17
English
7.2 Supply voltage
For the voltage suppl��,
either
mains voltage (230 V AC 50/60 Hz) or low
voltage (24 V AC/DC) ma�� be used. The suppl�� line to the switching unit must
be protected with an appropriate fuse.
Never apply both voltages simultaneously!
The 230 V suppl�� voltage must be connected to terminals
L1 and N
. When operated
with 24 V, the device is to be connected to terminals
24 V AC/DC .
7.3 Connecting the stationary coil core
Connect the stationar�� coil core to terminals
Transmit 1 + 2
; no special attention is
required for polarit��.
The cable for the coil core is connected using the supplied crimp connectors or b��
directl�� soldering the wire to the connectors.
7.4 Connecting the stationary contact edges
The stationar�� safet�� contact edge(s)
(SCE)
on the leading pillar for the opening
movement is (are) connected to the
Stationary Opening
terminal pair. If several
SCEs are being used, the�� must be connected in series and the end edge must be
terminated using an 8.2 kΩ resistor.
The stationar�� SCE(s) for the closing movement is (are) connected accordingl�� to the
Stationary Closing terminal pair .
If one or both channels for the stationary SCE are not used, the supplied 8.2 kΩ
resistors are to be connected to the respective channels.
7. Connecting the device
7.1 Prerequisites
•
The suppl�� voltage used for the ISK 74-312 must compl�� with the requirements for safet�� low voltage (SELV).
• Cables installed outdoors or outside of the switching cabinet must be protected appropriatel��.
• The protection class specified for this device is onl�� ensured if the suppl�� lines have been properl�� clamped
to the screw connections.
6.3 Connection terminals
STOP Opening terminals
rela�� output for controller - stop opening
STOP Closing terminals
rela�� output for controller - stop closing
STATIONARY Opening terminals
safet�� contact edges - leading pillar opening
STATIONARY Closing terminals
safet�� contact edges - leading pillar closing
Transmit 1, 2 terminals
stationar��
coil core
24 V AC/DC terminals
24 V AC/DC suppl�� voltage
L1 N terminals
230 V suppl�� voltage
Pulse
Error message
1
Voltage suppl�� outside of the valid value range
2
ISK transmission error
3
Output control Open fault��
4
Output control Close fault��
5
Data transmission with microcontroller fault��
If no error is present, then LED Power shows the function control (briefl�� off).
During the output of an error
message, the number of output pulses indicates the error: