Datasheet

G-114 Safety Sensors / Components
G9SA-321-T# (24 VAC/VDC) with 2-channel Limit Switch Input/Manual-reset
Feedback loop
Motor controller
Timing Chart
Motor rotation
OFF-delay time
Open
Off delay
timer
Control
circuit
Operation
instruction
S1: Safety Limit Switch
with direct opening mechanism
(D4N or D4B)
S2: Limit switch
S3: Reset switch
KM1 and KM2: Magnetic Contactor
M: 3-phase motor
Limit switches
S1 and S2
Reset switch
S3
K1 and K2
(NC)
K1 and K2
(NO)
K3 and K4
(NC)
K3 and K4
(NO)
KM1 and KM2
(NC)
KM1 and KM2
(NO)
Operation
instruction
Note: This circuit achieves EN954-1 Safety Category 4.
The OFF-delay output, however, achieves EN954-1
Safety Category 3.
F502-EN2-04.book Seite 114 Dienstag, 26. Juli 2005 5:48 17