Instructions

K3 PRO External Output Signal User Guide
1. Overview
K3 Pro reserves a signal output port on the device. Use the DC plug and connect the circuit. It can
implement application functions including but not limited to automatic access control and flow
statistics.
2. Technical Data
Item
Symbol
Nominal Value
Maximum collector
voltage
V
CEO
<35V
Maximum reverse
voltage
V
ECO
<0.2V
Maximum output sink
current
Ic
<15mA
Maximum leakage
current in off state
I
CEO
<100nA @V
CE
=20V
Collector saturation
voltage
V
CE(sat)
<0.2V @Ic=1mA
Isolation voltage
V
ISO
5000Vrms@AC,1min
Isolation resistance
R
IO
5x10
10
 @V
IO
= 500Vdc
Equivalent output
circuit
OC output, can only output high
resistance and low frequency
3. Description of output signal
Signal type
Normal temperature
Abnormal temperature
S1
output signal cutoff
output signal on
S2
100
μs
Output signal on
about 100
μs
500
μs
Output signal on
about 500
μs