Rockwell Automation 1791-I0VW USER MANUAL User Manual
Page 27
Configuring Your Block I/O
Chapter 3
3-5
Rack Address Switch Position
PLCĆ3
Rack
Number
PLCĆ5/250
Rack
Number
PLCĆ5
Rack
Number
PLCĆ2
Rack
Number
1771ĆSN
Rack
Number
1747ĆSN
Rack
Number
1
2
3
4
5
6
PLCĆ3
Rack
Number
PLCĆ5/250
Rack
Number
PLCĆ5
Rack
Number
PLCĆ2
Rack
Number
1771ĆSN
Rack
Number
1747ĆSN
Rack
Number
Rack 44
1
0
0
1
0
0
Rack 45
1
0
0
1
0
1
Rack 46
1
0
0
1
1
0
Rack 47
1
0
0
1
1
1
Rack 50
1
0
1
0
0
0
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 01Ć03.
PLCĆ5/25 and PLCĆ5/30 processors can scan racks 01Ć07.
PLCĆ5/40 and PLCĆ5/40L processors can scan racks 01Ć17.
PLCĆ5/60 and PLCĆ5/60L processors can scan racks 01Ć27.
Each block uses 2 words of output image table memory and 2 words of
input image table memory. Each block occupies 1/4 rack of data table, with
4 blocks comprising 1 logical rack. Image table usage for one assigned
rack number is shown in Figure 3.3. An example of image table usage is
shown in Figure 3.4.