ABB Symphony Harmony Series Instruction page 21

Table of Contents
Section 4 Operating Procedures .................................................................................4-1
Introduction .............................................................................................................4-1
Indicators .................................................................................................................4-1
Startup Procedures...................................................................................................4-2
Section 5 Troubleshooting ..........................................................................................5-1
Introduction .............................................................................................................5-1
Error Indications and Corrective Action ....................................................................5-1
Controller Errors ......................................................................................................5-1
Module Pin Connections ...........................................................................................5-2
Section 6 Maintenance .................................................................................................6-1
Introduction .............................................................................................................6-1
Preventive Maintenance Schedule .............................................................................6-1
Equipment and Tools Required .................................................................................6-2
Preventive Maintenance Procedures ..........................................................................6-2
Printed Circuit Board Cleaning .............................................................................6-2
General Cleaning and Washing..........................................................................6-3
Edge Connector Cleaning ..................................................................................6-3
Checking Connections ..........................................................................................6-4
Section 7 Repair and Replacement .............................................................................7-1
Introduction .............................................................................................................7-1
Module Repair and Replacement ...............................................................................7-1
Appendix A NTDI01 Termination Unit ........................................................................ A-1
Introduction ............................................................................................................ A-1
List of Figures
No.
1-1. Harmony Rack I/O Architecture ................................................................1-2
2-1. Digital Input Module Block Diagram ..........................................................2-2
2-2. Digital Input Module Circuitry ...................................................................2-4
2-3. Mounting Hardware...................................................................................2-6
3-1. Module Layout...........................................................................................3-3
iv
(continued)
Title Page
WBPEEUI240767B0