Toshiba BCN002Z instruction manual Wiring of a control terminal

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3.5. Wiring of a control terminal

Observe the following when wiring.

-Use 0.3 to 1.5mm2 solid/stranded wire (AWG 22 to 16) for control cables.

-Remove the sheath of a cable about 7mm (6mm for FLA, FLB, FLC and G/E) from the end of cable.

-Use a flat-headed screwdriver with its blade 0.6mm in thickness and 3.5mm in width.

-Screw tightening torque for the terminal block screws should be 0.5 to 0.6Nm.

N.B.: Keep the control signal cables 20cm or more separate from the power cables to prevent from malfunctioning due to electromagnetic noise.

N.B.: Provide an inter-lock system stated in below, when using a programmable controller that has the open collector output.

When the programmable controller is turned off with the inverter is on, the difference between each control power potential will cause wrong signals to the inverter as shown in below figure. Provide an inter-lock so that the programmable controller cannot be turned off when the inverter power is alive.

Programmable controller

VF-FS1 + BCN002Z

 

+24V

 

Input terminal

 

External

Fuse blowout

+24V supply

Inverter

detection

internal +24V

circuit

COM

Fuse

 

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Contents Tosvert VF-FS1 series BACnet option unit Safety precautions Safety precaution Handling in generalWiring Preface BCNTable of Contents Overview Names and functionsOutline Use of RS485 communication portLED indicator COM OFFERR Installation and Setup Installation methodDescription of terminals Network configuration Network cable connectionWiring of a control terminal Parameters Communication parametersSpecifications VF-FS1MODBUS-RTU VDCWarranty

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