YASKAWA SGD7S Product Manual page 129

4.5 I/O Signal Connections
4.5.1 I/O Signal Connector (CN1) Names and Functions
The following table gives the pin numbers, names, and functions of the I/O signal pins.
You cannot change the pin allocations for the I/O signals on CN1.
Note
Input Signals
Signal Pin No.
CCW-OT 8
CW-OT 9
/HOME 11
EXSTOP 12
+24VIN
6
BAT+
14
BAT- 15
TH 5
Note: If forward drive prohibition or reverse drive prohibition is used, the SERVOPACK is stopped by software con-
trols. If the application does not satisfy the safety requirements, add external safety circuits as required.
Output Signals
Signal Pin No.
ALM+ 3
ALM- 4
/BK+ 1
/BK- 2
/WARN+ 23
/WARN- 24
/S-RDY+ 25
/S-RDY- 26
PAO 17
/PAO 18
PBO 19
/PBO 20
PCO 21
/PCO 22
SG 16
FG Shell
Name
CCW Drive Prohibit
Stops Servomotor drive (to prevent overtravel)
Input
when the movable part of the machine exceeds
the range of movement.
CW Drive Prohibit Input
Connects the deceleration limit switch for origin
Origin Signal Input
return.
Stops Servomotor drive immediately and turns
External Stop Input
OFF the servo in the SERVOPACK.
Inputs the sequence input signal power supply.
Sequence Input Signal
Allowable voltage range: 24 VDC ±20% The 24-
Power Supply Input
VDC power supply is not provided by Yaskawa.
Battery for Absolute
These are the pins to connect the absolute
Encoder (+)
encoder backup battery.
Do not connect these pins if you use the
Battery for Absolute
Encoder Cable with a Battery Case.
Encoder (-)
Inputs the overheat protection signal from a Lin-
Overheat Protection
ear Servomotor or from a sensor attached to
Input
the machine.
Name
Servo Alarm Output Turns OFF (opens) when an error is detected.
Controls the brake. The brake is opened when
Brake Output
the signal turns ON (closes).
It remains ON continuously while a warning is
Warning Output
being detected.
This output is ON (closed) when the control
Servo Ready Output power supply and main circuit power supply are
ON and a servo alarm has not occurred.
Encoder Divided Pulse
Output, Phase A
Output the encoder divided pulse output sig-
nals with a 90° phase differential.
Encoder Divided Pulse
Output, Phase B
Encoder Divided Pulse Outputs the origin signal once every encoder
Output, Phase C rotation.
Signal ground This is the 0-V signal for the control circuits.
Connected to the frame ground if the shield of
Frame ground the I/O Signal Cable is connected to the con-
nector shell.
4.5.1 I/O Signal Connector (CN1) Names and Functions
Function
Function
4.5 I/O Signal Connections
Reference
page 5-28
page 12-3
page 6-34
−
−
page 6-35
Reference
page 6-3
page 5-31
page 6-3
page 6-4
page 6-18
page 6-23
−
−
4
4-33