APPLICATIONS OF Σ-SERIES PRODUCTS
3.7.1 Using Servo Alarm Output and Alarm Code Output
128
3.7 Forming a Protective Sequence
This section describes how to use I/O signals from the Servopack to form a protective
sequence for safety purposes.
3.7.1 Using Servo Alarm Output and Alarm Code Output 128...................
3.7.2 Using Servo ON Input Signal 132......................................
3.7.3 Using Positioning Complete Signal 133.................................
3.7.4 Using Speed Coincidence Output Signal 134............................
3.7.5 Using Running Output Signal 136......................................
3.7.6 Using Servo Ready Output Signal 138..................................
3.7.1 Using Servo Alarm Output and Alarm Code Output
1) Basic Wiring for Alarm Output Signals
Photocoupler Output
Per output:
Maximum operation
voltage: 30 VDC
Maximum output
current: 50 mADC
Open Collector Output
Per output:
Maximum operation
voltage: 30 VDC
Maximum output
current: 20 mADC
Servopack
Photocoupler
I/O power
supply
Host controller
1CN-31
1CN-32
1CN-37
1CN-38
1CN-39
1CN-2
ALM+
ALM-
ALO1
ALO2
ALO3
SG
Provide an external I/O power supply separately. There are no DC power available
from Servopack for output signals.
3
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