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3 Specifications
G5-series AC Servomotors and Servo Drives User’s Manual (with Built-in EtherCAT Communications)
3-1 Servo Drive Specifications
3
3-1-15 Safety Connector Specifications (CN8)
z Safety I/O (CN8)
z Connector for CN8 (8 pins)
Note The recommended cable is a 6-core shielded cable with a wire size of AWG30 to AWG26 and a finished
outer diameter of 6.7 mm or less.
3-1-15 Safety Connector Specifications (CN8)
Connection of Safety I/O Signals and Processing of External Signals
Safety I/O Signal Table
Pin No. Symbol Name Function and interface
1 − Reserved Do not connect.
2 −
3SF1− Safety input 1 Inputs 1 and 2 for operating the STO function, which are 2
independent circuits. This input turns OFF the power
transistor drive signals in the Servo Drive to cut off the
current output to the motor.
4SF1+
5SF2− Safety input 2
6SF2+
7EDM− EDM output A monitor signal is output to detect a safety function failure.
8EDM+
Shell FG Frame ground Connected to the ground terminal inside the Servo Drive.
Name Model Manufacturer OMRON model number
Industrial Mini I/O
Connector
(D-SHAPE1)
2013595-1 Tyco Electronics AMP KK R88A-CNK81S
SF1+
External
power supply
12 VDC ± 5% to
24 VDC ± 5%
SF1-
4
3
SF2+
External
power supply
12 VDC ± 5% to
24 VDC ± 5%
SF2-
6
8
EDM+
EDM-
FG
7
5
10 Ω
4.7 kΩ
1 kΩ
4.7 kΩ
1 kΩ
Maximum service voltage:
30 VDC or less
Maximum output current:
50 mADC
Shell
Leakage current:
0.1 mA max.
Residual voltage:
1.7 V max.
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