YASKAWA Varispeed-606PC3 Instruction Manual download pdf (Page 155)

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4. The carrier frequency is automatically reduced to 2.5 kHz

when the Reducing Carrier Frequency Selection at Low

Speed (n175) is set to 1 and the following conditions are

satisfied:

Output frequency ≤ 5 Hz

Output current ≥ 110%

Factory setting: 0 (Disabled)

5. When repeatedly starting and stopping a load that is more

than 120% of the Inverter’s rated current with a period of

less than 10 minutes, set the Reducing Carrier Frequency

Selection at Low Speed (n175) to 1.

 Operator Stop Key Selection (n007)

The Digital Operator stop button can be disabled by a

setting in the Inverter. Install a separate emergency

stop switch.

Failure to observe this warning may result in injury.

Set the processing when the STOP key is “pressed” during operation

either from a multi-function input terminal or communications.

Setting Description

0 The STOP key is effective either from a multi-

function input terminal or communications. When

the STOP key is pressed, the Inverter stops ac-

cording to the setting of constant n005. At this

time, the Digital Operator displays a alarm

(flashing). This STOP command is held in the

Inverter until both forward and reverse RUN com-

mands are open, or until the RUN command from

communications goes to zero.

1 The STOP key is ineffective either from multi-

function input terminals or communications.

WARNING

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YASKAWA Varispeed-606PC3 Instruction Manual Page 155