IAI America ERC3 - Manual (Page 365)

Chapter 7
Troubleshooting
7.2 Fault Diagnosis
355
[In the case of Positioner Mode]
Situation Possible cause Check/Treatment
Both position No. and
start signal are input to
the controller, but the
actuator does not move.
There is a problem either in PIO signal
treatment, position table setting or
operation mode selection.
1) Servo OFF condition
2) The pause signal is OFF.
3) Positioning command is issued to a
stop position.
4) There is no positioning data set to the
commanded position number.
1) Is Status LED on ERC3 turned ON
in green?
If PIO Converter is used, is Status
LED turned ON in green?
[Refer to Name for Each Parts and
Their Functions]
Turn ON the servo-on signal SON of
PIO.
2) Operation is available when PIO
pause signal *STP is ON and pause
when it is OFF. Turn it ON. [Refer to
Chapter 3, 3.1.2 and 3.3.2]
3) Check the sequence or the settings
of the position table.
4) It will generate Alarm Code 0A2
“Position Data Error”. Conduct the
position table setting.
(Note) Refer to Chapter 3 Wiring for PIO signal.