Meggitt VM600 - Table B-2: Read discrete input registers

B - 4 VM600 networking manual MAVM600-NET/E
Edition 9 - February 2018
APPENDIX B: AMC8 MODBUS REGISTER DEFINITIONS
Table B-2: AMC8 register definitions
Read discrete input registers (Modbus function code 02).
Rack
slot
number
(Snum)
Address
offset
(Aoff)
Bit(s) Channel
Internal value
type
Value
description
Modbus
starting
address
(MSA)
Value
type
CPUM
<71
From
3 to 14
0
N/A
Channel 1
Value
Alarm+
See
equation
(B.1)
Bit
1 Channel 2
2 Channel 3
3 Channel 4
4 Channel 5
5 Channel 6
6 Channel 7
7 Channel 8
8 Multi-channel 1
9 Multi-channel 2
10 Multi-channel 3
11 Multi-channel 4
12 Channel 1
Alarm−
13 Channel 2
14 Channel 3
15 Channel 4
16 Channel 5
17 Channel 6
18 Channel 7
19 Channel 8
20 Multi-channel 1
21 Multi-channel 2
22 Multi-channel 3
23 Multi-channel 4
24 Channel 1
Danger+
25 Channel 2
26 Channel 3
27 Channel 4
28 Channel 5
29 Channel 6
30 Channel 7
31 Channel 8
32 Multi-channel 1
33 Multi-channel 2
34 Multi-channel 3
35 Multi-channel 4
Same behaviour