DOCT-0187Y 2023-12
42
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
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