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When configured as complementary I/O:
PLC-2 can scan racks 01–07
PLC-5/11 can scan rack 03
PLC-5/20, PLC-5/30, PLC-5/40, PLC-5/60
can scan racks 01–07

NOTE: Remote rack numbers which can
have a complementary rack are rack
numbers 01 thru 07 only.

Installation Instructions
Block I/O
Cat. No. 1791-32A0 Series B

8

SW1 Switch Position

PLC–3

Rack

Number

PLC–5/250

Rack

Number

PLC–5

Rack

Number

PLC–2

Rack

Number

1771-SN

Rack

Number

1747-SN

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

1771-SN

Rack

Number

1747-SN

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.
PLC-5/11 processors can scan rack 03.
PLC-5/15 and PLC-5/20 processors can scan racks 01–03.
PLC-5/25 and PLC-5/30 processors can scan racks 01–07.
PLC-5/40 and PLC-5/40L processors can scan racks 01–17.
PLC-5/60 and PLC-5/60L processors can scan racks 01–27.
PLC-5/250 processors can scan racks 00–37.

Table C
PLC–2 and PLC–5 With Complementary I/O

PLC–2

Ra

PLC–5

Ra

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

Summary of Contents for 1791-32A0

Page 1: ... 3 35 85 1 6 95 176 5 6 60 167 6 0 5 12 7 6 95H x 4 35W x 3 85D 176 5H x 110 5W x 98D Inches Millimeters Equipment Grounding Stud CAUTION When tightening grounding stud nut do not exceed 15 in lbs Block Operating temperature in air gap below module must not exceed 60oC 140oF 2 0 50 8 air gap on all 4 sides 30 1 1791 32A0 120V ac INPUT IN IN 00 01 02 03 04 05 06 07 10 11 12 13 14 15 16 17 00 01 02 ...

Page 2: ...ed with your module Select the proper module designation labels PLC or SLC for the front door and terminal strips 1 Remove labels from package Select correct labels for your application PLC label is numbered 00 07 and 10 17 SLC is numbered 00 07 and 08 15 3 Open clear front door Insert module designation label into slots in door 2 Remove plastic cover on terminal strip by flexing in middle Slip th...

Page 3: ...NOT USED NO CONN NO CONN NO CONN NO CONN NO CONN 30 1 GND BLU CLR in 00 in 01 in 02 in 03 in 04 in 05 COM 1 NOT USED COM 1 COM 1 in 11 N SHD COM 2 in 10 in 12 in 13 in 14 in 15 in 16 in 17 COM 2 NOT USED COM 2 L1 in 07 in 06 in 00 in 01 in 02 in 03 in 04 in 05 in 10 in 12 in 13 in 14 in 15 in 16 in 17 in 07 in 06 in 11 COM 3 COM 3 COM 3 COM 4 COM 4 COM 4 COM 1 connections are internally connected ...

Page 4: ... are internally connected together L1 L2 N L1 L2 N 1 30 COM 3 in 00 in 01 in 02 in 03 in 04 in 05 in 06 in 07 COM 3 COM 3 NOT USED COM 4 in 08 in 11 in 12 in 13 in 14 in 15 COM 4 NOT USED COM 4 in 09 in 10 L1 L2 N NOT USED NO CONN NO CONN NO CONN NO CONN NO CONN 1 2 29 30 1 2 29 30 The block I O module has an equipment grounding stud on the lower left side of the module Connect this grounding stud...

Page 5: ...25 27 29 in 00 thru in 07 Input 00 thru 07 15 13 11 9 7 5 3 1 Input G 1 7 COM 3 L2 N Input Common 21 19 174 Input G 1 7 COM 4 L2 N Input Common 22 20 185 PLC in 10 thru in 17 SLC in 08 thru in 15 PLC Input 10 thru 17 SLC Input 08 thru 15 16 14 12 10 8 6 4 2 Not used For internal test only not for customer use 4 5 29 27 26 No Conn No internal connection customer can use 30 28 25 24 23 1 Connect cha...

Page 6: ...witches Only block I O modules with all inputs or all outputs can use complementary I O Installation Instructions Block I O Cat No 1791 32A0 Series B 6 Figure 6 Switch Settings SW2 8 Not used SW2 7 Not Used SW2 6 Last I O Group PLC 2 only 0 Not last rack 1 Last rack SW2 5 Processor Restart Lockout PRL 0 Processor Restart 1 Processor Lockout SW2 4 Hold Last State 0 Reset Outputs 1 Hold Last State S...

Page 7: ...12 Rack 12 Rack 12 0 0 1 0 1 0 Rack 13 Rack 13 Rack 13 0 0 1 0 1 1 Rack 14 Rack 14 Rack 14 0 0 1 1 0 0 Rack 15 Rack 15 Rack 15 0 0 1 1 0 1 Rack 16 Rack 16 Rack 16 0 0 1 1 1 0 Rack 17 Rack 17 Rack 17 0 0 1 1 1 1 Rack 20 Rack 20 Rack 20 0 1 0 0 0 0 Rack 21 Rack 21 Rack 21 0 1 0 0 0 1 Rack 22 Rack 22 Rack 22 0 1 0 0 1 0 Rack 23 Rack 23 Rack 23 0 1 0 0 1 1 Rack 24 Rack 24 Rack 24 0 1 0 1 0 0 Rack 25 R...

Page 8: ...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 PLC 5 11 processors can scan rack 03 PLC 5 15 and PLC 5 20 processors ca...

Page 9: ...tible with the 1747 DSN Distributed I O Scanner module Termination Resistor A termination resistor must be installed on the last block in a series Connect the resistor as shown in Figure 7 Figure 7 Installing the Termination Resistor Termination Resistor Connect termination resistor across terminals 6 BLU and 8 CLR 10835 I BLU SHD CLR 150 ohm 57 6K and 115 2K baud 82 ohm 230 4K baud ATTENTION Devi...

Page 10: ...nication not established Communication established Processor in Program mode STATUS OFF ON Flashing Normal Error hardware or software block power low COMM FAIL communication cable disconnected 100ms between valid frames no more than 255 valid frames between valid frames addressed to block 20ms idle time exceeded COMM and STATUS will alternately flash when processor restart lockout is selected a fa...

Page 11: ...1 0mA Nominal Input Voltage 120V ac On state Voltage Range 79 132V ac 47 63Hz Off state Voltage Maximum 35V On state Current Minimum Maximum 5mA 79V 60Hz 12 3mA 132V 60Hz Off state Current Minimum 2 3mA 60Hz Input Impedance Maximum 15K ohms 60Hz Input Signal Delay Off to on On to off 1 0ms 26ms maximum allows for 1 2 cycle dropout Specifications continued on next page ...

Page 12: ...rational Temperature Storage Temperature Relative Humidity 0 to 60oC 32 to 140oF 40 to 85oC 40 to 185oF 5 to 95 noncondensing Conductors Wire Size Category 14 gauge 2mm2 stranded maximum 3 64 inch 1 2mm insulation maximum 11 1 You use this conductor category information for planning conductor routing as described in the system level installation manual With offices in major cities worldwide WORLD ...

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