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Jiangsu Acrel Electrical Manufacturing Co., LTD.
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tel:
+86 18761509710 -
email:
besty.chen@email.acrel.cn
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.
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
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Technical parameter
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Values
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Number of input
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8/16/32
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Input
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Active wet contact(DC12V) or passive dry contact input
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Communication
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RS485 port(Modbus RTU protocol), two-core shielded line
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Bus capacity
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≤32
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Switch incident resolution
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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. |
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Signalling scanning speed
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All channel scanning cycle time required is 1ms
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Remote signaling debounce time
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All channels use the same debounce time: 1ms (can be set)
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Number of sequence of events(SOE)
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1600 Groups
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Wiring
Dimension
Typical Connection
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Auxiliary power supply
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DC 24V / AC/DC 220V (AC85-275V/DC100-350V)
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Power consumption
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≤5W
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Working temperature
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-5℃~+55℃
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Frequency
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≤500Hz
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Relative humidity
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≤93%RH, free of condensate or aggressive gase
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Input consumption
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Power supply: power consumtion ≤5W
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Storage temperature
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-25℃~+70℃
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Altitude
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≤2500m
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Insulating strength
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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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Unit
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