Rockwell Automation 1791-XXXX Discrete I/O AC and DC Block I/O Input and Output Modules - Manual (Page 9)

Introducing Block I/O
Chapter 1
1-2
The blocks are compatible with PLC-2

, PLC-3

, PLC-5/250

and
PLC-5

family programmable controllers, and the SLC

5/02 modular
controllers. Refer to the table below for information on using block I/O
with various Allen-Bradley programmable controllers.
If You are Using: You must use:
PLCĆ2 family programmable controller
1771ĆSN subĆI/O scanner or
1772ĆSD and ĆSD2 remote I/O scanners
PLCĆ3 family programmable controller
PLCĆ5 family programmable controller
Block attaches directly to controller
PLCĆ5/250 programmable controller
y
SLC programmable controller 1747ĆSN remote I/O scanner
Figure 1.1 shows the physical features of the block I/O.
Figure 1.1
Major Features of the Block I/O Modules
1
30
1791Ć8AC
120V ac IN/OUT
INPUT OUTPUT
00
01
02
03
04
05
06
07
00
01
02
03
04
05
06
07
Indicators
Equipment
Grounding
Stud
Left Removable
Terminal Strip for
Input, Output, Remote
I/O and Power
Connections
Switch assemblies are located behind front
cover. Open cover to access.
COMM
STATUS
1
30
30
1 RACK #
ALLENĆBRADLEY
1791Ć32B0
24V dc INPUT
IN IN
00
01
02
03
04
05
06
07
10
11
12
13
14
15
16
17
00
01
02
03
04
05
06
07
10
11
12
13
14
15
16
17
G G+1
00
01
02
03
04
05
06
07
10
11
12
13
14
15
16
17
G
(G+1)
00
01
02
03
04
05
06
07
10
11
12
13
14
15
16
17
COMM
STATUS
16ĆPoint Block I/O 32ĆPoint Block I/O
ALLENĆBRADLEY
00
01
02
03
04
05
06
07
00
01
02
03
04
05
06
07
Equipment
Grounding
Stud
Left and Right
Removable
Terminal Strips for
Input, Output,
Remote I/O and
Power Connections