Sigma II User’s Manual Chapter 7: Using the Digital Operator
7 - 7
Position Control Mode
The following tables list and explain the meanings of bit data and code displays in
Position Control Mode.
Bit Data and Meanings in Position Control Mode
Bit Datum Meaning
Control Power ON Lit when servo amplifier control power is ON.
Baseblock
Lit for baseblock.
Not lit when servo is ON.
Positioning Completed
Lit if error between position reference and actual motor position
is below preset value.
Preset value: Set in PN500. (Default setting is 7 pulses).
/TGON
Lit if motor speed exceeds preset value.
Preset value: Set in Pn502. (Default setting is 20rpm).
Reference Pulse Input Lit if reference pulse is input.
Error Counter Clear Input Lit when error counter clear signal is input.
Power Ready
Lit when main power supply circuit is operating at normal level.
Not lit when power is OFF.
Codes and Meanings in Position Control Mode
Code Meaning
Baseblock
Servo OFF (motor power OFF)
Run
Servo ON (motor power ON)
Forward Run Prohibited
CN1-42 (P-OT) is OFF. Refer to
5.1.2 Setting the Overtravel Limit
Function.
Reverse Run Prohibited
CN1-43 (N-OT) is OFF. Refer to
5.1.2 Setting the Overtravel Limit
Function.
Alarm Status
Displays the alarm number. Refer to
9.2 Troubleshooting.
Code
Bit Data
Positioning Completed
Baseblock
Control Power ON
Reference Pulse Input
TGON
Power Ready
Error Counter Clear Input
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