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Feeder Measurement & Control
Accura 2750INV/VOL
Accura 2750INV/VOL
Inverter-Unit Voltage Measurement[Control] Module
   
Accura 2750INV/VOL
Inverter-Unit Voltage Measurement[Control] Module
   
Overview
Deals with Management Need for Consumption Power of Motor and Improves MCC Space Efficiency
Precision Measurement to meet IEC 61557-12 Class 0.5
Blocks the Spread of Accident by Ground Current through Accurate Measurement of Ground Current
Provides Two Type Modules(Protection Module/Protection&Control Module) for Selection According to Purpose
Diversification of Rated Current of Motor-Unit Protection[Control] Module for MCC Space Efficiency and Precision Measurement
Providing power/energy based on inverter output voltage measurement of inverter-driving motor-unit
Provides Convenience for Maintenance
HMI Module that Supports Device Redundancy
Excellent Field Analysis through Integrated HMI Module with Color Touch TFT LCD
LOP Control Module and LOP Control Gateway for Communication with LOP(Local Operating Panel)
Communication Redundancy with Improved Communication Reliability between Devices
Supports Device Redundancy for the Field that Requires High Reliability
Provides Setup Manager for All Setting and Commissioning through Communication
Provides Control Logic Editor to Provide Control Flexibility
Possible to Implement MCC Level Control Logic
Measuring the output voltage of Inverter-unit
Connection with Accura 2750P[C] (RS-485 communication)
Connection with Motor-Unit HMI Module Accura 2750DCI (RS-485 Communication)
Connection with Inverter (RS-485 communication)
Digital input/output supported
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Accura 2700/2750
Features
Specifications
FAQ
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Features
Specifications
FAQ
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Accura 2750INV/VOL Inverter-Unit Voltage Measurement[Control] Module
To measure the power of inverter output stage in a motor-unit driven by inverter, the output voltage signal of the inverter is required. Accura 2750INV/VOL module processes the inverter output voltage with a low pass filter(LPF) to generate voltage sampling data and transmits it to Accura 2750PC module via communication. It also supports a separate RS-485 communication port to communicate with inverter supporting RS-485 communication. Accura 2750INV module provides additional digital I/O, making it easy to implement a hardwired interface to the inverter.
Measuring the output voltage of inverter-unit
Low pass filter(LPF) processing of inverter output voltage to obtain voltage sampling data
Measurement frequency range 5 - 180 Hz
Cut-off frequency of LPF 188 Hz
Connection with Accura 2750P[C] (RS-485 communication)
Transmits voltage sampling data of inverter-unit to Accura 2750P[C] via internal communication
RS-485 based internal-use protocol 1 port (Accura 2750PC)
Connector type RJ45 connector
Communication cable Ethernet cable Cat.5e FTP(F/UTP)
Communication cable length Maximum 3.5m
Connection with Motor-Unit HMI Module Accura 2750DCI (RS-485 Communication)
RS-485 based internal-use protocol 1 port (DISPLAY Accura 2750DCI)
Connector type RJ45 connector
Communication cable Ethernet cable Cat.5e FTP(F/UTP)
Communication cable length Maximum 3.5m
Connection with Inverter (RS-485 communication)
Inverter status reception and inverter control by RS-485 communication
Modbus RTU protocol 1 port (Ta, Tb, SG)
Connector type Screw pluggable
Communication cable UL2919 RS-485 1P[2P] 24AWG
Digital Input/Output
Digital input
Accura 2750INV 5channels (External power input)
Digital output
Accura 2750INV Form-A 9 channels
Accura 2750VOL Form-C 1 channel
Control Power Supply
Rated voltage(Us) 110 - 240V AC 50/60Hz, 110 - 300V DC
Operating voltage range 0.8 x Us - 1.1 x Us