FAAC E721, Manual

Page: 8 / 22

E721 7 532014 - Rev.E
OPEN A
GND
OPEN B / CLOSE
SAFE / STOP
FSW OP
GND
FSW CL
+24V
OPEN A
GND
SAFE
/ OPEN B / CLOSE
STOP
FSW OP
GND
FSW CL
+24V
- OUT
- OUT
-
OPEN A
GND
OPEN B / CLOSE
SAFE / STOP
FSW OP
GND
FSW CL
+24V
OPEN A
GND
SAFE
/ OPEN B / CLOSE
STOP
FSW OP
GND
FSW CL
+24V
-
ENGLISH
Connection of a safety device (other safety devices) to the SAFE input with the FAIL SAFE function enabled
Other safety
devices
Other safety
devices
By setting: 2nd level
o1=01
(FAIL SAFE ENABLED)
2nd level
SP=01
(INPUT 4 = SAFETY EDGE SAFETY)
By setting: 2nd level
o1=01
(FAIL SAFE ENABLED)
2nd level
Ob=02
(INPUT 3 = SAFETY EDGE SAFETY)
Connection of a safety device (other safety devices) to the SAFE input with the
FAIL SAFE function disabled
By setting: 2nd level
o1=00
(FAIL SAFE DISABLED)
2nd level
SP=01
(INPUT 4 = SAFETY EDGE SAFETY)
By setting: 2nd level
o1=00
(FAIL SAFE DISABLED)
2nd level
Ob=02
(INPUT 3 = SAFETY EDGE SAFETY)
Other safety
devices
4.3 SAFE INPUT CONNECTIONS
In case N.C. contact devices are not used (other safety devices) the SAFE input must be jumpered to -OUT
with FAIL SAFE enabled or to GND with FAIL SAFE disabled.
If the Fail Safe safety device is enabled (parameter that can be set in programming level 2), the negative
used for managing the SAFE input is - OUT (see Fig. 13).
If the Fail Safe safety device is disabled (parameter that can be set in programming level 2), the negative
used for managing the SAFE input is -
(see Fig. 14).
Fig. 13
Fig. 12
Connection of a pair of closing photocells, a pair of open-
ing photocells and a pair of opening/closing photocells
Connection of no safety and stop device
Fig. 11
Other safety
devices
Fig. 14