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ISO 9001:2008
MODEL R-27 SERIES

 

"MECO-G" R-27 series multifunction network istrumnets can measure more than 50 electrical parameters in the electrical circuit. It has 2-channel electrical energy pulse outputs, 4-channel switching value inputs and RS 485 communication outuput with modbus protocol. 4 channel switching value output or 4 channel transmitting outputs are also available

 

 

MODEL FOUR CHANNEL TRANSMITTING OUTPUT FOUR CHANNEL SWITCHING VALUE OUTPUT RS- 485 INTERFACE TWO CHANNEL ENERGY PULSE OUTPUT FOUR CHANNEL SWITCHING VALUE INPUT
R-27A NO NO NO NO NO
R-27B NO NO YES YES YES
R-27C NO YES YES YES YES
R-27D YES NO YES YES YES
MEASURING PARAMETERS

 

Phase - Neutral Voltage (VL_N)
Phase - Phase Voltage (VL_N)
Phase - Current (A)
Total Current (A)
Active Power (W)
Reactive Power (var)
Apparent Power (VA)
Power Factor(Cosø)
Active Electric Energy (Wh)
Avtive Electric Energy (Wh)
Reactive Electric Energy (varh)
Average Phase - Neutral Voltage (VL_N)
Average Phase - Phase Voltage (VL_N)
Frequency(Hz)
Total Active Power (W)
Total Reactive Power (var)
Total Apparent Power (VA)
Max. Value
Min. Value
Demand Value
TECHNICAL SPECIFICATIONS

 

INPUT NETWORK   3 Phase 3 Wire, 3 Phase 4 Wire
  Volts Rated Value AC 110V, 230V, 440 V
  Over Load Continuous : 1.2 times, Instantaneous : 2 times < 20s
Consumption < 1 VA each Phase
Impedance >500kΩ
Current Rated Value AC 1A, 5A
Over load Continuous : 1.2 times, Instantaneous: 20 times < 1s
Impedance < 20mΩ
Frequency 45 - 65 Hz
OUTPUT   Output Mode Two channel open - collector optical coupling pulse output
  Electric Pulse Active 10000 imp/kwh
Energy Constant Reactive 10000 imp/kvarh
Start At rated voltage, reference frequency and the load current is more than
0.001 times in, can start and measure the electric energy continuously.
Communication Output mode RS 485, PROTOCOL MODBUS, RTU
  Baud Rate 1200, 2400, 4800, 9600
Analog Output Channels Four Channels
Output Mode 0-20mA, 4-20mA programmable
Load Ability < 400 W
Switching Value Channels Four Channels
Output Mode Normally open relay contact output
Load Ability 240 VAC / 1A
Swiching Value input Four dry contact input modes
ACCURACY Volts, Current ±(0.5%FS + 2dgts)
  Watts, Var, KVA ±(0.5%FS + 2dgts)
Frequency ±0.1 Hz
Power Factor ±0.01 PF
Active Energy ±0.5%
Reactive Energy ±2.0%
Auxillary Supply AC/DC 85-264 V, < 5VA
SUPPLY AC Breakdown

Between Input or Output and Supply :

2KV 50Hz/ 1 min.

SAFETY Voltage Between Input or Output: 1KV 50Hz/ 1 min.
  Input Resistance Between Input / Output / Supply and Casing : 20MΩ @ 500 VDC.
OPERATING CONDITION Tempreature OPERATING : - 10° ~ 50° C
STORAGE :- -25° ~ 70° C
Humidity < 85% RH free of moisture and gas
CONNECTION DIAGRAM