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Digital Meter Relay PSM-215B Series

Digital Meter Relay PSM-215B Series

  • Small case DIN size [48mm(W)×24mm(H)×72.8mm(D)]
  • A terminal for connection power supply is mounted to contribute to reduction of wiring mon-hour
  • Whole suface of panel supports IP65
  • Corresponding to RoHS Directive

■Input Specification

CodeMeasurement rangeResolutionInput resistanceMax. permissible inputDegree of certainty
11±99.99mV10μVApprox. 100MΩ±50V±(0.03%rdb + 2digit)
12±999.9mV100μV
13±9.999V1mVApprox. 1MΩ
1V1~5V0.4mV±50V

●DC Current Measurement

CodeMeasurement rangeResolutionInput resistanceMax. permissible inputDegree of certainty
2A4~20mA16μVApprox. 50Ω±50mA±(0.03%rdb + 2digit)

*For each rannge, the accuracy is applied at (FSC-OFS)/(FIN-OIN)≦1.
*The resolution is a description assuming the initial setting.

■Comparison Part Specification

Number of output points3points(select from HH/HI/GO. HI/GO/LO. GO/LO/LL)
Output formatRelay contact output or photo-coupler output
Relay contact output specificationContact rating : DC24V 1A (resistance load)
Mechanical lifetime : 5 million times
Electrical lifetime : 100,000 times
Photo-coupler output specificationOutput rating sink current : 50mA
Applied voltage : DC30V
Output saturation voltage:1.2V or less(at 50mA)
setting of judgment value-9999 to 9999
HysteresisSettable within 1 to 999 digits for each judgment value
Action velocityRelay contact : max.5ms  photo-copuler : max.1ms
Relation condition and behaviorRefer to the table shown below

Higher and Lower Limits Judgment (HI-GO-LO)

Comparison ConditionJudgment MonitorComparison OutputRelay contact
AL1AL2LO
(OUT1)
GO
(OUT2)
HI
(OUT3)
Display value > Higher limit judgment valueOFFONOFFOFFONContact a
Lower limit judgment value ≦ Display value ≦ Higher limit judgment valueOFFOFFOFFONOFF
Lower limit judgment value > Display valueONOFFONOFFOFF

Higher Higher Judgment (HH-HI-GO)

Comparison ConditionJudgment MonitorComparison OutputRelay contact
AL1AL2GO
(OUT1)
HI
(OUT2)
HH
(OUT3)
Display value > Higher higher limit judgment valueOFFONOFF ONONContact a
≦ Display value ≦ Higher limit judgment valueOFFOFFOFFONOFF
Higher limit judgment value > Display valueONOFFONOFFOFF

Lower Lower Judgment (GO-LO-LL)

Comparison ConditionJudgment MonitorComparison OutputRelay contact
AL1AL2LL
(OUT1)
LO
(OUT2)
GO
(OUT3)
Display value ≧ Lower limit judgment valueOFFONOFFOFFONContact a
Lower limit judgment value > Display valueOFFOFFOFFONOFF
Lower lower limit judgment value > Display valueONOFFON ONOFF

●Relay Contact Output(parallel use with photo coupler output is not available)

Output RatingDC24V  1A(resistance load)

●Photo Coupler Output(parallel use with relay contact output is not available)

Output RatingDC30V  50mA
Output Saturation Voltage1.2V or less(at 50mA)

●External Control

Digital ZeroFluctuation range from the point is displayed

■Common specifications

DisplayRed 7-segment LED (character height 8mm)
Plarity display"-" is automatically display when the input signal is negative
Display range-9999〜9999
ScallingOffset ± 9999  Full scale ± 9999
Overrange warningOL or -OL is displayed
Decimal pointArbitrarily settable
Zero displayReading zero suppress
Range of use temperature and humidity -10~55℃/35~85%RH( no dew condensation )
Range of storage temperature and humidity-20~70℃/60%RH or less( no dew condensation )
Power supplyDC 24V ± 20%
Power consumptionApprox. 2.2W
External dimensions24mm(H)×48mm(W)×72.8mm(D)
MassApprox. 70g
Withstand voltageBetween case and power supply terminal / Input terminal / Each output terminal AC 1500V for one minute
Betoween power supply terminal and input terminal / Each output terminal DC 500V for one minute
Between input terminal and each output terminal DC 500V for one minute
Insulation resistanceDC 500V, 100MΩ or more in betweenn terminals show above
Protection structureIP65(全面)   ※JIS C 0920
Conforming standardsEN61326-I, EN50581 ( input code 14 is not supported )
Measurement sampling speedMax. 40ms ( 25 times/second)
Average of movementSet from none / 2 / 4 / 8 / 16 / 32
Display update cycleMax. approx. 40ms ( 25 times/second )
Power supply of sensorDC 24V ± 5%, 25mA or less
Regular accessoriesUnit sticker, attachment band

■Optional Specification

●RS-485 communication

Simultaneous MethodAsynchronous method
Communication Methos2-wire type semi double ( poling selecting method )
Transmission Speed38,400bps / 19,200bps / 9,600bps / 4,800bps / 2,400bps
Start Bit1bit
Data Length7bit/8bit
ParityEven parity / odd parity / no parity
Error DetectionBCC check sum
Stop Bit1bit/2bit
Character CodeASCⅡ code
DelimiterCR/CR + LF
Transmission Control ProcedureNo procedure
Name of signal for communicationNoniversion (+), Inversion (-)
Number of connected metersMax. 31 meters
Length of lineMax. 500m ( total )

●Analog Output

Output TypeLoad ResistanceAccuracyRipple
4~20mA510Ω or less±(0.2% of FS)25mVp-p or less
0~10V5KΩ or more50mVp-p or less
Conversion methodPWM conversion method
Resolution13bit-worth
Response timeapprox. 100ms

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