Japanese 
English
Chinese 
Korean 
Digital Meter Relay PSM-215A Series
- Small case in DIN size [48mm (W) x 24mm (H) x 88mm (D)]
- Front panel operating digital scaling
- Hi-Lo comparison output (relay photo coupler)
- RoHS compliant
■Input Specification
DC Current Measurement
| Range | Measurement Range | Display | Input Impedance | Maximum Allowable Input |
|---|---|---|---|---|
| 11 | ±99.99mV | Offset ±9999 Full scale ±9999 |
100MΩ or more | ±50V |
| 12 | ±999.9mV | 100MΩ or more | ±50V | |
| 13 | ±9.999V | Approximately 1ＭΩ | ±50V | |
| 1V | 1 to 5V | Approximately 1ＭΩ | ±50V |
*Accuracy:±(0.03％ of rdg + 2digit) (at 23℃ ± 5℃)
DC Current Measurement
| Range | Measurement Range | Display | Input Impedance | Maximum Allowable Input |
|---|---|---|---|---|
| 2A | 4 to 20mA | Offset ±9999 Full scale ±9999 |
Approximately 50Ω | ±50mA |
*Accuracy:±(0.1％ of rdg + 2digits) (at 23℃ ± 5℃)
*For each range, the accuracy is applied at (FSC-OFS)/(FIN-OIN) ≤ 1.
■Comparison Part Specification
| Control Method | Microcomputer calculation method |
|---|---|
| Setting Range | -9999 to 9999 |
| Comparison Operation | Depends on sampling speed |
| Setting Condition | For higher and lower limits judgment (HI-GO-LO), higher limit judgment value > lower limit judgment value |
| For higher and higher limits judgment (HH-HI-GO), higher higher limit judgment value > higher limit judgment value | |
| For lower and lower limits judgments (GO-LO-LL), lower judgment value > lower lower judgment value | |
| Hysteresis | 1 to 999 digits can be set for each comparison judgment value |
●Comparison Condition
Higher and Lower Limits Judgment (HI-GO-LO)
| Comparison Condition | Judgment Monitor | Comparison Output | |||
|---|---|---|---|---|---|
| AL1 | AL2 | OUT1 | OUT2 | OUT3 | |
| Measurement value > higher limit judgment value | ON | ON | OFF | ON | ON |
| Lower limit judgment value ≤ measurement value ≤ higher limit judgment value | OFF | OFF | OFF | ON | OFF |
| Lower limit judgment value > measurement value | ON | OFF | ON | OFF | OFF |
Higher Higher Judgment (HH-HI-GO)
| Comparison Condition | Judgment Monitor | Comparison Output | |||
|---|---|---|---|---|---|
| AL1 | AL2 | OUT1 | OUT2 | OUT3 | |
| Measurement value > higher higher limit judgment value | ON | ON | OFF | ON | ON |
| Measurement value > higher limit judgment value | ON | OFF | OFF | ON | OFF |
| Higher limit judgment value ≥ measurement value | OFF | OFF | ON | OFF | OFF |
Lower Lower Judgment (GO-LO-LL)
| Comparison Condition | Judgment Monitor | Comparison Output | |||
|---|---|---|---|---|---|
| AL1 | AL2 | OUT1 | OUT2 | OUT3 | |
| Measurement value ≥ lower limit judgment value | OFF | OFF | OFF | OFF | ON |
| Lower limit judgment value > measurement value | OFF | ON | OFF | ON | OFF |
| Lower lower limit judgment value >measurement value | ON | ON | ON | ON | OFF |
●Relay Contact Output (parallel use with photo coupler output is not available)
| Output Rating | DC24V 1A(resistance load) |
|---|
●Photo Coupler Output (parallel use with relay contact output is not available)
| Output Rating | DC30V 50mA |
|---|---|
| Output Saturation Voltage | 1.2V or less (at 50mA) |
■General Specification
| Measurement Function | One of DC voltage or DC current (single range) |
|---|---|
| Input Circuit | Single ended |
| Operation Method | ΔΣConversion Method |
| Sampling Speed | Max. 25 times/second |
| Display | Red 7 segments LED display (height of character 8mm) |
| Polarity Display | "-" is displayed when the calculation result is negative |
| Over Range Warning | oL or –oL is displayed for input signal of display range or more |
| Max. Display | ±9999 (full 4 digits) |
| Decimal Point | Can be set at arbitrary position by front face sheet switch |
| Zero Display | Leading zero suppress |
| Backup | Setting data is stored in EEPROM (number of writings is 100,000 times) |
| Operating Temperature & Humidity | 0 to 50℃/35 to 85％RH (no dew condensation) |
| Storage Temperature & Humidity | -20 to 70℃/60％RH or less (no dew condensation) |
| Power Supply Voltage | DC 24V ± 20％ |
| Power Consumption | Approximately 4W |
| External Dimensions | 48mm(W)×24mm(H)×87.8mm(D) * Screw terminal included |
| Weight | Approximately 100g |
| Withstand Voltage | Between power supply terminal and input terminal, between each output terminal DC 500V, one minute |
| Between input terminal and each output terminal DC 500V, one minute | |
| Between case and power supply terminal, input terminal, between each output terminal AC1500V, one minute | |
| Insulation Resistance | Between case and power supply terminal, input terminal, between each output terminal AC1500V, one minute |
| Accessory | Instruction manual, attachment band, unit sticker |
■External Control Part
| Digital Zero | Digital zero is turned ON by short-circuiting DZ terminal and COM terminal or same electric potential |
|---|
■External Power Supply Part
| Rating | DC24V±5％ |
|---|---|
| Maximum Load | 25mA |
■Optional Specification
●RS-485 Part (mounting with analog output at once is not available)
| Simultaneous Method | Asynchronous method |
|---|---|
| Communication Method | Communication Method |
| Transmission Speed | 38,400bps/19,200bps/9,600bps/4,800bps/2,400bps |
| Start Bit | 1 bit |
| Data Length | 7 bits/8 bits |
| Parity Bit | Even parity / odd parity / no parity |
| Error Detection | BCC (Block Check Character) check sum |
| Stop Bit | 1 bit / 2 bits |
| Character Code | ASCII code |
| Delimiter | CR/CR + LF |
| Transmission Control Procedure | No procedure |
| Name of Used Signal | Noninversion (+), inversion (-) |
| Number of Connected Meters | Max. 31 meters |
| Length of Line | Max. 500m (total) |
●Analog Output Part (mounting with RS-485 at once is not available)
| Output Specification | Output Specification | |||
|---|---|---|---|---|
| Output Specification | Type | Load Resistance | Accuracy | Ripple |
| 4 to 20mA | 0 to 250Ω | ±(0.5％ of FS ) | 25mVp-p or less | |
| 0 to 10V | 10KΩ or more | ±(0.5％ of FS ) | 50mVp-p or less | |
