Omron Sti G9SX-SM032 Series, User Manual

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

KM2
KM1
+24V +24V +24V +24V
KM1 KM2
PLC etc.
NC NC NC NC NC
Feedback loop
S14 A2 S24 S44 S54 L1 X1 X2 X3 X4 UA UB
T11 A1 T12 T21 Y1 Y3 T22 T61 T62 M1 M2 T71 Y2 Y4 T72 T31 T32 T33 T41 T42
OFF
AND
Auto
Manual
G9SX-GS226-T15
Control circuit
+24V
Emergency
stop switch
Reset Switch
fault non-detect
lamp lamp
G9SX-BC202
Control circuit
S14 L2 X1 X2
Y1 A1 T33 T32 T22 T11 T12
11
12
21
22
T21 T31
L1 A2 S24
+24V +24V
PLC etc.
NC
G9SX-SM032(DC24V) <3-phase motor>
+ G9SX-BC202(DC24V) <Emergency stop switch 2ch input / manual reset>
+ G9SX-GS226-T15(DC24V)
<Guard lock safety-door Safety limit switch 2ch input / manual reset>
Inverter
open
A2 ES1 ES2 ES3 X1 X2
T31 A1 T32 Z1 Z2 Z2 Z3 Z4
+24V
PLC etc.
G9SX-SM032
Control circuit
Guard
42
41
12
11
22
21
E1 E2
M
KM2
KM1
Lock release
switch
S6
Guard lock
Safety-door Switch
U V W
Inverter
S3
S2
S1
S5
S4
Note1: This example is corresponding to category 3 (Stop category 2).
Refer to ‘7 Safety Category(EN ISO13849-1) for details.
Note2: Power for the inverter is cut when the motor rotation is detected
in this system with a guard open.
Its response time is an accumulation of G9SX-SM and G9SX-GS.
Determine a safety distance to hazards in view of this response
time.
Timing chart
Emergency stop S1
Guard lock Safety-
door switch S3
Reset switch S2
Logical AND connection
input T41
Reset switch S5
Safety limit switch S4
KM1, KM2 NC contact
KM1, KM2 NO contact
Inverter operation
(signal for motor)
Lock release signal
Safety Standstill
detection output ES
Standstill detection
input 1 voltage
Standstill detection
input 2 voltage
Lock release switch S6
S1
KM1, KM2
M
: Emergency switch
S2 : Reset switch
S3 : Guard lock Safety-door switch
S4 : Safety limit switch
S6 : Lock release switch
S5 : Reset switch
: Contactor
: 3-phase motor
Devices
Motor rotation
Guard open

close Guard close

open
able to open the guard
rotate with inertia
 For protecting the motor against short-circuit
due to incorrect wiring, etc., apply overcurrent
protective equipments; fuses, circuit-breaker, etc.,
with the ratings below.
Rated voltage: Greater than Standstill detection inputs
(the voltage supplied to the motor)
Rated current: 3A max
 When a motor with AC240V or more is used,
connect neutral point of the power supply to earth.
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