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Dinel PDU–401–P Programmable Display

Description

Dinel PDU–401–P Programmable Display is equipped with one current input 0-20 / 4-20mA and one voltage input 0-5 / 1-5 / 0-10 / 2-10V. The current input has an additional overcurrent protection circuit, which protects the standard resistors. The selection of active input is realized by software, and selected input can be changed at any time.

Additionally, the PDU-4xx-P allows users to select a conversion characteristic of several kinds: linear, square, square root, user-defined (max.20 points length), and volume characteristics of a cylindrical tank in the vertical and horizontal position. The result is shown on a 4-digit LED display. The displayed values range can be selected by the user, from -999 to 9999, plus decimal point.

The device can be equipped with two or four relays (or OC type) outputs. Optionally PDU–4xx-P with two relays outputs can be equipped with active current output. Device PDU-4xx-P is equipped with RS-485 / Modbus RTU communication interface and sensor supply output. The meter can be ordered in two power supply versions.

Dinel PDU–401–P Programmable Display Features

  • Suitable for connecting water level meters with a current or voltage output.
  • 4–digit LED display.
  • Up to 4 relay outputs, an option of an insulated analog output.
  • Includes an auxiliary voltage power supply for current loop 4 … 20 mA.
  • Front panel performance (IP40).
  • Communication interface RS–485 / Modbus RTU.
  • Power supply 230 V AC or 24 V DC.

Variants of Unit

  • PDU–420–P 2 independent relay outputs (2 limits)), panel version. Power supply 230 V or 24 V, interface RS–485 / Modbus RTU.
  • PDU–421–P 2 independent relay outputs (2 limits)), panel version. Power supply 230 V or 24 V, interface RS–485 / Modbus RTU, analog current output.
  • PDU–440–P 4 independent relay outputs (4 limits)), panel version. Power supply 230 V or 24 V, interface RS–485 / Modbus RTU.

Dinel PDU–401–P Programmable Display Specification

Location  panel version
Power supply voltage version 230 V 85 … 260 V AC/DC
version 24 V 19 … 50 V DC; 16 … 35 V AC
Power consumption version 230 V 4,5 W (4,5 VA)
version 24 V
Voltage input current 0/4 … 20 mA (limited input current to 40 mA)
voltage 0/1 … 5 V; 0/2 … 10 V
Voltage input resistance  < 65 Ω (current input)
> 50 kΩ (voltage input)
Display range  -999 ÷ 9999, plus decimal point
Voltage measurement accuracy  ± 0.25 % (± one digit over the entire measuring range)
Display  4-digit, seven-segment, LED, red
Outputs relay 2 or 4 (relay 1 A / 250 V AC)
Sensor power supply outputs version 230 V 24 V DC + 5 % – 10 % / max. 100 mA
version 24 V
Outputs 0 … 24 mA
Communication interface  RS–485, 8N1 and 8N2, Modbus RTU, no galvanic separation
Baud rate 1 200 … 115,200 sec
Operating temperature 0 … + 50°C
Storage temperature  -10 … + 70 °C
Protection  Front panel IP40 (standard); IP65 (optional)*
Terminal IP20
Housing material Noryl – GFN2S E1
Weight cca 210 g

Download Catalog: programmable display unit PDU–401–P, Dinel-Level and Flow Measurement

Ref: Dinel.cz

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