Supply voltage |
Load voltage L+ |
● Rated value (DC) |
24 V |
● Reverse polarity protection |
Yes |
Input current |
from load voltage L+ (without load), max. |
48 mA |
from backplane bus 3.3 V DC, max. |
10 mA |
Output voltage |
Power supply to the transmitters |
● present |
Yes |
● short-circuit proof |
Yes |
Power loss |
Power loss, typ. |
1.2 W |
Address area |
Address space per module |
● Address space per module, max. |
4 byte |
Analog inputs |
Number of analog inputs |
2 |
permissible input current for current input (destruction limit), max. |
50 mA |
Cycle time (all channels) max. |
0.5 ms; 0.5 ms for 2 channels without noise suppression, 18 / 21 ms per channel with noise suppression |
Input ranges (rated values), currents |
● -20 mA to +20 mA |
Yes |
● 4 mA to 20 mA |
Yes |
Cable length |
● shielded, max. |
200 m |
Analog value generation for the inputs |
Measurement principle |
Sigma Delta |
Integration and conversion time/resolution per channel |
● Resolution with overrange (bit including sign), max. |
16 bit |
● Interference voltage suppression for interference frequency f1 in Hz |
60 / 50 Hz / no |
● Conversion time (per channel) |
0.04 ms; Without noise suppression 17/20 ms per channel with error |
Smoothing of measured values |
● parameterizable |
Yes; In 4 stages: 1x, 4x, 16x, 32x cycle time |
● Step: None |
Yes; 1x |
● Step: low |
Yes; 4x |
● Step: Medium |
Yes; 16x |
● Step: High |
Yes; 32x |
Encoder |
Connection of signal encoders |
● for current measurement as 2-wire transducer |
|
— Burden of 2-wire transmitter, max. |
750 Ω |
Errors/accuracies |
Linearity error (relative to input range), (+/-) |
0.03 % |
Temperature error (relative to input range), (+/-) |
0.003 %/K |
Crosstalk between the inputs, min. |
-100 dB |
Repeat accuracy in steady state at 25 °C (relative to input range), (+/-) |
0.01 % |
Operational error limit in overall temperature range |
● Current, relative to input range, (+/-) |
0.1 %; 0.2% without interference frequency suppression |
Basic error limit (operational limit at 25 °C) |
● Current, relative to input range, (+/-) |
0.05 %; 0.1% without interference frequency suppression |
Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency |
● Series mode interference (peak value of interference < rated value of input range), min. |
90 dB |
● Common mode interference (USS < 2.5 V) , min. |
100 dB |
Isochronous mode |
Isochronous operation (application synchronized up to terminal) |
Yes |
Interrupts/diagnostics/status information |
Alarms |
● Hardware interrupt |
Yes |
Diagnostic messages |
● Wire-break |
Yes; Measuring range 4 to 20 mA only |
● Group error |
Yes |
● Overflow/underflow |
Yes |
Diagnostics indication LED |
● Group error SF (red) |
Yes |
Parameter |
Remark |
12 bytes, 4 bytes in compatibility mode |
Diagnostics wire break |
Disable / enable |
Measurement type/range |
deactivated / ±20 mA / 4 to 20 mA |
Group diagnostics |
Disable / enable |
Overflow/underflow |
Disable / enable |
Potential separation |
Potential separation analog inputs |
● between the channels |
No; however, increased permissible potential difference between the inputs. |
● between the channels and backplane bus |
Yes |
● Between the channels and load voltage L+ |
Yes |
Dimensions |
Width |
15 mm |
Height |
81 mm |
Depth |
52 mm |
Weights |
Weight, approx. |
45 g |
last modified: |
06/07/2019 |