YASKAWA Sigma-7 SGD7S Series - 7.2.4 ALM (Servo Alarm) Signal

Output Signal Name
and Parameter
Output
Signals
CN1 Pin No. Disabled (Not
Used)
1 and 2 23 and
24
25 and
26
Near Pn510 = n.X
NEAR 1 2 3 0 (default set-
ting)
Preventative Mainte-
nance Pn514 =
n.X
/PM 1 2 3 0 (default set-
ting)
Pn512 = n.1
Reverse polarity for
CN1-1 and CN1-2
0 (default set-
ting) (The
polarity is not
reversed in the
default set-
tings.)
Pn512 = n.1
Reverse polarity for CN1-23
and CN1-24
Pn512 = n.1
Reverse polarity for CN1-25 and CN1-26
The following example shows disabling the /COIN (Positioning Completion) signal allo-
cated to CN1-25 and CN1-26 and allocating the /SRDY (Servo Ready) signal.
Pn50E = n.03
Before change
↓
Pn50E = n.30
After change
Refer to the following section for the parameter setting procedure.
Ä Chap. 6.2.4 ‘Setting Methods for SERVOPACK Parameters’ page 133
You can confirm the status of output signals on the I/O signal monitor. Refer to the fol-
lowing section for information on the I/O signal monitor.
Ä Chap. 10.3.3 ‘I/O Signal Monitor’ page 437
7.2.4 ALM (Servo Alarm) Signal
This signal is output when the SERVOPACK detects an error.
Configure an external circuit so that this alarm output turns OFF the main
circuit power supply to the SERVOPACK whenever an error occurs.
Type Signal Connector Pin
No.
Signal Status Meaning
Output ALM CN1-3 and
CN1-4
ON (closed) Normal SER-
VOPACK status
OFF (open) SERVOPACK
alarm
Example of Changing
Output Signal Allocations
Checking Output Signal
Status
Sigma-7 Series SERVOPACKs
Application Functions
I/O Signal Allocations > ALM (Servo Alarm) Signal
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