Yamaha RCX240, Supporting Supplement Manual

Page: 64 / 92

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Chapter 5 EXTERNAL SAFETY CIRCUIT EXAMPLES
5.1.2.3 Category 2
A safety circuit configuration example of category 2 is shown below.
RPB-E emergency stop
Output 1 Input 2
Input 1
RPB-E emergency st
RPB-E enable
Output 1 Input 2
Input 1
RPB-E enable
External emergency stop
Input 1
Door switch
Input 1
GND
AC IN
L1
N1
AC OUT
L
N
Reset switch
E-STOP24V
SRL1
S3
S1
S4
KM1
SAFETY
SAFETY
OUT
E-STOPRDY
N.COM
MPRDY
SERVICE(DI02)
P.COM
T11
T12
T21
T22
T31
T32
T33
S14
S24
S44
S54
T61
T62
T71
T72
M1
M2
+24V
A
B
M1 M2 OUT
B
A
Y1
Enable 11
Enable 11
Service 1
Service 2
GND
T42 T41
L1 L2
Y2
* 1
+24V
+24V
T11
T12
T21
T22
S24
S14
T33
+24V
Y1
+24V
+24V
KA2
KA1
SRL2
Maintenance switch
Input 2
Input 1
S2
AUTO SERVICE
Input 3
Service 1
Service 2
+24V
+24V
GND
+24V
GND
ON
ON OFF
OFF
L1 A2 T31 T32
*1: Wiring to check whether the controller is normal when using an alarm to shut off the main power
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 Contactor (mirror contact) LC1-D18 Schneider Electric
KA1, 2
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-BC202 OMRON
5.1 External safety circuit examples