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DICTATOR Technik GmbH · +49 (0)821 246730 · [email protected] · www.dictator.de · 22.06.22
Technical manual: SQUARE 940-2
4.13 SAFETY EDGE
IMPORTANT
Safety edges must be used in conjunction with the SQUARE 940-2.
These should comply with EN 12978. The inputs at terminals X1.1/
X1.2 and X1.3/X1.4 are provided for this purpose.
Connect the front edge to terminals X1.1/X1.2 and the rear edge to terminals X1.3/X1.4.
The terminating resistor must be 8K2Ω. If no safety edge is connected, the door can only be
operated in “Dead man“ mode.
Front edge
Terminal
Wire colour
Signal
X1.2
Brown
Input
N/C
X1.1
White
0 V
Ground
Rear edge
Terminal
Wire colour
Signal
X1.4
Brown
Input
N/C
X1.3
White
0 V
Ground