - Manual (Page 16)

A BOUT T HIS M ANUAL Modbus Programming Manual
16 Version 2
Copyright © 2012 by Despatch Industries.
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Parameter Name Modbus
Address
(Dec) Modbus
Address
(Hex) Access
R/W Notes
status Bit 1 = Low
Bit 2 = High
2.1.3. Digital Inputs
Parameter
Name Modbus
Address
(Dec) Modbus
Address
(Hex) Access
R/W Notes
Digital input
states 2001 0x7D1 R Bit Position Digital input
0 1
1 2
2 3
3 4
2.2. Output Parameters
2.2.1. Relay Output 1 Parameters
Parameter
Name Modbus
Address
(Dec) Modbus
Address
(Hex) Access
R/W Notes
Usage 2146 0x0862 R/W Value Usage
0 None
1 Alarm 1
2 Alarm 2
3 Alarm 3
4 Alarm 4
5 Alarm 5
6 Event 1
7 Event 2
8 Event 3
9 Event 4
10 Event 5
11 Cycle Complete
12 Profile Running
13 Or of Alarms
14 Alarm and Events
Alarm Selection 2148 0x0864 R/W Value Selection
0 Alarm 1 or Alarm 2
1 Alarm 1 or Alarm 2 or Alarm 3
2 Alarm 1 or Alarm 2 or Alarm 3 or
Alarm 4