INVERTER SETTING

3.2 Operation Modes of the Inverter

The inverter mounted with the CC-Link unit (FR-E5NC) has the following operation modes:

(1)PU operation mode ............... Controls the inverter from the keyboard of the operation panel (FR-PA02-02) or parameter unit (FR-PU04) installed to the inverter.

(2)External operation mode ....... Controls the inverter by switching on/off external signals connected to the control circuit terminals of the inverter.

(3)CC-Link operation mode ....... Controls the inverter in accordance with the PLC program via the CC-Link unit (FR-E5NC).

3.2.1 Operation mode switching

(1) Operation mode switching conditions

Before switching the operation mode, check that:

1)The inverter is at a stop;

2)Both the forward and reverse rotation signals are off; and

3)The Pr. 79 "operation mode" setting is correct.

(For setting, use the inverter's operation panel or optional parameter unit.)

Pr. 79 Setting

Operation Mode Selection

Switching to CC-Link Operation Mode

0

PU or external operation

Disallowed when the PU mode is selected. Allowed when the

external mode is selected.

 

 

1

PU operation mode

Disallowed

2

External operation mode

Allowed

3, 4

External/PU combined operation mode

Disallowed

6

Switch-over

Allowed

7

External operation (PU operation interlock)

Allowed only in the external operation mode when the output shut-

off signal (MRS) is off.

 

 

8

PU or external (signal switching)

Allowed only in the external operation mode (X16 on).

12