Omron D40A-G9SX-NS Brochure page 4

Reduce Costs with these New-Concept Controllers
Two Controllers are required for emergency stop switches and
Issue 1
non-contact door switches.
Application
●One hazard.
●The system must be stopped
when either a door is opened
or an emergency stop switch
is pressed.
The G9SA must be
added to connect the
emergency stop
switch.
Another Controller has to be added to use an OFF-delay timer.
Issue 2
Application
●Two hazards.
●
The power supply must be
turned OFF immediately when
the emergency stop switch is
pressed.
●
When a door is opened, a stop
signal is sent to only
servomotor B and then the
power supply is turned OFF.
The G9SA must be
added to use an
OFF-delay timer.
* Always use a manual reset when using an emergency stop.
D40B
D40B-J1
Emergency
stop switch *
G9SA
Two
Controllers
D40B
D40B-J1
Emergency
stop switch *
Wiring
G9SA G9SA-321-T@
OFF-delay
output
Three
A B
Controllers
Refer to G9SX for the features of the G9SX Series.
Emergency
stop switch *
Solution 1
The D40A
Simplifies the
Configuration
With only one
G9SX-NSA222-T03@
Controller, both a
Non-contact Door Switch
and an emergency stop
switch can be connected.
Solution 2
The D40A
Simplifies the
Configuration
A Controller can be
eliminated because the
G9SX-NSA222-T03@
A
provides an OFF-delay
output.
D40A/G9SX-NS
D40A
G9SX-NSA
One
Controller
Emergency
D40A
stop switch *
G9SX-NSA
G9SX-BC
Logical AND
connection
B
Two
Controllers
4