1 General information
© 2021 Interflex Datensysteme GmbH IF-4070 Controller 5
GND Ground
IEEE Institute of Electrical and Electronics Engineers
NC contact Normally closed contact
NO contact Normally open contact
PoE Power over Ethernet
RFID Radio-Frequency Identification
SH Shield
SSH Secure shell
1.7 Cable lengths and cable types
Cable Function Max. Length Recommended cable type
230 V AC power supply to power supply unit (if not
pre-installed)
NYM 3 x 1.5mm
2
Network cabling: RJ45 patch cable, preferably shield
braiding
100 m From category 5
Cable to floating status contacts, control cable 100 m J-Y(St) Y 2 x 2 x 0.6mm
2
J-Y(St) Y 2 x 2 x 0.8mm
2
RS485 bus cable to parent or child devices 1200 m J-Y(St) Y 2 x 2 x 0.6mm
2
J-Y(St) Y 2 x 2 x 0.8mm
2
RS485 branch cable to bus cable 100 m J-Y(St) Y 2 x 2 x 0.6mm
2
J-Y(St) Y 2 x 2 x 0.8mm
2
Connecting cable between I/O controller board and
reader
100 m J-Y(St) Y 4 x 2 x 0.6mm
2
J-Y(St) Y 4 x 2 x 0.8mm
2
In long cables, voltage losses can impair the functionality of the connected device. Therefore, do not use
cables longer than specified in the table. Wire the +5 V and GND lines with two cores each for a cable
length > 50 m.