USER MANUAL Manual

Troubleshooting
Chapter 4
4-2
Figure 4.1
Indicators
on the 1791IOBW and IOVW Block I/O Modules (PLC labels
shown)
00
01
02
03
04
05
06
07
10
11
12
13
14
15
16
17
NC
COM
POWER
ACTIVE
COMM
FUSE
RACK
ADDR
87654 321
CONFIGURATIO
N
SWITCHES
00
01
02
03
04
05
06
07
10
11
12
COM
00
01
02
03
04
05
06
07
10
11
12
13
14
15
16
17
COM
+VDC
00
01
02
03
04
05
06
07
10
11
+VDC
POWER
ACTIVE
COMM
FUSE
INPUT
OUTPUT
00
01
02
03
04
05
06
07
10
11
12
13
14
15
16
17
10943I
00
01
02
03
04
05
06
07
10
11
12
13
14
15
16
17
OI O I