I/O Signal Connections; Servopack I/O Signal (Cn1) Names And Functions - YASKAWA S-V Series User Manual

4.2

I/O Signal Connections

This section describes the names and functions of I/O signals. Also terminal layout and connection examples
by control method are shown.

4.2.1 SERVOPACK I/O Signal (CN1) Names and Functions

The following table shows the names and functions of I/O signals.
(1) CN1 Input Signals
Signal
Name
Σ-V
N-OT 9
/ALM-RST 7
P-OT 8
/DEC 10
Not used
11
/RGRT 12
+24VIN
6
BAT(+) 14
BAT(-) 15
/S-ON 13
Note: With the Reverse Run Prohibited and Forward Run Prohibited functions, the processing required to stop the SER-
VOPACK is executed by the software. In some cases, the safety specifications of an application may not fulfill the
safety standards. Add external safety circuits as necessary.
Provide an external power supply; the SERVOPACK and INDEXER Module do not have
an internal 24-V power supply.
Yaskawa recommends using the same external power supply as that used for output cir-
cuits. Confirm the characteristics of relays and other mechanical contacts before using a
power supply.
The following tables show I/O signal pin numbers for an INDEXER module. The signal
assignment cannot be changed.
The number of pins on the CN1 connector is different on a Large-Capacity Σ-V SERVO-
PACK (50 pins) and a standard Σ-V SERVOPACK (26 pins). If you are using both types
of SERVOPACK, use the correct connector model numbers when ordering and the cor-
rect signal assignments.
Pin No.
Large-
Name
Capacity
Σ-V
43 Reverse Run Prohibited
41 Alarm Reset Input
42 Forward Run Prohibited
Homing Deceleration
44
Limit Switch Input
45 –
46 Registration
Control Power Input for
47
Sequence Signals
21 Battery (+) Input
22 Battery (-) Input
40 Servo ON Input

4.2 I/O Signal Connections

Function
Overtravel prohibited:
Stops servomotor when movable part travels beyond the
allowable range of motion.
–
Overtravel prohibited:
Stops servomotor when movable part travels beyond the
allowable range of motion.
Homing Deceleration Limit Switch:
Connects to the deceleration limit switch for homing.
–
Registration Latch:
This is a latch signal used for registration (external posi-
tioning).
Used to input control power supply for sequence signals.
Operable range: +11 V to +25 V
Note: The +24-V power supply must be prepared by the
customer.
Used to connect an absolute encoder's backup battery.
Σ-V Series SERVOPACK:
Connect to CN8 or pins 14 and 15 of CN1.
Large-Capacity Σ-V Series SERVOPACK:
Connect to CN8 or pins 21 and 22 of CN1
Servo ON:
When ON, power is supplied to the motor.
When OFF, power is not supplied to the motor.
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