Model | PLZ205W | PLZ405W | PLZ1205W |
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Load on/off control input | Logic level switchable. Pulled up to 5 V by a 10 kΩ resistor. The thresholds are HIGH: 3.5 V to 5 V, LOW: 0 V to 1.5 V. |
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Range control input | The range can be switched between L, M, and H using a 2 bit signal. Pulled up to 5 V by a 10 kΩ resistor. The thresholds are HIGH: 3.5 V to 5 V, LOW: 0 V to 1.5 V. |
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Alarm input | An alarm is activated with a voltage between 0 V and 1.5 V. Pulled up to 5 V by a 10 kΩ resistor. The thresholds are HIGH: 3.5 V to 5 V, LOW: 0 V to 1.5 V. |
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Alarm clearing input | After an alarm occurs, eliminate the root cause of the alarm, and change the input to pin 5 of the EXT CONT connector from a low level signal to a high level signal. The alarm will be cleared on the rising edge of this signal. Pulled up to 5 V by a 10 kΩ resistor. The thresholds are HIGH: 3.5 V to 5.0 V, LOW: 0 V to 1.5 V. |
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Trigger input | Paused sequence operation resumes when a voltage between 0 V and 0.8 V is received. Pulled up to 5 V by a 10 kΩ resistor. The thresholds are HIGH: 2 V to 5 V, LOW: 0 V to 0.8 V. |
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External voltage control input (CC, CR, CP mode) | | Controls the load settings of CC, CR, CP mode through external voltage input. The input impedance is approx. 10 kΩ. CC: The setting can be controlled in the range of 0% to 100% of the rated current through external voltage input of 0 V to 10 V. CR: The setting can be controlled in the range of 0% to 100% of the conductance setting through external voltage input of 0 V to 10 V. CP: The setting can be controlled in the range of 0% to 100% of the rated power through external voltage input of 0 V to 10 V. |
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Setting accuracy | ± (1% of range) (TYP value of H range in CC mode) |
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External voltage control input (CV mode) | | The load setting of CV mode can be controlled through external voltage input. The rated voltage can be controlled in the range of 0% to 100% with 0 V to 10 V. The input impedance is approx. 10 kΩ. |
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Setting accuracy | ± (1% of range) (TYP value) |
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External voltage control input (superimposing in CC mode) | | Controls the load setting of CC mode by adding current through external voltage input. Adds current in the range of -100% to 100% of the rated current for -10 V to 10 V. The input impedance is approx. 10 kΩ. |
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Setting accuracy | ± (1% of range) (TYP value of H range) |
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Load-on status output | On when load is on. Open-collector output from a photocoupler. *1 |
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Range status output | Outputs current range state L, M, and H using 2 bits. Open-collector output from a photocoupler. *1 |
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ALARM 1 output | Turns on when overvoltage detection, reverse-connection detection, overheat detection, alarm input detection, front-panel load input terminal overcurrent detection, or parallel operation anomaly detection is activated. Open-collector output from a photocoupler. *1 |
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ALARM 2 output | Turns on when OCP, OPP, UVP, or WDP is activated. |
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DIGITAL 0 / DIGITAL 1 output | Logic signal output during a step of a sequence. Output impedance: approx. 330 Ω, output voltage: approx. 3.3 VEMF |
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DIGITAL 2 output | Input/output switchable. Output: Logic signal output during a step of a sequence. The output impedance is 330 Ω.Input: Trigger input signal for the sequence and the measurement functions. The thresholds are HIGH: 2 V to 5 V, LOW: 0 V to 0.8 V. |
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Current monitor output | | Outputs 0 V to 10 V for 0% to 100% of the rated current of each range. |
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Accuracy | ± (1% of range) (TYP value of H range) |
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Short signal output | Relay contact turns on when the short function is turned on (30 Vdc/1 A). |
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*1 The maximum voltage that can be applied to the photocoupler is 30 V. The maximum current is 4 mA.