136 User’s Manual PLZ-5W
Specifications ｜
Common specifications
EXT CONT connector
Item Specifications
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.
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.
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.
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.
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.
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.
Setting accuracy ±(1 % of range) (TYP value of H range in CC mode)
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.
Setting accuracy ±(1 % of range) (TYP value)
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.
Setting accuracy ±(1 % of range) (TYP value of H range)
Load-on status output
On when load is on. Open-collector output from a photocoupler.
*1
Range status output
Outputs current range state L, M, and H using 2 bits. Open-collector output from a photocoupler.
*1
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
ALARM 2 output Turns on when OCP, OPP, UVP, or WDP is activated.
DIGITAL 0 output Logic signal output during a step of a sequence.
Output impedance: approx. 330 Ω, output voltage: 3.3 V
EMF
DIGITAL 1 output
DIGITAL 2 input/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.
Current monitor output
Outputs 0 V to 10 V for 0 % to 100 % of the rated current of each range
Accuracy ±(1 % of range) (TYP value of H range)
Short contact output. Relay contact turns on when the short function is turned on (30 Vdc/1 A).
*1. The maximum voltage that can be applied to the photocoupler is 30 V. The maximum current is 4 mA.
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