Remote Terminal Unit ARTU-K32

● RS485 (MODBUS -RTU)

● channel state indicator and communication state indicator

● 24VDC, range DC18~36V; 220VAC/DC, range AC85~265V, DC100~350V.


  • Product detail
  • PARAMETER

General

ARTU distributed monitoring and control devices is a high-performance components used in intelligent power distribution, industrial automation, and other fields. Products include: remote control unit, remote signaling unit.

It has a channel status light and a communication status light. It has two-way communication interface, one is used to set the general parametersand commissioning, another is used to read and set the "four remote" value. Product’s address and baud rate can be set by PC and local DIP switch. Products using the software and hardware "watchdog" technology to prevent freezing.

The user's Guide applies to ARTU distributed monitoring and control devices.


Specification

Technical parameter
Values
Number of input
8/16/32
Input
Active wet contact(DC12V) or passive dry contact input
Communication
RS485 port(Modbus RTU protocol), two-core shielded line
Bus capacity
≤32
Switch incident resolution

Ability to distinguish between multiple contact successive changes: When any two contacts displacement interval is greater than 1ms,

Ability to distinguish between cells (less than 2ms) can be reflected in the SOE.

Signalling scanning speed
All channel scanning cycle time required is 1ms
Remote signaling debounce time
All channels use the same debounce time: 1ms (can be set)
Number of sequence of events(SOE)
1600 Groups


Wiring


Dimension


Typical Connection

Auxiliary power supply
DC 24V / AC/DC 220V (AC85-275V/DC100-350V)
Power consumption
≤5W
Working temperature
-5℃~+55℃
Frequency
≤500Hz
Relative humidity
≤93%RH, free of condensate or aggressive gase
Input consumption
Power supply: power consumtion ≤5W
Storage temperature
-25℃~+70℃
Altitude
≤2500m
Insulating strength
2kV/5s, between each terminal groups and the auxiliary power supply; 1kV/5s, 50Hz between all switching inputs and communication ports.


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