Jung binary input 8-way KNX REG 2128REG

• Division units: 4
• Nominal voltage KNX: DC 21-32 V SELV
• Nominal voltage: AC/DC 12-48 V
• 8 inputs 12-48 V AC/DC
• Functions: switching, dimming, blinds up/down, brightness values, temperatures, calling up and saving light scenes

• Division units: 4
• Nominal voltage KNX: DC 21 ... 32 V SELV
• Power consumption KNX: max. 350 mW
• Standby: max. 200 mW
• KNX connection: Connection terminal
• Ambient temperature: -5… +45°C
• Inputs
• Nominal 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 nominal voltage
• Input current: 2 mA
• Signal duration: min. 30 ms
• Nominal frequency AC signal: 30 ... 60 Hz
• Number of contacts per input:
- NO contacts: unlimited
- NC contacts: max. 20
• Output voltage: DC 24 V SELV
• Installation width: 72 mm (4 DU)
• Standby power: max. 200 mW
• Power loss: max. 1 W
• Connection:
- Connection type: screw terminals
- Single wire: 1 x 0.2 ... 4 mm²
- Fine wire without ferrule: 1 x 0.34 ... 4 mm²
- Fine wire with ferrule: 1 x 0.14 ... 2.5 mm²
• Cable length: max. 100 m
• Auxiliary voltage output 24V DC (SELV) for monitoring floating contacts
• Monitoring of conventional switch or button contacts, window contacts, etc. in KNX systems for reporting statuses, counter readings, operation of loads, etc.
• Status LED for each input
• Detection of voltage levels and changes at the input
• Input status sent to the bus
• Freely adjustable transmission behaviour
• Inputs can be disabled separately
• Connection of external alternating and direct voltages possible
• Auxiliary voltage output for monitoring floating contacts
• No separate power supply required
• Separate reference potentials for inputs
• Pulse counting (from firmware version V02), also suitable for S0 pulses