July 2004
Intermediate to advanced
352 pages
9h 30m
English
Content preview from Mitsubishi FX Programmable Logic Controllers, 2nd Edition
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//INTEGRAS/ELS/PAGINATION/ELSEVIER UK/PLC/3B2/FINALS-7-6-04/0750656794-CH01 0.3D – 113 – [111–115/5]
19.6.2004 9:10PM
10.3 Emergency stop ci rcuit ^ PNEU1
FX2N PLC
TYPE MR
230 V
MAINS
SUPPLY
L
N
E
+24 V
0 V
S/S
RUN
RUN
START
CYCLE
X0
STOP
CYCLE
X1
A –
X2
A +
X3
B –
X4
B +
X5
SOL A
()
Y0
SOL B ( ) Y1
COM1
R1a
R2a
R3a
+
24 Volt
Power Supply
–
R1b R2b R3
RESET
o
o
o
oo
oo
oo
oo
oo
oo
o
| / | | / |
( ) R1, R2 and R3
are electro-magnetic
safety relays
R3b R1
EMERGENCY
STOP
oo
| |
( )
R1c
| |
R3c R2
| |
( )
R2c
| |
Figure 10.1
Safety 113
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