Omron SCC Series, Manual

Page: 16 / 20

SGE/SCC
16
Application Examples
(A Safety Relay Unit or Safety Controller other than the G9SB can be used.)
Note: The above PL is only the evaluation result of the example. The PL must be evaluated in an actual application by the customer after confirming
the usage conditions.
●
Application Overview
• The power supply to the motor M is turned OFF when pressure is applied to the edge.
• The power supply to the motor M is turned OFF when the S2 detects that the guard is opened.
• The power supply to the motor M is kept OFF until pressure is not applied to the edge (, the reset switch S1 is pressed for manual reset) and the guard is closed.
PL/safety category Model Stop category Reset
PLe/3 equivalent
Safety Edge/Edge Controller SGE+SCC
Safety Door Switch D4GS-N/D4NS/D4BS
Safety Relay Unit G9SB
0 Manual/Auto
24 VDC
+
−
SGE
Safety Edge
N o short-circ u it
8.2 kW
SCC-1224
SCC-1224
N D
(Man u al reset/DC po w er s u pply)
AC po w er s u pply
SCC a u to reset
S1
0V
A1
S11 S12
S11 S12
X1 X2
Z1 Z2
Z1 Z2
23
14 32
A2
B1
B2
A1
A2
B1
B2
KM2
KM1
M
31
24
13
G9SB-2002-A
K2
K1
Feed b ack loop
KM1
KM2
KM1 KM2
A1
A2
T11
T12 T31 T32
13 23
14 24 T21 T22
OPE N
S2
Note 1: This fig u re sho w s the SGE Safety Edge w ith no press u re on it and the S1 reset s w itch b efore it is pressed.
2: There is no polarity for X1 and X2.
31-32
2 to 3s
KM1 and KM2 (NO)
Safety door switch S2
KM1 and KM2 (NC)
G9SB
13-14, 23-24
Pressured
Not pressured
SGE
safety edge
SCC edge controller
13-14, 23-24
SCC-1224
Edge Controller
31-32
SCC-1224ND
Edge Controller
2 to 3s
KM1 and KM2 ( N O)
KM1 and KM2 ( N C)
G9SB
13-14, 23-24
SCC-1224 N D
Edge Controller
SCC-1224
Edge Controller
Safety door s w itch S2
31-32
Reset s w itch S1
SGE
safety edge
SCC edge controller
13-14, 23-24
31-32
2 to 3s 2 to 3s
Press u red
N ot press u red
S1: Reset switch
S2: Safety door switch
KM1 and KM2: Magnet contactor
M1: 3-phase motor
Timing Chart (SCC Auto Reset) Timing Chart (SCC Manual Reset)