— A-9 —
Appendix 3 : Initializing Driver Unit
l When troubleshooting or replacing a Motor or a Driver Unit, you may need to initialize the Driver
Unit. In such a case, follow the procedures described hereunder.
l Initialization of the Driver Unit requires three steps as shown in Figure A-12.
l Use Handy Terminal FHT11 for inputting command.
Figure A-12
(2) Initialize the Driver Unit with “SI” command.
(1) Note down parameter settings and channel programs.
(3) Input the parameters and programs again.
Explanations
1 Read out parameter settings and channel programs and note down them. Especially
“PA” and “RO” data are important for ESA Driver Unit for absolute position resolver.
1) Connect the Handy Terminal FHT11 to CN1 connector of Driver Unit and turn on the power.
↓
2) Monitor the parameters with “TS0” command.
Internal program may be monitored by “TC data” command.
↓
3) After monitoring, turn the power off.
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