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K-System – Isolated Barriers
Technical Specifications
7
Technical Specifications
7.1
Technical Data
Electrical Data
Non-Hazardous Area Signals or Control Circuit Signals
•
0/4 mA to 20 mA signal level according to NE 43
•
0/2 V to 10 V signal level according to NE 43
•
0/1 V to 5 V signal level according to NE 43
•
Current output HART compatible
•
Current input HART compatible
•
Digital output: active or passive electronic output 100 mA/30 V, short-circuit protected
•
Relay output 2 A, minimum load 1 mA/24 V
•
Logic level 24 V according to IEC 60946
•
Functional isolation or safe isolation according to IEC 61140 and NAMUR NE 23
Hazardous Area Signals or Signals in the Field Circuit
•
Transmitter power supply up to 17 V DC
•
Current output HART compatible
•
Pt100, 2-, 3-, (4)-wire technology
•
Resistor 0 to 400 with freely definable characteristic
•
Potentiometer
•
Thermocouples of all types, internal cold junction, external reference
•
Current output HART compatible
•
Digital input according to NAMUR EN 60947-5-6
•
Digital output for standard Ex-i valves, short-circuit protected
Characteristic Safety Values
•
MTBF: Mean Time Between Failures
Conformity
General
•
Isolators with and without explosion protection, mostly with Ex ia IIC/Class I Div. 1,
international approvals
•
EMV according to
•
EN 61326-1
•
EN 61326-3-2, only for devices with SIL rating, where the data sheet mentions this
standard.
If you operate the device with a DC supply voltage, you must ensure that the bridging
of the 20 ms voltage interruption is realized by the power supply.
•
NAMUR NE 21
If you operate the device with a DC supply voltage, you must ensure that the bridging
of the 20 ms voltage interruption is realized by the power supply.
•
RoHS, refer to declaration of conformity of the respective device
42
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