Omicron CMC 310, User Manual

Page: 30 / 44

CMC 310 User Manual
30 OMICRON
4.5 Inputs
4.5.1 Binary inputs
General data of binary inputs 1…6
Number of binary inputs 6
Trigger criteria Potential-free or DC-voltage compared to threshold voltage.
Reaction time Max. 220 µs
Sampling rate 10 kHz
Time resolution 100 µs
Maximum measuring time Unlimited
Debounce/deglitch time 0 … 25 ms (→ page 31)
Counting function
Counter frequency
Pulse width
<3 kHz (per input)
>150 µs (for high and low signals)
Connection 4 mm sockets
Insulation 3 galvanically insulated binary groups with each 2 inputs
having its own GND. Functional insulation to the power
outputs, DC inputs and between galvanically separated
groups. Reinforced insulation from all SELV interfaces and
from power supply.
Data for potential-sensing operation
Range/resolution 20 ... 300 V
0 ... 20 V 500 mV
50 mV
Maximum input voltage CAT IV: 150 V
CAT III: 300 V
Threshold voltage accuracy
1
1. Valid for positive voltage signal edge; percentage is shown in respect to each range’s full-scale.
5 % of rd. + 0.5 % of rg.
Typical threshold voltage hysteresis Range 20 ... 300 V: 900 mV
Range 0 ... 20 V: 60 mV
Input impedance Threshold 20 ... 300 V: 135 kΩ
Threshold 0 ... 20 V: 210 kΩ