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 |