User Manuals: Allen-Bradley PLC-2/20 Controller

Manuals and User Guides for Allen-Bradley PLC-2/20 Controller. We have 1 Allen-Bradley PLC-2/20 Controller manual available for free PDF download: Assembly And Installation Manual

Allen-Bradley PLC-2/20 Assembly And Installation Manual

Allen-Bradley PLC-2/20 Assembly And Installation Manual (166 pages)

Brand: Allen-Bradley | Category: Controller | Size: 10 MB

Table of Contents

Table of Contents
4
Introduction
10
PC Definition
10
Fundamental Concepts
10
Preassembly and Installation
11
Precautionary Notes
12
Related Publications
12
Remote I/0 Installation
12
Power Supplies
12
Hardware
23
I/0 System Structure
26
L/0 Chassis Structure
28
Keying
32
Input/Output Modules
33
L/0 Module Addressing
35
Field Wiring Arms
39
Programming Terminal
40
Auxiliary Power Supplies
42
6.5 Amp Auxiliary Power Supplies
43
Power Supply Compatibility
45
Assembly and Installation
46
General
46
Processor Assembly
46
Memory Module Installation
46
Memory Segments
47
Processor Module Locations
50
Battery Backup Installation
51
1771 1/0 Chassis Assembly
54
Switch Group Assembly
54
Input Power Connection
55
Power Supply Configuration Plug
56
Keying Band Installation
57
L/0 Adapter Module Installation
58
I/0 Module Installation
58
Field Wiring Arm Installation
60
System Installation Recommendations
62
Operating Temperature
63
Electrical Noise
63
Constant Voltage Transformer
66
Enclosure Considerations
67
General Grounding Information
68
Component Layout
71
Component Mounting
74
Processor
76
Auxiliary Power Supplies
79
Incoming AC Wiring Guidelines
83
Wiring and Cabling Installation
87
Field Wiring Considerations
90
Field Wiring Guidelines
90
I/0 Wiring Installation
91
I/0 Chassis Power Connection
95
Input Power Connections
96
Programming Terminal Installation
101
System Start-Up
102
Start-Up
102
Checkout before Applying Power
102
Hardware/Indicator Comparison
103
Input Modules
104
Output Modules
104
Programming Terminal Indication
105
Using the Industrial
105
Hardware/Indicator Comparison Procedures
105
Rung for Testing Input Devices
107
Rung for Testing Output Devices Using a Pushbutton
109
Rung for Testing Output Devices Using FORCE on Instruction
111
Checkout of Machine Motion
113
Maintenance and Troubleshooting
116
Genera 1
116
Preventive Maintenance
116
Spare Parts
116
Troubleshooting
117
Processor Front Panel Indicators
117
Processor Module Locations
119
Processor Fault Indicators
121
Memory Module Indicators
121
Local I/0 Adapter Fault Indicators
122
Remote I/0 Scanner Distribution Panel Indicators
124
1772-SD2 Scanner/Distribution Panel Status Indicators
124
Output Module Fuse Indicator
126
Example of 8-Point Output Module
126
Troubleshooting with an Industrial Terminal
127
Replacing a Processor Memory Module
128
Replacing Processor Control Module
129
Replacing Processor System Power Supply Module
130
Replacing I/0 Modules
132
Auxiliary Power Supply
135
Hardware/Data Table Addressing Relationships
141
Illustration of 2-Slot Addressing with Two 8-Point Input Modules
143
Illustration of 2-Slot Addressing with 8-Point Input and Output Modules
144
Illustration of 2-Slot Addressing with 16-Point Input and Output Modules
145
I/0 Image Table and Corresponding Hardware for One Assigned Rack Number for 2-Slot Addressing
146
Illustration of 1-Slot Addressing with 16-Point I/0 Modules
148
Assigning I/0 Rack Numbers with 1-Slot Addressing
149
Example of 1-Slot Addressing
150
Group Address of a Module in Four Different Racks
154

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