Pepperl+Fuchs KCD2-STC-1.2O
SMART Transmitter Power Supply
- 1-channel signal conditioner
- 24 V DC supply (Power Rail)
- Input for 2-wire SMART transmitters and current sources
- Signal splitter (1 input and 2 outputs)
- Dual output 0/4 mA ... 20 mA or 0/1 V ... 5 V
- Terminal blocks with test sockets
- Up to SIL 2 acc. to IEC 61508
- Overview +
- Comments +
The KCD2-STC-1.2O is a single-channel signal converter with 24 V DC power supply, designed for SMART transmitters and current sources with two-wire connection. It has two outputs (0/4 mA or 0/1 V), terminal blocks with test sockets, and supports safety level up to SIL 2 (SC 3). The device supports bi-directional communication for SMART transmitters, using current modulation for data transmission and voltage modulation for data reception. Its compact design and high reliability make it ideal for use in industrial environments.
| Control elements | DIP-switch |
| Safety Integrity Level (SIL) | SIL 2 |
| Electromagnetic compatibility | NE 21:2012 EN 61326-3-2:2008 |
| Rise time/fall time | 2 ms |
| Frequency range | field side into the control side: bandwidth with 0.5 Vpp signal 0 ... 7.5 kHz (-3 dB) control side into the field side: bandwidth with 0.5 Vpp signal 0.3 ... 7.5 kHz (-3 dB) |
| Signal type | Analog input |
| Degree of protection | IP20 |
| Power dissipation | approx. 1.4 W at 20 mA transfer current, 250 andOmega; in both outputs |
| Connection | Power Rail or terminals 9+, 10- |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Input signal | 0/4 ... 20 mA |
| Voltage drop | terminals 3, 4: 6.1 V at 20 mA |
| Connection side | control side |
| Settling time | 6 ms |
| Output signal | 0/4 ... 20 mA or 0/1 ... 5 V |
| Degree of protection | IEC 60529:2001 |
| Available voltage | terminals 1+, 2-: 16 V at 20 mA , 18.5 V at 4 mA |
| Short-circuit current | terminals 1+, 2-: 25 mA |
| Deviation | Iout < 20 andmicro;A (0.1 %); Vout < 7.5 mV (0.15 %) incl. calibration, linearity, hysteresis and fluctuation of supply voltage, at 20 ?°C (68 ?°F), 0/4 ... 20 mA, 0/1 ... 5 V |
| Input resistance | terminals 1+, 2-: max. 500 andOmega; (250 andOmega; load) |
| Rated voltage | 18 ... 30 V DC |
| Configuration | via DIP switches |
| Connection | screw terminals |
| Load | channel 1: 0 ... 500 andOmega; (20 mA)/> 1 MandOmega; (5 V) channel 2: 0 ... 500 andOmega; (20 mA)/> 1 MandOmega; (5 V) |
| Ripple | max. 50 andmicro;A rms |
| Ambient temperature | -20 ... 60 ?°C (-4 ... 140 ?°F) |
| Note | Both output loads must be connected to ensure complete and correct operation within the technical specification. |
| Connection | source: terminals 5-, 6+; 7-, 8+ sink: terminals 5+, 6-, 7+, 8- |
| Connection | terminals 1+, 2- (sink); 3+, 4- (source) |
| Dimensions | 12.5 x 114 x 122 mm (0.5 x 4.5 x 4.8 inch) , housing type A2 |
| Mass | approx. 100 g |
| Power consumption | 2 W |
| Connection side | field side |
| Display elements | LED |
| Ripple | within the supply tolerance |
| Labeling | space for labeling at the front |
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