Toshiba TOSVERT VF-AS3 Instruction Manual page 7

Rs485 communication function

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Communication function overview

This instruction manual describes an RS485 communication interface embedded in TOSVERT VF-

AS3.

• Do not connect Ethernet to the RS485 communication connector.

This can result in malfunction.

Prohibited

A: Standard function RS485 communication connector 1 using a 2-wire RS485 communication port

(The operation panel is mounted by default.)

B: Standard function RS485 communication connector 2 using a 2-wire/4-wire RS485 communication

port

(A 2-wire port can be used with the default setting.)

In VF-AS3, you can use the computer link function to carry out data communication between the

controller (hereinafter referred to as computer) and the inverter by connecting the optional USB

communication conversion unit (USB001Z).

Available communication protocols are TOSHIBA inverter protocol and MODBUS-RTU protocol. You

can set which protocol to use in [F807: RS485 (1) protocol] or [F827: RS485 (2) protocol].-> Refer to [4.

Selecting communication protocol]

VF-AS3

CAUTION

RS485 communication

connector 1

RS485 communication

connector 2 (RS485COM2)

1-1

1. Communication function overview

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