10.2.4 Extension unit EXU-SI
Functions
This extension unit has inputs for electro-mechanical lock, program selector, batteries, KILL function, OPEN/CLOSE,
KEY opening and outer impulse.
1
ON
2 3 4 5
1 2 3 4 5 6 7 8 9 10 11 12 13
1
ON
2 3 4 5
+24 V DC
OPEN
EXIT
OFF
UNL
KRST
KILL
KEY
O/C
OIMP
GND
–
+
0.5 s
0 s
3 s
Program selector
Unlocked signal from lock
KILL reset (see jumper below)
KILL impulse
KEY impluse (5 s)
OPEN / CLOSE impulse (latching relay)
Outer impulse
Ground
Electro-mechanical locking device (12V DC max. 500 mA /
24 V DC max 250 mA, see DIP-switch No. 1 below)
Potentiometer for opening delay
2)
Manual kill reset (jumper off)
Automatic kill reset (jumper on)
Battery monitoring
Lock kick
1)
Lock release
2)
Locked without power (OFF) / with power (ON)
Lock 12 V (OFF) / 24 V (ON)
DIP-switches
shown in OFF
position
Battery backup unit
Position OFF: Smooth closing, to be used on doors without lock.
Position ON: More powerful closing, to be used on doors with lock, to overcome binding in the locking device.
1)
If the switch is set to ON, the LOCK RELEASE is active during the opening delay time set by the potentiometer.
For PAIR OF DOORS installations, the LOCK RELEASE works in sequence: First the primary then the secondary.
2)
Note! Lock only functions when Program Selector is in OFF or EXIT.
If a program selector is not used, a jumper is required from position 3 to position 11.
1005088-en-22.0Issue 2021-02-2446
10 Electrical connection
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