G9SX-GS
30
Operation
Functions
Auto Switching Function
The following table shows the relationship between the safety inputs
and safety outputs of the G9SX-GS@ when auto switching is
selected.
Note: 1. If the logical AND connection input is enabled, it must be ON
as a necessary condition for the above table.
2. Select either auto reset or manual reset for the reset mode,
depending on the operation of the application.
Manual Switching Function
As shown in the following table, the relationship between the safety
inputs and safety outputs of the G9SX-GS@ depends on the setting
of the connected mode selector when manual switching is selected.
Mode Selector = Normal Operating Mode
(M1 = ON, M2 = OFF)
Mode Selector = Maintenance Mode (M1 = OFF, M2 = ON)
Note: 1. If the logical AND connection input is enabled, it must be ON
as a necessary condition for the above table.
2. Select either auto reset or manual reset for the reset mode,
depending on the operation of the application.
Logical AND Connection
The logical AND connection means that one Unit (Unit A) outputs a
safety signal “a” to a subsequent Unit (Unit B) and Unit B calculates
the logical AND between safety signal “a” and safety signal “b.” In the
example shown below, the logical AND connection results in a safety
output of “a AND b” for Unit B.
External Indicator Outputs
The operator can be notified of two safety input states (enabled/
disabled) by connecting external indicator outputs UA and UB to
indicators. External indicator outputs UA and UB turn ON when safety
inputs A and B, respectively, are disabled, and turn OFF when safety
inputs A and B, respectively, are enabled.
If error monitor output X2 turns ON, UA and UB will both turn OFF.
Auto Switching Selected
Manual Switching Selected
Note: Fault of external indicators can be detected. (Refer to page 32.)
Auxiliary Outputs
Auxiliary outputs X1 to X4 can be used to notify the operator of input,
output, and error states, as shown in the following table.
Connecting Expansion Units
• The G9SX-EX and G9SX-EX-T Expansion Units can be connected
to the G9SX-GS226-T15-@ to increase the number of safety
outputs.
• A maximum of five Expansion Units can be connected to one
G9SX-GS226-T15-@. This may be a combination of the G9SX-EX
Instantaneous Expansion Unit and the G9SX-EX-T OFF-delayed
Expansion Unit.
• Remove the terminating connector from the receptacle on the
G9SX-GS226-T15-@ and insert the Expansion Unit cable
connector into the receptacle. Insert the terminating connector into
the receptacle on the Expansion Unit at the very end (rightmost).
• When Expansion Units are connected to the G9SX-GS226-T15-@,
make sure that power is supplied to every Expansion Unit. (Refer
to the following diagram for actual Expansion Unit connections.)
Safety input A ON ON OFF OFF
Safety input B ON OFF ON OFF
Safety output ON ON ON OFF
Safety input A ON ON OFF OFF
Safety input B ON OFF ON OFF
Safety output ON OFF ON OFF
Safety input A ON ON OFF OFF
Safety input B ON OFF ON OFF
Safety output ON ON OFF OFF
a
a b
a (AND) b
Unit B
Unit A
External
indicator output
Description of
operation
Output ON condition
UA
Safety input A is
disabled.
Safety input B is ON.
UB
Safety input B is
disabled.
Safety input A is ON.
External
indicator output
Description of
operation
Output ON condition
UA
Safety input A is
disabled.
Mode selector switch
must be set to normal
operating mode.
UB
Safety input B is
disabled.
Mode selector switch
must be set to
maintenance mode.
Terminal
name
Signal name Output ON condition
X1
Auxiliary
monitor output
X1 is ON when the instantaneous
safety output is ON.
X2
Auxiliary
error output
X2 is ON when the error LED is
lit or flashing.
X3
Input A
monitor
X3 is ON when safety input A is
ON.
X4
Input B
monitor
X4 is ON when safety input B is
ON.
ED
PWR
A2X2
44342414
A1
33 4313 23
No.
G9SX
-
EX
24VDC
ED
PWR
A2X2
44342414
A1
33 4313 23
No.
G9SX
-
EX
24VDC
No.
OFF-DELAY
0.5
0.4
0.3
0.2
15
10
7
5
4
3
2
1.5
1
0.6
0.7
0
S54S44S34S24S14 L1
A2T42T41T22T21
A1X2X1Y1T12T11
T33T31
T1
ERR
EI
AND
FB
ED
T2
PWR
T32
G9SX
-
AD322
-
T15
ED
PWR
A2X2
44342414
A1
33 4313 23
No.
G9SX
-
EX
24VDC
ED
PWR
A2X2
44342414
A1
33 4313 23
No.
G9SX
-
EX
24VDC
ED
PWR
A2X2
44342414
A1
33 4313 23
No.
G9SX
-
EX
24VDC
Expansion Units
Terminating
connector
G9SX-GS226-T15-@
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