8.3.4
Servo Gain Adjustment ........................................................................................................ 91
z
Servo gain number ..................................................................................................................... 91
9.
Controlling Multiple Controllers via Serial Communication................ 92
9.1
Basic Specifications ................................................................................................................... 92
9.2
Connection Example .................................................................................................................. 92
9.3
SIO Converter ............................................................................................................................ 93
9.4
Address Switch .......................................................................................................................... 95
9.5
Connection Cables..................................................................................................................... 95
9.6
Detail Connection Diagram ........................................................................................................ 96
10.
Troubleshooting................................................................................. 97
10.1
Action to Be Taken upon Occurrence of Problem ...................................................................... 97
10.2
Alarm Level Classification .......................................................................................................... 98
10.3
Alarm Description Output Using PIO ......................................................................................... 99
10.4
Alarm Description and Cause/Action ....................................................................................... 100
(1)
Message level alarms ........................................................................................................ 100
(2)
Operation-cancellation level alarms................................................................................... 101
(3)
Cold-start level alarms ....................................................................................................... 104
10.5
Messages Displayed during Operation Using the Teaching Pendant or PC Software ............ 106
10.6
Specific Problems..................................................................................................................... 108
z
I/O signals cannot be exchanged with the PLC. ...................................................................... 108
z
The RDY lamp does not illuminate after the power is input. .................................................... 108
z
Only the RDY lamp illuminates when the servo ON signal is input after the power
was
input. ................................................................................................................................. 108
z
Both the RDY lamp and ALM lamp illuminate when the power is input. .................................. 108
z
Home return ends in the middle in a vertical application.......................................................... 109
z
Noise occurs during downward movements in a vertical application....................................... 109
z
Vibration occurs when the actuator is stopped. ....................................................................... 109
z
The actuator overshoots when decelerated to a stop. ............................................................. 109
z
The home and target positions sometimes shift....................................................................... 109
z
The speed is slow during push & hold operation. .................................................................... 109
z
The actuator moves only a half of, or twice as much as, the specified movement...................110
* Appendix .................................................................................................111
Example of Basic RCP2 Positioning Sequence .....................................................................................111
Recording of Position-Data Table ...........................................................................................................114
Recording of User Parameters ...............................................................................................................116