Examples of application
5
Application and timing chart
Note1: This example is corresponding to category 3(EN ISO 13849-1)
Motor controller
:Emergency stop switch
:Reset switch
:Contactor
:3-phase motor
S14
A2
S24 S44 S54
L1
X1 X2
L2
T11
A1
T12 T21 T22 T31 T32 T33 Y1 T41 T42 T51 T52
G9SX-ADA222-T150
Control circuit
Timing chart
KM2
KM1
Feadback Loop
+24V
12
11
+24V
KM1 KM2
Off-deley time
Emargency stop switch S1
Operation command
S14
M1
KM2
KM1
OFF
AND
S1
NC
NC
NC
NC
NC
NC
Motor Controller
(Operation command)
KM1,KM2 NC contact
KM1,KM2 NO contact
Rotation of motor
S1
KM1,KM2
M1
S2
Devices
S2
Reset switch S2
T41 T51
+24V
G9SX-ADA222-T150 (24VDC)
(2-channel emergency stop switch input / Manual reset)
PLC etc.
Pushed the E-stop switch
Feedback Loop
Feedback Loop
Feedback Loop
Feedback Loop
Note1: This example is corresponding to category 4(EN ISO 13849-1)
S14
A2
S24 S34 S44 S54
L1
X1 X2
T11
A1
T12 T21 T22 T31 T32 T33 Y1 T41 T42
S14
A2
S24 S34 S44 S54
L1
X1 X2
T11
A1
T12 T21 T22 T31 T32 T33 Y1 T41 T42
S14
A2
S24
L1 L2
X1 X2
T11
A1
T12 T21 T22 T31 T32 T33 Y1
Emergency stop switch S1
Reset switch S2
Logic AND output L1,L2
Logic AND output L1
Logic AND output L1
Logic AND input T41
KM2
KM1
S2
12
11
21
22
+24V
KM1 KM2
M1
KM2
KM1
PLC etc.
KM4
KM3
+24V
+24V
+24V
KM3 KM4
S3
S4
KM3,KM4
:Safety limit switch
:Limit switch
:Contactor
S5
S6
KM5,KM6
:Safety limit switch
:Limit switch
:Contactor
Limit switch S4
Safety limit switch S3
M3
KM6
KM5
S14
M4
KM8
KM7
Motor
controller
M2
KM4
KM3
OFF
AND
PLC etc.
S1
NC
NC
Timing chart
(Unit A)
Timing chart
(Unit B)
Devices
(Unit B)
S1
S2
KM1,KM2
:Emergency stop switch
:Reset switch
:Contactor
M1
:3-phase motor
M2
:3-Phase motor
M3
:3-Phase motor
S7
S8
KM7,KM8
:Safety limit switch
:Limit switch
:Contactor
M4
:3-Phase motor
Devices
(Unit A)
Devices
(Unit C)
Devices
(Unit D)
open
23
24
11
12
S4
S3
KM6
KM5
+24V
+24V
KM5 KM6
OFF
AND
PLC etc.
NC
open
23
24
11
12
S6
S5
KM8
KM7
open
23
24
11
12
S8
S7
+24V
+24V
NC
KM3,KM4 NC contact
KM3,KM4 NO contact
KM1,KM2 NC contact
KM1,KM2 NO contact
Logic AND input T41
Logic AND input1 T41
Logic AND input2 T51
Off-delay time
Limit switch S8
Safety limit switch S7
Limit switch S6
Safety limit switch S5
Off-delay time
Off-delay time
Timing chart
(Unit C)
Timing chart
(Unit D)
KM5,KM6 NC contact
KM5,KM6 NO contact
G9SX-AD322-T15(Unit B)
Control circuit
G9SX-BC202(Unit A)
Control circuit
KM7,KM8 NC contact
KM7,KM8 NO contact
Rotation of motor
Motor controller
(Operation command)
Operation command
S14
A2
S24 S44 S54
L1
X1 X2
L2
T11
A1
T12 T21 T22 T31 T32 T33 Y1 T41
T41 T51
T42 T51 T52
G9SX-ADA222-T150(Unit D)
Control circuit
KM7 KM8
OFF
AND
PLC etc.
G9SX-AD322-T15(Unit C)
Control circuit
G9SX-BC202 (24VDC) (2-channel emergency stop switch input / Manual reset)
+ G9SX-AD322-T15 (24VDC) (2-channel safety limit switch input / Auto reset)
+ G9SX-AD322-T15 (24VDC) (2-channel safety limit switch input / Auto reset)
+ G9SX-ADA222-T150 (24VDC) (2-channel safety limit switch input / Auto reset)
Pushed the E-stop switch
Terminal
Name
T11,
T12
A1,
A2
T21,
T22
T31,
T32,
T33
T41,
T42
Y1
S44,
S54
X2
X1
L1,
L2
S14,
S24
To set Safety solid-state outputs in ON state,
HIGH state signals must be input to both of
Safety input 1 and Safety input 2
Otherwise Safety solid-state outputs cannot
be in ON state.
The input terminals for power supply.
Connect the power source to the A1 and A2 terminals.
Connect the power supply plus to the A1 terminal.
Connect the power supply minus to the A2 terminal.
Wiring of inputs and outputs
Feedback loop
T11 T12 T21 T22
Y1
+24V
+24V
T11 T12 T21 T22
Y1
+24V
+24V
+24V
T11 T12 T21 T22
Y1
NC
KM
+24V
T31
T33
T32
Feedback loop
KM +24V
T31
T33
T32
Reset
Switch
Logical AND connection sig. (1st layer)
Logical AND connection sig. (2nd layer)
Next unit (5layers Max.)
To set Safety solid-state outputs in ON state,
ON state signal must be input to T33.
Otherwise Safety solid-state outputs cannot
be in ON state.
To set Safety solid-state outputs in ON state,
the signal input to T32 must change from
OFF state to ON state, and then to OFF state.
Otherwise Safety solid-state outputs cannot
be in ON state.
Logical AND connection means that lower unit
(Unit C) calculates the logical multiplication (AND)
of the safety output information from upper unit
(Unit A, Unit B) and safety input signal "c", which
is input to lower unit.
In the example in the right, the safety output of
Unit C is "a" AND "b" AND "c".
Selects a mode of failure detecting (Cross
fault detecting) function for safety inputs of
G9SX corresponding to the connection of
Cross fault detection input.
Turns ON/OFF according to the state of safety
inputs, Feedback/Reset inputs, and
Logical AND connection inputs.
During off-delay state, safety solid-state outputs
are not able to turn ON.
Off-delayed safety solid-state outputs.
Off-delay time is set by off-delay preset switch.
When the delay time is set to zero, these
outputs can be used as non-delay outputs.
Outputs a signal of the same logic as Safety
solid-state outputs.
Outputs a signal of the same logic as Safety
solid-state outputs
Outputs during error indicator is lighting up or
blinking.
Auto reset
Manual reset
Keep these outputs Open when NOT used.
Keep these outputs Open when NOT used.
Keep these outputs Open when NOT used.
Keep these outputs Open when NOT used.
Keep these outputs Open when NOT used.
Signal Name
Safety input 1
Power supply
input
Safety input 2
Logical AND
connection input1
T51,
T52
Logical AND
connection input2
Feedback/
Reset input
Cross fault
detection input
Safety solid-state
output
Off-delayed
Safety solid-state
output
Logical connection
output
Auxiliary Monitor
output
Auxiliary Error output
Description of operation
Wiring
Keep Y1 open when using T11, T21. (Wiring corresponding
to category 4)
Connect Y1 to 24VDC when NOT using T11, T21.
(Wiring corresponding category 2 or 3, or when connecting
safety sensors and corresponding up to category 4.)
Connect L1 or L2 of upper unit to T41 or T51 of
lower unit, and connect GND of upper unit to
T42 or T52 of lower unit.
See
Relation between each Logical AND
connection preset switch and Safety output
state
for conditions for safety output to be in
the ON state.
Advanced unit
or Basic unit
Advanced unit
or Basic unit
L1 A2
G9SX-ADA222
L1
T41 T42 T51 T52
L2 A2
input c
input a
output(a)
output
(a&b&c)
Unit C
G9SX-ADA222
L1
T41 T42 T51 T52
L2 A2
input e
output
(a&b&c&e)
Unit E
G9SX-AD322
T41 T42
input d
output(b&d)
Unit D
Unit A
L1 A2
input b
output(b)
Unit B
Connecting Safety Sensors and G9SX
500
µ
s Max.
1) When connecting Safety sensors with G9SX, Y1 terminal must
be connected to 24VDC.
G9SX will detect the connection error, if Y1 terminal is open.
2) In many case, Safety Sensor outputs include the off-shot
pulse for its self test.
The following condition of test pulse is applicable as safety
inputs for G9SX.
- Off-shot pulse width of the sensor, during the ON-state :
500µs Max.
TYPE G9SX-ADA222-T
-
(Advanced Unit)
Terminal arrangement and LED indicators
FB
PWR
T33
T32
T52
T51
T31
X1
S54
T41
S14
T21
S24
T22
S44
Y1
T12
T11
X2
L1
T42
A1
L2
A2
T1
AND1
AND2
EI
T2
ED
ERR
Expected causes of the faults
Other
indicators
Checking points and
measures to take
Faults
ERR
indicator
1) Failures involving the wiring of Safety input 1
2) Incorrect setting of Cross fault detection mode.
3) Failures of the parts of the circuits of Safety input 1.
1) Failures involving the wiring of Safety input 2
2) Incorrect setting of Cross fault detection mode.
3) Failures of the parts of the circuits of Safety input 2.
1) Check the disturbance level around G9SX
and its related system.
2) Replace with a new product.
1) Check the wiring to T11 and T12.
2) Check the wiring to Y1.
3) Replace with a new product.
1) Check the wiring to T21 and T22.
2) Check the wiring to Y1.
3) Replace with a new product.
1) Check the wiring to T31, T32, and T33
2) Replace with a new product.
1) Failures involving the wiring of Feedback/Reset input.
2) Failures of the parts of the circuits of Feedback/Reset input
1) Improper feedback signals from Expansion units
2) Abnormal supply voltage to Expansion units
3) Failures of the parts of the circuits of Safety relay
contact outputs
1) Failures involving the wiring of Off-delayed
Safety relay contact outputs
2) Incorrect set values of Off-delay time
3) Failures of the parts of the circuits of Off-delayed
Safety relay contact outputs
4) Impermissible high ambient temperature
1) Failures involving the wiring of Logic AND
connection input1 or 2
2) Incorrect setting for Logic AND connection input1 or 2
3) Failures of the parts of the circuits of Logical
AND connection input1 or 2
1) Supply voltage outside the rated value
1) Check the wiring to S44 and S54
2) Confirm the set values of the two of
Off-delay time preset switches.
3) Replace with a new product.
4) Check the ambient temperature and
spacing around G9SX.
1) Check the wiring to T41 and T42 (T51 and T52)
* Make sure that the wiring length for T41, T42,
T51, T52 terminals is less than 100 meters,
respectively
* Make sure that the Logical AND connection
signal is branched for less than 4 units.
2) Confirm the set value of the Logical
AND connection preset switch.
3) Replace with a new product.
1) Check the supply voltage to Expansion
units.
Faults by electro-magnetic
disturbance or of internal
circuits.
1) By excessive electro-magnetic disturbance
2) Failures of the parts of internal circuits
Faults involved with
Safety input 1
Faults involved with
Safety input 2
Faults involved with
Feedback/Reset input
Faults of Expansion
units
Faults involved with
Safety solid-state outputs or
Logical connection outputs
Faults involved with
Off-delayed Safety
solid-state outputs
Faults involved with
Logic AND connection
input1 or Logic AND
connection input2
Supply voltage outside
the rated value
When G9SX detects a fault, ERR indicator and/or other indicators light up or blink to show the information of the fault.
Check and take needed measures referring to the following table. and then apply supply voltage to G9SX.
Fault Detection
7
Blink
T1 Blink
Light
up
T2 Blink
FB Blink
EI Blink
ED Blink
AND1 or AND2
Blink
When indicators other than ERR indicator while ERR indicator keeps lit off, check and take needed actions referring to the following table.
ERR
indicator
Mismatch between input 1 and input 2.
T1 Blink
or / and
T2 Blink
Light off
The other
indicators
Expected causes of the faults
1) Failures involving the wiring of Safety solid-state outputs
2) Failures of the parts of the circuits of Safety solid-state
outputs
3) Failures involving the wiring of Logical connection output
4) Failures of the parts of the circuits of Logical connection
output
5) Impermissible high ambient temperature
1) Check the wiring to S14, S24, and S34
2) Replace with a new product.
3) Check the wiring to L1 and L2
4) Replace with a new product.
5) Check the ambient temperature and
spacing around G9SX.
1) Check the connecting cable of Expansion units
and the connection of the termination socket.
2) Check the supply voltage to Expansion units.
* Make sure that all Expansion units' PWR
indicators are lighting.
3) Replace the Expansion unit with a new one.
Conditions
Expected causes of the faults
1) Input status between input 1 and input 2
is different, cause of contact failure or
short circuit of safety input device(s) or
any wiring fault.
1) Check the wiring from safety input devices to G9SX.
Or check the inputs sequence of safety input devices.
After removing the fault, turn both safety inputs to
OFF state.
The All
(without PWR)
indicators Blink
The G9SX can be used up to PL =e and Category 4 required by EN ISO 13849-1 European standard. Refer to the following link for the
Safety-relay characteristic data:
http://www.fa.omron.co.jp/safety_6en/
This does NOT mean that G9SX can always be used for required category under all the similar conditions and situations.
Conformity to the categories must be assessed as a whole system.
When using G9SX for safety categories, make sure the conformity of the whole system.
1) Input the signals to both of the Safety inputs (T11-T12 and T21-T22)
2) Input a signal to the Safety inputs (T11-T12 and T21-T22) through switches with Direct Opening Mechanism.
When using limit switches, at least one of them must have Direct Opening Mechanism.
3) When connecting Safety sensor with G9SX, use TYPE 4 safety sensor.
4) Input the signal through a NC contact of the contactor to Feedback/Reset input (T31-T32 for manual reset or T31-T33 for auto reset).(Refer to
'5.Examples of Application')
5) Keep Cross fault detection mode input (Y1) open. However, when connecting devices with self-diagnosis function, such as safety sensors,
apply 24VDC to Y1.
6) Be sure to Connect A2 to ground.
Performance Level and Safety category of EN ISO 13849-1
6
Using 1 safety
input channel
Using 2 safety
input channels
(cross fault
detection OFF)
Using 2 safety
input channels
(cross fault
detection ON)
22
21
