Diagnosing faults chapter 8 – Rockwell Automation 1785-BCM_BEM, D17856.5.4 PLC-5 Backup Communication Module User Manual User Manual
Page 117
Diagnosing Faults
Chapter 8
8-7
Figure 8.4
BCM and BEM Modules Configuration Status Word W2
(Auxiliary Diagnostic/Status Word)
17
16
15
14
13
12
11
10
7
6
5
4
3
2
1
0
Channel
A Config
Channel
A Error
Channel
B Config
Channel
B Error
Bits
1
12
11
10
2
1
0
Description
1
1
1
Data Highway Plus network
1
1
0
Remote I/O – adapter mode at 57.6 kbaud
1
0
1
Remote I/O – adapter mode at 115.2 kbaud
1
0
0
Remote I/O – adapter mode at 230.4 kbaud
0
1
1
Relay switch
0
1
0
Remote I/O – scanner mode at 57.6 kbaud
0
0
1
Remote I/O – scanner mode at 115.2 kbaud
0
0
0
Remote I/O – scanner mode at 230.4 kbaud
Bits
1
16
15
14
6
5
4
Description
1
1
1
Data Highway Plus network
1
1
0
Remote I/O – adapter mode at 57.6 kbaud
1
0
1
Remote I/O – adapter mode at 115.2 kbaud
1
0
0
Remote I/O – adapter mode at 230.4 kbaud
0
1
1
Relay switch
0
1
0
Remote I/O – scanner mode at 57.6 kbaud
0
0
1
Remote I/O – scanner mode at 115.2 kbaud
0
0
0
Remote I/O – scanner mode at 230.4 kbaud
Bits
1
13
3
Description
0
0
Normal operation
1
0
Channel 1B error
0
1
Channel 2B error
1
1
Channels 1B and 2B error
Bits
1
17
7
Description
0
0
Normal operation
1
0
Channel 1A error
0
1
Channel 2A error
1
1
Channels 1A and 2A error
1
Bit conditions: 1 = ON, 0 = OFF