RMS - 2V164-S


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2V164-S Voltage Regulating Relay

The 2V16x Series relays are designed for the control of motor driven on-load power transformer tap changers. The 2V164-S Voltage Regulator Relay continuously monitors the transformer output voltage & current & provides "RAISE" & "LOWER" control commands to the on-load tap changer such that the load centre is automatically maintained within acceptable limits. Small variations in supply frequency will not affect the system performance. When designing the 2V164-S, considerable emphasis was placed on producing a relay which would be very simple to install, set up & operate in the field. The result is a simple yet effective & very dependable voltage regulator relay available at a competitive price. The relay is very easy to set up due to the large screen LCD HMI & PC programming port. RMS 2V164-S Relays have many in built features to simplify the interface with OLTC's to provide a reliable, effective & simple to operate voltage control system.

Features

uMATRIX PLATFORM
Large STN graphics LCD
System status LED indicators
Simple menu setting procedure
40-300V DC aux. supply
40-275V AC aux. supply
20-70V DC aux. Optional
Self diagnosis & fail alarm
Size 4 case
Made in Australia

Line drop compensation with 1A & 5A CT inputs
63.5 & 110V AC VT inputs
Definite time & inverse time delays
Independent fine & coarse voltage bandwidth windows
Over & under voltage alarms
Under voltage blocking function
Tap change fail alarm
Two digital input load step stages

Line voltage display
Line current display
Tap position indicator input
Tap rate of change alarm
Tap change event counter
Tap position mA output
Line voltage mA output

USB PC link
Non platform specific PC programming software
Optical isolated RS485 network port
MODBUS RTU compatible network protocol

Changes introduced on the 2V164-S

Case length reduced by 18mm to suit 4M56-S case;
LED backlighting to reduce EMC emissions – contrast adjustment no longer required;
Front panel USB programming port to increase data transfer speed and improve compatibility with notebook PC’s;
Network communications port is now optional to maintain low cost of base model;
Network communication port maintained the optically isolated RS485 serial port but the RS232 configuration option has been deleted;
New current and voltage channels to improve measurement stability;
New status input option covering 18-275V AC and 300V DC range;
Updated switchmode power supply to reduce EMC emissions and improve transient overload protection;
Surface mount production technology to allow increased component density for additional functionality now and in the future.

What has not changed from the 2V164

I/O and basic functionality has been maintained;
Basic menu structure and operation has been maintained;
Electrical terminal mapping has not changed allowing existing wiring diagrams to be maintained;
Compatibility with existing application software back to version 0500 maintained;
Compatibility with existing uMATRIXwin programming software maintained;
Modbus RTU network communication protocol maintained Case size 4 has been maintained although the length has been reduced.
Made in Australia

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