Meggitt VM600 - Table A-1: Read coil or discrete input registers

A - 2 VM600 networking manual MAVM600-NET/E
Edition 9 - February 2018
APPENDIX A: MPC4 MODBUS REGISTER DEFINITIONS
Table A-1: MPC4 register definitions
Read coil or discrete input registers (Modbus function codes 01 and 02)
Rack
slot
number
(Snum)
Address
offset
(Aoff)
Channel
Internal value
type
Value
description
Modbus
starting
address
(MSA)
Value
Type
CPUM
<71
From
3 to 14
0
Channel 1, output 1
Value
Point is defined
Bit
1 Alarm+
2Alarm−
3 Danger+
4 Danger−
5 Sensor OK
8
Channel 1, output 2
Point is defined
9 Alarm+
10 Alarm−
11 Danger+
12 Danger−
13 Sensor OK
16
Channel 2, output 1
Point is defined
17 Alarm+
18 Alarm−
19 Danger+
20 Danger−
21 Sensor OK
24
Channel 2, output 2
Point is defined
25 Alarm+
26 Alarm−
27 Danger+
28 Danger−
29 Sensor OK
32
Channel 3, output 1
Point is defined
33 Alarm+
34 Alarm−
35 Danger+
36 Danger−
37 Sensor OK
40
Channel 3, output 2
Point is defined
41 Alarm+
42 Alarm−
43 Danger+
44 Danger−
45 Sensor OK
( ( slot − 3 ) * 96 ) + Aoff
Same behaviour