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YASKAWA
TOEPC71061723A YASKAWA AC Drive CR700 Quick Start Guide
The keypad flashes
SToF [Safe Torque OFF Hardware]
when one input channel is OFF (Open), and the other is
ON (Close the circuit). This indicates that either the Safe disable circuit or the drive are damaged. When you use
the Safe disable circuit correctly, the keypad will not show
SToF
. Refer to the chapter on Troubleshooting for
more information.
The keypad will show
SCF [Safety Circuit Fault]
when the drive detects a fault in the Safe disable circuit. This
indicates that the drive is damaged. Refer to the chapter on Troubleshooting for more information.
■
Validating the Safe Disable Function
After you replace parts or do maintenance on the drive, first complete all necessary wiring to start the drive, then
test the Safe Disable input with these steps. Keep a record of the test results.
1. When the two input channels are OFF (Open), make sure that the keypad flashes
STo [Safe Torque OFF]
, and
make sure that the motor is not running.
2. Monitor the ON/OFF status of the input channels and make sure that MFDO set to the EDM function operates
as shown in
Safe Disable Monitor Output Function and Keypad Display on page 125
.
If one or more of the these items are true, the ON/OFF status of the MFDO may not display correctly on the
keypad:
•
Incorrect parameter settings.
•
A problem with an external device.
•
The external wiring has a short circuit or is disconnected.
•
There is damage to the device.
Find the cause and repair the problem to correctly display the status.
3. Make sure that the EDM signal operates during usual operation as shown in
Function and Keypad Display on page 125
.
20
Disposal Instructions
Correctly discard the drive, packing material, battery, and microSD card as specified by regional, local, and
municipal laws and regulations for this product.
Note:
•
Remove the battery and microSD card from the keypad before you discard the drive.
•
You cannot recycle the battery. Discard used batteries as specified by the battery manufacturer.
•
Customers are responsible for microSD card data protection.
PC functions that format and delete the data may not be sufficient to fully erase the microSD card data. Yaskawa recommends that
customers physically destroy the microSD card in a shredder or use data wipe software to fully erase the card.
◆
WEEE Directive
The wheelie bin symbol on this product, its manual, or its packaging identifies that you must recycle it at the end
of its product life.
You must discard the product at an applicable collection point for electrical and electronic equipment (EEE). Do
not discard the product with usual waste.