Advertisement
G9SX-BC202 (24 VDC) (2-channel Emergency Stop Switch Input / Manual Reset) +
G9SX-AD322-T15 (24 VDC) (2-channel Safety Limit Switch Input / Auto Reset)
11
21
12
22
S1
S2
A1
T11
T12 T21 T22 T31 T32 T33 Y1
G9SX-BC202
+24 V
Control circuit
A2
S14
S24
L1 L2
KM1 KM2
GND
23
S4
24
11
S3
12
open
+24
A1
T11
T12 T21 T22 T31 T32 T33 Y1
G9SX-AD322-T15
Control circuit
A2
S14
S24 S34 S44 S54 L1 X1 X2
KM3 KM4
KM5 KM6
GND
Motor controller
(Operation command)
Note: This example corresponds to category 4 (EN 954-1).
22
Flexible Safety Unit
Feedback Loop
KM1
KM2
KM 1
+24 V
KM2
NC
S1: Emergency Stop Switch
S2: Reset Switch
KM1, KM2: Contactor
M1: 3-phase motor
X1 X2
PLC etc.
Feedback Loop
KM3
KM3
KM4
KM 4
KM5
KM6
M2
+24
V
NC
AND
T41 T42
OFF
PLC etc.
S3: Safety limit switch
S4: Limit switch
KM3 to KM6: Contactor
M2, M3: 3-phase motor
G9SX
M1
S34
Motor controller
KM5
KM6
M3
Timing chart
G9SX-BC202 (upper unit)
Emergency stop switch S1
Reset switch S2
KM1, KM2 N.C. contact
KM1, KM2 N.O. contact
Logical AND output L1
G9SX-AD322-T15 (lower unit)
Logical AND input T41
Safety limit switch S3
Limit switch S4
KM3, KM4 N.C. contact
KM5, KM6 N.C. contact
KM3, KM4 N.O. contact
KM5, KM6 N.O. contact
Operation command
Rotation of motor
(1) Door opened: Only the lower Unit stops.
(2) Emergency stop button pressed: Both the upper and lower Unit stop.
(2)
(1)
OFF-delay time
OFF-delay time
Advertisement
