Rockwell Automation 1791-XXXX Discrete I/O AC and DC Block I/O Input and Output Modules User Manual
Page 61
When configured as complementary I/O:
●
PLCĆ2 can scan racks 01-07
●
PLCĆ5/11 can scan rack 03
●
PLCĆ5/20, PLCĆ5/30, PLCĆ5/40,
PLCĆ5/60 can scan racks 01-07
ATTENTION: Series A modules do not support
complementary I/O.
Configuring Your Block I/O for PLC
Family Programmable Controllers
Chapter 4
4-4
SW1 Switch Position
PLC-3
Rack
Number
PLC-5/250
Rack
Number
PLC-5
Rack
Number
PLC-2
Rack
Number
1771ĆSN
Rack
Number
1747ĆSN
Rack
Number
3
4
5
6
7
8
PLC-3
Rack
Number
PLC-5/250
Rack
Number
PLC-5
Rack
Number
PLC-2
Rack
Number
1771ĆSN
Rack
Number
1747ĆSN
Rack
Number
Rack 51
1
0
1
0
0
1
Rack 52
1
0
1
0
1
0
Rack 53
1
0
1
0
1
1
Rack 54
1
0
1
1
0
0
Rack 55
1
0
1
1
0
1
Rack 56
1
0
1
1
1
0
Rack 57
1
0
1
1
1
1
Rack 60
1
1
0
0
0
0
Rack 61
1
1
0
0
0
1
Rack 62
1
1
0
0
1
0
Rack 63
1
1
0
0
1
1
Rack 64
1
1
0
1
0
0
Rack 65
1
1
0
1
0
1
Rack 66
1
1
0
1
1
0
Rack 67
1
1
0
1
1
1
Rack 70
1
1
1
0
0
0
Rack 71
1
1
1
0
0
1
Rack 72
1
1
1
0
1
0
Rack 73
1
1
1
0
1
1
Rack 74
1
1
1
1
0
0
Rack 75
1
1
1
1
0
1
Rack 76
1
1
1
1
1
0
Not Valid
1
1
1
1
1
1
Rack address 77 is an illegal configuration.
PLCĆ5/11 processors can scan rack 03.
PLCĆ5/15 and PLCĆ5/20 processors can scan racks 01-03.
PLCĆ5/25 and PLCĆ5/30 processors can scan racks 01-07.
PLCĆ5/40 and PLCĆ5/40L processors can scan racks 01-17.
PLCĆ5/60 and PLCĆ5/60L processors can scan racks 01-27.
PLCĆ5/250 processors can scan racks 00-37.
Table 4.G
Switch Settings for Block I/O as Complementary I/O
(PLC-2 and PLC-5 only)
PLC-2
Rack
PLC-5
Rack
SW1 Switch Position
Rack
Number
Rack
Number
8
7
6
5
4
3
Rack 1
Not Valid 0
0
1
0
0
0
Rack 2
Rack 1
0
0
1
0
0
1
Rack 3
Rack 2
0
0
1
0
1
0
Rack 4
Rack 3
0
0
1
0
1
1
Rack 5
Rack 4
0
0
1
1
0
0
Rack 6
Rack 5
0
0
1
1
0
1
Rack 7
Rack 6
0
0
1
1
1
0
Rack 7
0
0
1
1
1
1