Yamaha RCX240, Supporting Supplement Manual

Page: 62 / 92

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2
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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