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IAI America ERC2 User Manual

Page 12

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Default direction of excited-phase signal detection ............................................................. 134

Excited-phase signal detection time.................................................................................... 134

Safety speed ....................................................................................................................... 134

Automatic servo-off delay time............................................................................................ 135

Default standstill mode........................................................................................................ 135

Push speed ......................................................................................................................... 136

Push & hold stop judgment period ...................................................................................... 136

8.2.3

Parameters Relating to the External Interface .......................................................................... 137

PIO pattern selection........................................................................................................... 137

Movement command type................................................................................................... 137

Pause input disable selection.............................................................................................. 138

Home-return input disable selection.................................................................................... 138

Output mode of position complete signal ............................................................................ 139

SIO communication speed .................................................................................................. 139

Minimum delay for slave transmitter activation.................................................................... 139

Silent interval multiplication factor ....................................................................................... 140

8.2.4

Servo Gain Adjustment ............................................................................................................. 141

Servo gain number.............................................................................................................. 141

Speed loop proportional gain .............................................................................................. 141

Speed loop integral gain ..................................................................................................... 142

Torque filter time constant................................................................................................... 142

9. Troubleshooting........................................................................................................................ 143

9.1

Action to Be Taken upon Occurrence of Problem ................................................................................... 143

9.2

Alarm Level Classification....................................................................................................................... 144

9.2.1

How to Reset Alarms ................................................................................................................ 144

9.3

Alarm Description and Cause/Action ...................................................................................................... 145

(1)

Operation-cancellation level alarms.......................................................................................... 145

(2)

Cold-start level alarms .............................................................................................................. 147

9.4

Messages Displayed during Operation Using the Teaching Pendant...................................................... 149

9.5

Specific Problems ................................................................................................................................... 151

I/O signals cannot be exchanged with the PLC................................................................... 151

The LED lamp does not illuminate after the power is input. ................................................ 151

The LED illuminates in red when the power is turned on. ................................................... 151

Home return ends in the middle in a vertical application. .................................................... 151

Noise occurs during downward movements in a vertical application................................... 152

Vibration occurs when the actuator is stopped.................................................................... 152

The actuator overshoots when decelerated to a stop.......................................................... 152

The home and target positions sometimes shift on the rod-type actuator. .......................... 152

The speed is slow during push & hold operation................................................................. 152

The actuator moves only a half, or as much as twice, the specified travel.......................... 152

The actuator operates abnormally when the servo is turned on following the power on. .... 152

The LED (green) blinks. ...................................................................................................... 152

10. Maintenance and Inspection .................................................................................................... 153

10.1 Inspection Items and Schedule............................................................................................................... 153

10.2 Visual Inspection of Appearance............................................................................................................. 153

10.3 Cleaning.................................................................................................................................................. 153

10.4 Internal Check (Slider Type) ................................................................................................................... 154

10.5 Internal Cleaning (Slider Type)................................................................................................................ 155

10.6 Greasing the Guide (Slider Type)............................................................................................................ 155

10.7 Greasing the Ball Screw (Slider Type) .................................................................................................... 157

10.8 Greasing the Rod Slide Surface ............................................................................................................. 158

10.9 Motor Replacement Procedure ............................................................................................................... 159

11. Appendix ..................................................................................................................................161

............................................................................................................................. 161

............................................................................................................................. 161

............................................................................................................................. 162

11.1 External Dimensions

11.1.1 ERC2-SA6C
11.1.2 ERC2-SA7C