Memory Mapping - Allen-Bradley FLEX Ex 1797-OB4D Installation Instructions Manual

24v dc non-isolated source 4 output module
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10 FLEX Ex 24V dc Non-Isolated Source 4 Output Module
Indicators
A = Status Indicators - yellow - individual input present; flashing red -
channel fault; solid red - module did not pass powerup check; Channel
0 - solid red while power up check is running
B = Insertable labels for writing individual input designations
C = Power Indicator - green indicates power applied to module

Memory Mapping

Dec
15
14
Bit
Oct.
17
16
Bit
Read
OVL
OVL
0
3
2
Write
Out
L
0
Enb
Write
1
Publication
1797-5.6 - December 2003
A
13
12
11
10
15
14
13
12
OVL
OVL
F3
1
0
FM
FM
3
B
09
08
07
11
10
07
F2
F1
F0
FM
FM
FS
2
1
0
3
FR
Ex
1797-OB4D
PWR
C
40067
06
05
04
03
06
05
04
03
FS
FS
FS
03
2
1
0
02
01
00
02
01
00
02
01
00
Alarm Filter - Ch
0-3

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