| Supply voltage |
| Load voltage L+ |
| ● Rated value (DC) |
24 V |
| ● Reverse polarity protection |
Yes |
| Input current |
| from load voltage L+ (without load), max. |
20 mA |
| from backplane bus 5 V DC, max. |
120 mA |
| Output voltage |
| Power supply to the transmitters |
| ● present |
Yes |
| ● Rated value (DC) |
24 V |
| ● short-circuit proof |
Yes |
| ● Supply current, max. |
60 mA |
| Power loss |
| Power loss, typ. |
1.5 W |
| Analog inputs |
| Number of analog inputs |
8 |
| permissible input current for current input (destruction limit), max. |
40 mA |
| Input ranges (rated values), currents |
| ● 0 to 20 mA |
Yes |
| ● Input resistance (0 to 20 mA) |
140 Ω |
| ● Input resistance (-20 mA to +20 mA) |
140 Ω |
| ● Input resistance (4 mA to 20 mA) |
140 Ω |
| Cable length |
| ● shielded, max. |
800 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 |
| ● Integration time, parameterizable |
Yes |
| ● Integration time (ms) |
20 ms at 50 Hz; 16.6 ms at 60 Hz; 100 ms at 100 Hz |
| ● Basic conversion time, including integration time (ms) |
55 ms @ 60 Hz, 65 ms @ 50 Hz, 305 ms @ 100 Hz |
| ● Interference voltage suppression for interference frequency f1 in Hz |
10 / 50 / 60 Hz |
| Smoothing of measured values |
| ● parameterizable |
Yes |
| ● Step: None |
Yes |
| ● Step: low |
Yes |
| ● Step: Medium |
Yes |
| ● Step: High |
Yes |
| Encoder |
| Connection of signal encoders |
| ● for current measurement as 2-wire transducer |
Yes |
| ● for current measurement as 4-wire transducer |
Yes |
| Errors/accuracies |
| Linearity error (relative to input range), (+/-) |
0.01 % |
| Temperature error (relative to input range), (+/-) |
0.001 %/K |
| Crosstalk between the inputs, min. |
70 dB |
| Repeat accuracy in steady state at 25 °C (relative to input range), (+/-) |
0.1 % |
| Operational error limit in overall temperature range |
| ● Current, relative to input range, (+/-) |
0.15 % |
| Basic error limit (operational limit at 25 °C) |
| ● Current, relative to input range, (+/-) |
0.1 % |
| 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. |
40 dB |
| ● Common mode interference, min. |
100 dB |
| Isochronous mode |
| Isochronous operation (application synchronized up to terminal) |
No |
| Interrupts/diagnostics/status information |
| Diagnostics function |
Yes |
| Alarms |
| ● Diagnostic alarm |
Yes |
| ● Limit value alarm |
Yes |
| Diagnostic messages |
| ● Diagnostic information readable |
Yes |
| Diagnostics indication LED |
| ● Group error SF (red) |
Yes |
| ● Channel fault indicator F (red) |
Yes |
| Potential separation |
| Potential separation analog inputs |
| ● between the channels |
No |
| ● between the channels and backplane bus |
Yes |
| Isolation |
| Isolation tested with |
500 V DC |
| Degree and class of protection |
| IP degree of protection |
IP20 |
| Connection method |
| required front connector |
20-pin |
| Dimensions |
| Width |
40 mm |
| Height |
125 mm |
| Depth |
117 mm |
| Weights |
| Weight, approx. |
205 g |
| last modified: |
06/06/2019 |
