4
1
2
3
5
6
5-4
Chapter 5 EXTERNAL SAFETY CIRCUIT EXAMPLES
5.1.2.1 Category 4
A safety circuit configuration example of category 4 is shown below.
GND
GND
T11
T12
T21
T22
T31 T32
RPB-E emergency stop
Output 1
Output 2
Input 2
Input 1
13
14
23
24
RPB-E emergency st
T11
T12
T21
T22
RPB-E enable
Output 1
Output 2
Input 2
Input 1
S24
S14
RPB-E enable
T11
T12
T21
T22
T41
L1
T31 T32
External emergency stop
T42
Input 2
Input 1
Door switch
Input 2
Input 1
A
B
GND
GND
AC IN
L1
N1
AC OUT
L
N
Reset switch
E-STOP24V
SRL1
SRL3
SRL4
SRL2
S3
S1
S4
KM1
KM2
SAFETY
SAFETY
OUT
Maintenance switch
Input 2
Input 1
S2
E-STOPRDY
+24V
N.COM
MPRDY
SERVICE(DI02)
P.COM
AUTO SERVICE
T11
T12
T21
T22
T31
T32
T33
S14
S24
S44
S54
T61
T62
T71
T72
M1
M2
+24V
A
B
M1
M2
ON
OFF
OFF
OUT
B
A
Y1
Enable 11
Enable 12
Enable 21
Enable 22
Enable 11
Enable 12
Enable 21
Enable 22
Service 1
Service 2
Input 3
Service 1
Service 2
33
34
43
44
T23
GND
GND
T33
+24V
Y1
S24
S14
T33
S44
S34
+24V
S54
Y1
A2
T42
T41
L2
L1
L2
Y2
*1
KA2
KA3
KA4
KA5
KA1
+24V
GND
+24V
GND
L1 A2 T31T32
*1: Wiring to check whether the controller is normal when using an alarm to shut off the main power
ON
Parts list
Circuit No.
Part name
Type No.
Manufacturer
S1
Reset switch
A22 series
OMRON
S2
Key selector switch
A22 TK series
OMRON
S3
Safety door switch
D4 series
OMRON
S4
Emergency stop switch
A22E series
OMRON
KM1, 2
Contactor (mirror contact)
LC1-D18
Schneider Electric
KA1 to 5
Safety relay
G7SA-3A1B
OMRON
Socket for safety relay
P7SA-10F-ND
OMRON
SRL1
Safety relay unit
G9SX-GS226
OMRON
SRL2
Safety relay unit
G9SX-AD322
OMRON
SRL3
Safety relay unit
G9SX-BC202
OMRON
SRL4
Safety relay unit
G9SA-GS501
OMRON
5.1 External safety circuit examples
Содержание CEmarking RCX221
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