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Contents
Conventions Used in This Manual
Safety Precautions
The Role of This Manual
Organization of This User's Manual
Chapter 1. OVERVIEW
1-1
Overview
1-1
Features 1-1
System structure 1-2
Safety assurance functions 1-2
Precautions for designing equipment 1-3
Model selection table 1-3
Related devices 1-4
Certificates 1-4
Names and functions of parts 1-4
Description of 7-segment display 1-6
Terminal block signals 1-8
Chapter 2. MOUNTING AND WIRING 2-1
2-1 Mounting
2-1
Mounting locations 2-1
Mounting posture 2-2
Mounting the subbase 2-2
Mounting the controller 2-3
Dismounting the controller 2-3
2-2 Wiring 2-4
Wiring diagram 2-5
Connection to the Model AUD300C/500C 2-7
Checking the connection between the controller and the Model AUD300C/500C 2-7
Wiring to a solenoid valve 2-8
Wiring for continuous measurement of flame voltage 2-9
2-3 Communications Connections 2-11
Smart Loader connection 2-11
Connection of RS-485 communications 2-11
Connection to a 3-wire system 2-12
Connection to a 5-wire system 2-12
Chapter 3. OPERATION 3-1
Example of instrumentation for the Model AUR450C with an interrupted pilot
3-1
Precautions for instrumentation and circuit configuration with an interrupted pilot 3-1
Internal block diagram 3-2
Sequence charts 3-3
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