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KNX Binary Input 8-G - 2128 REG
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Jung
Product Description
Rail mounting device, 4 rail units
8 inputs 12 ... 48 V AC/DC
Auxiliary voltage output DC 24 V (SELV) for polling potential-free contacts
with status indicator
ETS product family: Input
Product type: Binary input
Intended Use
- Polling of conventional switching or push-button contacts, glass break detectors etc. in KNX systems, for reporting of states, operation of loads, etc.
- Mounting on DIN rail according to EN 60715 in distribution boxes
Characteristics
- Status LED for each input
- Detection of voltage levels and changes on the input
- Transmitting the input state to the bus
- Transmission behaviour freely settable
- Functions: switching, dimming, blinds up/down, brightness values, temperatures, calling up and saving scenes
- Inputs can be disabled separately
- External AC and DC voltages can be connected
- Auxiliary voltage output for polling potential-free contacts
- No separate power supply required
- Separate reference potentials for inputs
- Pulse counter (firmware version V02 or higher), also suitable for S0 pulses
Technical Details
| Rated voltage KNX: | DC 21 ... 32 V SELV |
| Power consumption KNX: | max. 350 mW |
| Stand-by: | max. 200 mW |
| Connection, KNX: | terminal |
| Ambient temperature: | -5 ... +45 °C |
| Storage/transport temperature: | -25 ... +70 °C |
| Inputs | |
| Rated voltage: | AC/DC 12 ... 48 V |
| Signal level "0" signal: | AC/DC -48 ... +2 V |
| Signal level "1" signal: | AC/DC 8 ... 48 V |
| Input current at rated voltage | |
| Input current: | approx. 2 mA |
| Signal duration: | min. 30 ms |
| Rated frequency AC signal: | 30 ... 60 Hz |
| Number of contacts per input | |
| NO contacts: | unlimited |
| NC contacts: | max. 20 |
| Output voltage: | DC 24 V SELV |
| Mounting width: | 72 mm (4 rail units) |
| Stand-by power: | max. 200 mW |
| Power loss: | max. 1 W |
| Connection | |
| Connection mode: | screw terminals |
| single wire: | 0.2 ... 4 mm² |
| stranded without ferrule: | 0.34 ... 4 mm² |
| stranded with ferrule: | 0.14 ... 2.5 mm² |
| Cable length: | max. 100 m |