Omron G9SP Series

9
Function Blocks Section 2-1
2-1-2 Timer/Counter Functions
2-1-3 Safety Device Function Blocks
Name Notation on
Function List
Icon Details Support by
NE1A-series
Controllers
Page
Off-Delay Timer Off-Delay
Timer
Operates an OFF-delay timer. All unit versions 34
On-Delay Timer On-Delay
Timer
Operates an ON-delay timer All unit versions 34
Pulse Genera-
tor
Pulse Genera-
tor
Cyclically outputs ON/OFF pulses on the Out-
put Enable while the input signal is ON.
NE1A-series
Controllers with
unit version 1.0 or
later
35
Counter Counter Counts the number of input signals and turns
ON the output when the count reaches the
specified number.
NE1A-series
Controllers with
unit version 1.0 or
later
36
Up-Down
Counter
Up-Down
Counter
Increments the counter on the rising edge of an
up count input and decrements the counter on
the rising edge of a down count input.
Not supported. 38
Serial-Parallel
Converter
Serial-Parallel
Converter
Counts the number of input signals and outputs
the count value.
Not supported. 38
Name Notation on
Function List
Icon Details Support by
NE1A-series
Controllers
Page
External Device
Monitoring
EDM Evaluates the input signal and external device
status and sends a safety output to the external
device. This function block is used to detect
fused contacts or external wiring problems (dis-
connected lines) for safety relays, contactors,
and other safety devices.
All unit versions 43
Enable Switch Enable Switch Monitors the status of an enable switch device. NE1A-series
Controllers with
unit version 1.0 or
later
44
Emergency
Stop Switch
Monitoring
E-STOP Monitors the status of an emergency stop
switch.
All unit versions 47
Light Curtain
Monitoring
Light Curtain
Monitoring
Monitors the input signal from a Safety Light
Curtain.
All unit versions 48
Muting Muting Temporarily disables the input signals for a
Light Curtain when the muting signal is
detected.
NE1A-series
Controllers with
unit version 1.0 or
later.
50
Safety Gate
Monitoring
Safety Gate
Monitoring
Temporarily disables the input signal for a
Safety Gate (e.g., safety door switch or safety
limit switch) when the muting signal is detected.
This function block can be used to set function
tests for Safety Category 2.
All unit versions 65
Two Hand Con-
troller
Two Hand
Controller
Monitors the status of a Two-hand Switch. All unit versions 70
User Mode
Switch Monitor-
ing
User Mode
Switch
Monitors the operating mode switch for a user
system or device.
All unit versions 72