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Chapter 7
:
Digital Output (DO) Circuit
7.1
Specifications of Digital Output Circuit ............................................................................................ H7-2
7.2
5VDC Ultra High Speed Line-Driver Differential Output Circuit and its Wiring ........................... H7-3
7.3
Single-End Output Circuit ................................................................................................................ H7-3
7.3.1
Structure and Wiring of Single-End Relay Output Circuit .......................................................................... H7-3
7.3.2
Structure and Wiring of Single-End Transistor SINK & SOURCE Output Circuit ................................... H7-4
7.4
Speed up the Single-End Transistor Output Circuit (only applicable to high and medium-speed)
......................................................................................................................................................... H7-6
7.5
Output Device Protection and Noise Suppression in DO Circuit ............................................... H7-6
7.5.1
Protection of Relay Contacts and Noise Suppression ............................................................................... H7-6
7.5.2
Protection of Transistor Output and Noise Suppression ............................................................................ H7-8
Chapter 8
:
Test Run, Monitoring and Maintenance
8.1
Inspection After Wiring and Before First Time Power on .............................................................. H8-1
8.2
Test Run and Monitoring ................................................................................................................. H8-1
8.3
LED Indications on PLC Main Unit and Troubleshooting ............................................................. H8-2
8.4
Maintenance ..................................................................................................................................... H8-4
8.5 The Charge of Battery & Recycle of Used Battery ........................................................................ H8-4