TK_S014 – Installation Manual
23
Power supply min : 12V – 15% = 10,2V
Voltage drop max : 10,2 – 10 = 0,2V
Cable resistance: Voltage drop / reader current max = 0,2 / 50mA = 4
Ohm
Cable length (m: Resistance / (cable resistance / 1000) / 2 =
= 4 / (52 /1000) / 2 = 38 mt
Outputs to control LEDs and
buzzer
Type: Open Collector
Number: 3 each Wiegand channel
Function: Red LED, Green LED, Buzzer
Voltage: 0V...+14V max
Current: 80mA Max
Wire length connection: see installation manual – usually shielded
Outputs Type: Power Open Collector (Drain)
Number: 2
Voltage: 10V...+14V (internal Power supply)
Voltage (absolute max): 10V...+30V (from external Power supply).
Current: 1,2A [5A / 2sec peak max – inductive load]
Normality
1
NO or NC via JP1 and JP2 Default = NO
Wire length connection: it depends on cable diameter, load current
sink and load min power supply – Not shielded
1
In the RTUA08 without jumpers the normality OUT status is NO
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