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Digital Meter Relay PSM-04D Series

  • Small case in DIN size [48mm (W) x 24 mm (H) x 66mm (D)]
  • Front panel operating digital scaling
  • Hi-Lo comparison output (relay output)
  • Analog output built in (4 to 20mA)
  • RoHS compliant

■Measurement Input

Input Signal Source 2-wire type various linear sensors and converters
Input Method Single end input (isolated from power supply)
Input Resistance 20Ω: I input range, 2-wire type various linear sensors and converters
Allowable Over Input ±110mA: I input range
Scaling Method Digital scaling method by key switch input
Scaling Range Zero scale setting range: ±9999
Full scale setting range: zero scale setting value ±10000
A-D Conversion Method Double integral technique with zero correction
NMRR 40dB standard (2.5 times/second, 50Hz)
Measurement Accuracy ±0.1% of FS ± 1 digit
Ta=+23℃±5℃ 35 to 85%RH, one year
Temperature Drift ±100ppm of FS/℃
Ta=0℃ to +50℃
Warm-up Time 5 minutes
Sampling Rate Selected and set from one of 10, 5, 2.5, 1 time/second

■Display

Number of Displayed Digits ±4 digits displayed (±9999 displayed)
Display Range For the portion of arbitrary 10000 digits within ±9999 display
Indicator Height of character 8mm, 7 segments red LED
Display Rate Selected and set from one of 10, 5, 2.5, 1, 0.5 time/second
Polarity Display "-" is displayed for minus only
Overflow Display Overflow of input Display blinks at
Input ≥ +110% FS
Input ≤ -10% FS
Overflow of display Display blinks at
Display value > +9999
Display value < -9999
Decimal point display 40dB standard (2.5 times/second, 50Hz)
Measurement Accuracy Can light up at arbitrary digit by key switch input
Zero Suppress "0" display of upper digits of decimal point display can be suppressed
Last Digit [0] Fixed Display Display with 0 power digit of 10 fixed to "0" is available

■Comparison

Comparison Value Setting Method Digital setting method by key switch
Comparison Value Setting Range -9999 to +9999 digits
Comparison Value Setting Resolution 1 digit
Hysteresis Setting Range 1 to 9999 digits
Hysteresis Setting Resolution 1 digit
Comparison Method Individual comparison method
The setting value of CTN1 and 2 can be set individually. For comparison mode, "H" and "L" are available, and when "H" is set, upper comparison operation is set, and when "L" is set, lower comparison operation is set.
For both of CTN 1 and 2, hysteresis can be set individually.
Comparison Operation CNT1="H" measurement value ≥ CNT1 setting value: relay and LED for CNT1 are turned ON
CNT1="L" measurement value  CNT1 setting value: relay and LED for CNT1 are turned ON
CNT2="H" measurement value ≥ CNT2 setting value: relay and LED for CNT2 are turned ON
CNT2="L" measurement value  CNT2 setting value: relay and LED for CNT2 are turned ON
Comparison Output Relay contact output
Type of contact: 1 make contact (a contact)
Contact capacity: DC 30V / 1A, AC 125V / 0.3A (resistance load)
Lifetime of contact: 100,000 times or more (at 1,800 times/h opening and closing)
Mechanical lifetime: 50,000,000 times or more

■Analog Output

Analog Output Displayed value supported
Zero scale setting value corresponds to analog zero output
Full scale setting value corresponds to analog full output
Output Accuracy ±0.5%FS
Resolution Approximately 10,000
Load Resistance 4 to 20mA range 300Ω or less

■Electric Supply Source

Voltage DC 24V ± 15%(DC 20.4V to DC 27.6V)
Power Consumption Approximately 2.5W (sensor output current = 25A, CNT1, 2 = ON, -88.88 display)

■Power Supply for Sensor

OutputVoltage DC 24V ± 10%(DC 21.6V to DC 26.4V) (Ta=23℃ ± 5℃)
Output Current 25mA max
Temperature Drift 250ppm/℃ standard (Ta=0 to +50℃)

■Environment

Operation Temperature 0 to +55℃
Operation Relative Humidity 35 to 85%RH(no dew condensation)
Storage Temperature -20 to +70℃

■Other

Terminal Block for I/O Connection Terminal block for connecting strip wire
SMKDS1,5 made by Phoenix Contact
Backup Memory Each setting data is backed up by EEPROM
Number of writings: approximately 1 million times, number of storage years: approximately 10 years
Noise Resistance (EMC Directive) EN61326: planned to be adapted in 1997
Withstand Voltage AC 500V, one minute, (power supply vs input, live part collectively vs case)
Insulation Resistance 100MΩ or more (initial value: measured at DC 500 mega, power supply vs input, live part collectively vs case)
Oscillation Resistance (Performance) 10 to 55 Hz, width of oscillation 1.5mm, 2 hours for X, Y and Z direction each
Impact Resistance (Performance) 294m/s2 (Approximately 30G) 3 times for 6 directions of X, Y and Z each
External DiameterSize 24H×48W×66D(mm)
Weight Approximately 55g
Case Made of plastic mold

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