Remote terminal units 2005М are used in control and automation system, data acquisition and communication systems, telecontrol system, distributed switchgear interlocking system and offer the following capabilities:
- input and calculation of three-phase network parameters
- monitoring switching equipment status
- receiving data on actuation/malfunction of relay protection and automation IEDs
- execution of control and blocking commands by switching devices
- transferring data to the upper level
Modules
Remote terminal unit includes the following modules:
- Controller module 2005М-C3
- 2005М-BC bay control module
- Binary signals I/O module 2005M-I16/O8
- Binary signal I/O module 2005M-I8/O4
- Binary input module 2005M-I16
- Binary signal output module 2005М-O8
- 2005M-AI measuring unit module
- 2005M-PL8 analog input module
- 2005М-FOCL optical module
The system is designed for installation in indoor switchgears as well as in cabinets. The modules are mounted on a DIN rail
Modules of remote terminal unit 2005M are configured using the EKRASCADA Studio software
Controller modules 2005М-C3
Controller modules 2005М-C3 are used as gateway devices between the merging unit with 2005М-ХХХ unit and the upper level: EKRASCADA software and hardware package. Its main function is to acquire data from 2005М-ХХХ modules using the internal protocol via the first channel of the four-wire RS485w4 interface, transfer information to the upper level and transmission of control commands from the upper level to modules with output relays using internal protocol via Ethernet 10/100 Base TX port. Each port of the controller module can be configured to both transmit and receive data using Modbus, IEC 60870-5-104, IEC 61850-8-1 protocols
Configuration:
- universal power supply AC/DC 220 V
- RS-485 interface (Modbus RTU)
- Ethernet 10/100 Base TX channels (Modbus, IEC 60870-5-104, IEC 61850-8-1)
2005М-BC bay control module
2005М-BC bay control module is used to input and calculate the three-phase system parameters, receive “dry contact” type binary signals, generated by equipment of the monitored bay and generate the control commands using relay contacts
Configuration:
- universal power supply AC/DC 220 V
- RS-485 interface (Modbus RTU)
- measuring circuits (Irat = 1 A or 5 A, Urat = 100 V)
- 8 binary inputs DC 220 V
- 4 relay outputs AC/DC 220 V
Binary signal I/O modules
is designed to acquire “dry-contact” binary signals and generate the control commands by closing the relay contacts of the module
Configuration:
- universal power supply AC/DC 220 V
- RS-485 interface (Modbus RTU)
- 16 binary inputs 220 VDC
- 8 relay outputs AC/DC 220 V
is designed to acquire “dry-contact” binary signals and generate the control commands by closing the relay contacts of the module
Configuration:
- universal power supply AC/DC 220 V
- RS-485 interface (Modbus RTU)
- 8 binary inputs DC 220 V
- 4 relay outputs AC/DC 220 V
is designed to acquire “dry contact” type binary signals
Configuration:
- universal power supply AC/DC 220 V
- 2 communication channels RS-485 (Modbus RTU)
- 16 binary inputs 220 VDC
is designed to generate the control commands by closing the relay contacts of the module
Configuration:
- universal power supply AC/DC 220 V
- 2 communication channels RS-485 (Modbus RTU)
- 8 relay outputs AC/DC 220 V
2005M-AI measuring unit module
2005M-AI measuring unit module is designed to input and calculate three-phase network parameters
Configuration:
- universal power supply AC/DC 220 V
- RS-485 interface (Modbus RTU)
- measuring circuits (Irat = 1 A or 5 A, Urat = 100 V)
2005M-PL8 analog input module
2005M-PL8 analog input module is designed to measure normalized current signals 0–20 mA. All 8 inputs of the module have one common contact
Configuration:
- universal power supply AC/DC 220 V
- 2 communication channels RS-485 (Modbus RTU)
- 8 current inputs 0–20 mA
- maximum measured current 20 mA
- maximum measurement error 0.2%
2005М-FOCL optical module
2005М-FOCL optical module is designed to provide communication between the head unit of data acquisition and communication systems and the merging unit modules via two optical channels. Optical module converts RS485 interface signals into optical signals and vice versa