Supply voltage |
Rated value (DC) | 24 V |
Reverse polarity protection | Yes |
Load voltage L+ |
● 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 |
● Thermocouple | No |
● Resistance thermometer | No |
● Resistance | No |
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 |
Diagnostics function | Yes |
Alarms |
● Diagnostic alarm | Yes |
Diagnoses |
● 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 |
● Performance level according to ISO 13849-1 | e |
● 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 |