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2. Functions of each Unit
2-5 Expansion Unit
By connecting an Expansion Unit to the G9SX-AD/ADA, G9SX-NSA, or G9SX-GS, safety relay contact outputs can
be added that are synchronized with the safety outputs of the Unit to which the Expansion Unit is connected.
■ G9SX-EX-@
Safety Outputs (Safety Relay Outputs)
Instantaneous outputs
OFF-delayed outputs
Logical AND Connections
Number of inputs
Number of outputs
Required Settings and Wiring
Item
Logical AND connection
input enable/disable
Cross fault detection mode
Reset mode
OFF-delay time
Switching mode
External indicator fault
diagnosis mode
Note: Refer to 2-10 Connecting Expansion Units on page 69.
LED Indicators
Marking
Color
PWR
Green
EI
Orange
ERR
Red
G9SX
48
USER'S GUIDE
4 outputs
None
None
None
G9SX-EX
Page
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Name
Power supply indicator
Safety output indicator
Error indicator
G9SX-AD
Insert the
connector
G9SX-ADA
G9SX-NSA
G9SX-GS
G9SX-EX
Safety
Instantaneous
Output
PWR
EI
ERR
Insert the
connector
G9SX-EX
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