1. General Introduction
A reverse polarity protection prevents damage to the device caused by faulty wiring. The device is loop powered. From the control side no additional power supply has to be connected. Use the technical data to verify that proper voltage is available to the field devices.
2. General Specification for KCD2-UT2-EX1
Model | KCD2-UT2-EX1 |
General specifications | |
Signal type | Analog input/analog output |
Functional safety related parameters | |
Safety Integrity Level (SIL) | SIL 2 |
Control circuit | |
Connection | terminals 12-, 11+; 8-, 10-, 9+ |
Voltage | 4 ... 35 V DC |
Current | 0 ... 40 mA |
Power dissipation | at 40 mA and Uin < 22 V: 700 mW per channel at 40 mA and Uin > 22 V: 1.2 W per channel |
Field circuit | |
Connection | terminals 1+, 2-; 4+, 5- |
Voltage | for 4 V < Uin < 24 V: ≥ Uin - (0.37 x current in mA) - 1.0 for Uin > 24 V: ≥ 21 V - (0.36 x current in mA) |
Short-circuit current | at Uin > 24 V: ≤ 65 mA |
Transfer current | ≤ 40 mA |
Transfer characteristics | |
Accuracy | 1 % |
Deviation | |
After calibration | ≤ ± 200 μA; incl. calibration, linearity, hysteresis and load fluctuations at the field side up to a load of 1 kΩ and current ≤ 20 mA at 20 °C (68 °F |
Influence of ambient temperature | ≤ ± 2 μA/K at Uin ≤ 20 V; ≤ ± 5 μA/K at Uin > 20 V |
Rise time | ≤ 5 ms at bounce from 4 ... 20 mA and Uin < 24 V |
Galvanic isolation | |
Field circuit/control circuit | safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V |
Indicators/settings | |
Labeling | space for labeling at the front |
Directive conformity | |
Electromagnetic compatibility | |
Directive 2014/30/EU | EN 61326-1:2013 (industrial locations) |
Conformity | |
Electromagnetic compatibility | NE 21:2006 |
Degree of protection | IEC 60529:2001 |
Protection against electrical shock | UL 61010-1 |
Ambient conditions | |
Ambient temperature | -20 ... 60 °C (-4 ... 140 °F) |
Mechanical specifications | |
Degree of protection | IP20 |
Connection | screw terminals |
Mass | approx. 100 g |
Dimensions | 20 x 107 x 115 mm (0.8 x 4.2 x 4.5 inch) , housing type B1 |
Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
3. Assembly
4. Connection
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