Siemens SIMEAS Q80 Operating Instruction page 148

E-72 SIMEAS Q80 7KG8080
14.1.3 Digital inputs
4 digital inputs
Parameter
channels / bits
terminal connections
insulation test voltage
electrical safety
rating
measurement category
degree of pollution
max. input level ue
nom. input level ue
switching level Us
unipolar low
unipolar high
current input
circuit time
low ® high
high ® low
Description of the digital inputs of SIMEAS Q80 7KG8080
Power Quality Recorder SIMEAS Q80 7KG8080, Operating instruction
E50417-B1074-C419-A2, Release 09.02.2011
typ. min. / max.
4
screw terminal 14 to 24 AWG
0,2 mm² to 2,5mm²
3,6 kV
RMS
250V / CAT III
2
£600 V
230 V / 350 V
RMS DC
<16 V <14 V
>16,8 V >18 V
<500 µA
280 µA
70 µs <180 µs
23 µs <40 µs
.
36
Test conditions / Remarks.
each isolated
American Wire Gauge
for rigid or flexible line
50 Hz, 10 sec
between channels and chassis
in accordance with EN 61010-1
in accordance with IEC 60664
peak-to-peak or DC voltage
Schmitt-Trigger-characteristics
Hysteresis 0,04 V typ.
ue = -600 V to +600 V