Device DDI-24 – 220V АИАР.426449.001

Specifications

• Number of digital input channels - 24 channels with galvanic isolation.
• The dielectric strength of the isolation of the discrete input channels and power inputs is 1.5 kV.
• Type of voltage on the discrete input channel - DC or AC.
• The maximum allowable voltage on the digital input channel is 250 V.
• The “logic zero” level is from 0 to 100V, the “logic one” level is from 150 V to 250 V.
• The device is powered from a constant current source with a voltage of 7 to 40 V.
• The power consumed by the device from a DC source is no more than 3 W.
• In the event of a main power failure, there is a backup power supply input with the same parameters.
• Resistance to short-term interruption of supply voltage, not less than 0.5 s
• The time the device is ready for operation after the supply voltage is applied to it, no more than 0.5 s
• DDI-24 weight - no more than 250 g.
• The DDI-24 is designed for DIN rail mounting.
• Information transfer is carried out through the RS485 interface using the Modbus RTU exchange protocol.
• Ethernet interface (RJ-45) - IEC 60870-5 104 exchange protocol (optional);