Caution • Do not leave wire chips into the DCL-33A when wiring, because they could cause fire, malfunction and trouble.
• Insert the connecting cable into the designated connector securely. Not doing so could cause
malfunction due to imperfect contact.
• Connect the AC power to the designated terminal as is written in this instruction manual. Otherwise it
may burn and damage the DCL-33A.
• Tighten the terminal screw with the specified torque. Excessive force could damage the terminal screw
and deface the case.
• Use a thermocouple and compensating lead wire that corresponds to the sensor input specification of this unit.
• Use the 3-wire RTD that corresponds to the sensor input specification of this unit.
• When using DC voltage and current inputs, be careful not to confuse the polarity when wiring.
• When using a 24V AC/DC for the power source, do not confuse the polarity when using a direct
current (DC).
• Keep input wires (Thermocouple, RTD, etc.) away from power source and load wires when wiring.
• Do not apply a commercial power source to the sensor connected to the input terminal nor allow the
power source to come into contact with the sensor.
• To prevent the unit from harmful effects of the unexpected level noise, it is recommended that a surge
absorber be installed between the electromagnetic switch coils.
• This unit does not have built-in power switch, circuit breaker or fuse. Therfore it is necessary to install
them in the circuit near the external unit.
(Recommended fuse: Time-lag fuse, Rated voltage 250V AC, Rated current 2A)
Caution • Do not leave wire chips into the DCL-33A when wiring, because they could cause fire, malfunction and trouble.• Insert the connecting cable into the designated connector securely. Not doing so could cause malfunction due to imperfect contact.• Connect the AC power to the designated terminal as is written in this instruction manual. Otherwise it may burn and damage the DCL-33A.• Tighten the terminal screw with the specified torque. Excessive force could damage the terminal screw and deface the case.• Use a thermocouple and compensating lead wire that corresponds to the sensor input specification of this unit.• Use the 3-wire RTD that corresponds to the sensor input specification of this unit.• When using DC voltage and current inputs, be careful not to confuse the polarity when wiring.• When using a 24V AC/DC for the power source, do not confuse the polarity when using a directcurrent (DC).• Keep input wires (Thermocouple, RTD, etc.) away from power source and load wires when wiring.• Do not apply a commercial power source to the sensor connected to the input terminal nor allow the power source to come into contact with the sensor.• To prevent the unit from harmful effects of the unexpected level noise, it is recommended that a surgeabsorber be installed between the electromagnetic switch coils.• This unit does not have built-in power switch, circuit breaker or fuse. Therfore it is necessary to install them in the circuit near the external unit. (Recommended fuse: Time-lag fuse, Rated voltage 250V AC, Rated current 2A)
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