Omron G9SX Series - G9 SX-GS Safety Sensor Connection; Safety Sensor Connection Guidelines

29
G9SX-GS
Connecting Safety Sensors and G9SX-GS@
1. To input the control output from safety sensors to the G9SX-GS@,
the Y1 terminal must be connected to 24 VDC when the control
output is connected to channel A. Likewise, the Y2 terminal must
be connected to 24 VDC when the control output is connected to
channel B. The G9SX-GS@ will detect a connection error if these
terminals are not connected to 24 VDC.
2. In many cases, safety sensor outputs include an OFF-shot pulse
for self diagnosis.
The following condition of test pulse is applicable as safety inputs
for the G9SX.
• OFF-shot pulse width of the sensor, during the ON-state: 500 μs
max.
Signal name
Terminal
name
Description of operation Wiring
Instantaneous
safety outputs
S14, S24
Turns ON/OFF according to the state of the safety
inputs, feedback/reset input, and logical AND
connection input.
During OFF-delay state, the instantaneous safety
outputs cannot turn ON.
Keep these outputs open when not used.
OFF-delayed
safety outputs
S44, S54
OFF-delayed safety outputs.
The OFF-delay time is set by the OFF-delay preset
switch.
When the delay time is set to zero, these outputs can
be used as instantaneous safety outputs.
Keep these outputs open when not used.
Logical AND
connection output
L1
Outputs a signal of the same logic as the instantaneous
safety outputs.
Keep this output open when not used.
Auxiliary monitor
output
X1
Outputs a signal of the same logic as the instantaneous
safety outputs
Keep this output open when not used.
Auxiliary error
output
X2 Outputs when the error indicator is lit or blinking. Keep this output open when not used.
Auxiliary monitor
outputs
X3, X4
X3 outputs a signal that is synchronized with and has
the same logic as the input state of safety input A.
X4 outputs a signal that is synchronized with and has
the same logic as the input state of safety input B.
Keep these outputs open when not used.
External indicator
outputs
UA, UB
Outputs the disabled state of the safety input.
UA outputs a signal that is synchronized and has the
same logic as the disabled state of safety input A.
UB outputs a signal that is synchronized and has the
same logic as the disabled state of safety input B.
Keep these outputs open when not used.
500 μs max.