| Supply voltage |
| Rated value (DC) |
24 V |
| Reverse polarity protection |
Yes |
| Input current |
| From power supply L+, typ. |
150 mA |
| from backplane bus 5 V DC, max. |
90 mA |
| Power loss |
| Power loss, typ. |
4.5 W |
| Analog inputs |
| Number of analog inputs |
6 |
| permissible input current for current input (destruction limit), max. |
40 mA |
| Input ranges |
| ● Voltage |
No |
| ● Current |
Yes |
| Input ranges (rated values), currents |
| ● 0 to 20 mA |
Yes |
| ● Input resistance (0 to 20 mA) |
150 Ω; typ. 150 ohms max. 175 ohms |
| ● 4 mA to 20 mA |
Yes |
| ● Input resistance (4 mA to 20 mA) |
150 Ω; typ. 150 ohms max. 175 ohms |
| Cable length |
| ● shielded, max. |
1 000 m |
| Analog value generation for the inputs |
| Integration and conversion time/resolution per channel |
| ● Resolution with overrange (bit including sign), max. |
16 bit; 15 bit + sign |
| ● Integration time (ms) |
20 ms @ 50 Hz, 16.7 ms @ 60 Hz |
| ● Interference voltage suppression for interference frequency f1 in Hz |
f=n x (f1 ±0.5 %) |
| Encoder |
| Connection of signal encoders |
| ● for current measurement as 2-wire transducer |
Yes |
| ● for current measurement as 4-wire transducer |
Yes |
| Errors/accuracies |
| Operational error limit in overall temperature range |
| ● Current, relative to input range, (+/-) |
0.2 %; 40 µA |
| Basic error limit (operational limit at 25 °C) |
| ● Current, relative to input range, (+/-) |
0.1 % |
| Interrupts/diagnostics/status information |
| Diagnostic functions |
Yes |
| Alarms |
| ● Diagnostic alarm |
Yes |
| Diagnostic messages |
| ● Diagnostic information readable |
Yes |
| Diagnostics indication LED |
| ● Fail-safe operation |
Yes |
| ● Group error SF (red) |
Yes |
| ● Encoder supply Vs (green) |
No |
| Potential separation |
| Potential separation analog inputs |
| ● between the channels |
Yes |
| ● between the channels and backplane bus |
Yes |
| ● between the channels and the power supply of the electronics |
Yes |
| Isolation |
| Isolation tested with |
370V for 1 min |
| Standards, approvals, certificates |
| Highest safety class achievable in safety mode |
| ● acc. to EN 954 |
4 |
| ● SIL acc. to IEC 61508 |
SIL 3 |
| Connection method |
| required front connector |
20-pin |
| Dimensions |
| Width |
40 mm |
| Height |
125 mm |
| Depth |
120 mm |
| Weights |
| Weight, approx. |
350 g |
| last modified: |
11/21/2017 |
