YASKAWA
SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual
297
Figure 4.27 Safe Disable Function Wiring Example
■
Enabling and Disabling the Drive Output (“Safe Torque Off”)
Refer to
for an example of drive operation when the drive changes from
“
Safe Torque Off
”
status to
usual operation.
Figure 4.28 Safe Disable Operation
Switching from Usual Operation to “Safe Torque Off”
Turn OFF (open) safety input terminal H1 or H2 to enable the Safe Disable function. When the Safe Disable
function is enabled while the motor is operating, the drive output and motor torque turn off and the motor always
coasts to stop. The
b1-03 [Stopping Method Selection]
setting does not have an effect on the stopping method.
The
“
Safe Torque Off
”
status is only possible with the Safe Disable function. Clear the Run command to stop the
drive. Turning off drive output (a baseblock condition) ≠
“
Safe Torque Off
”
.
Note:
•
When it is necessary to ramp to stop the motor, do not turn off terminals H1 and H2 until the motor fully stops. This will prevent the
motor from coasting to stop during usual operation.
•
A maximum of 3 ms will elapse from when terminals H1 or H2 shut off until the drive switches to the
“
Safe Torque Off
”
status. Set the
OFF status for terminals H1 and H2 to hold for at least 3 ms. The drive may not be able to switch to the
“
Safe Torque Off
”
status if
terminals H1 and H2 are only open for less than 3 ms.
Going from “Safe Torque Off” to Usual Operation
The safety input will only release when there is no Run command.
•
During Stop
Содержание CR700
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Страница 422: ...7 7 Storage Guidelines 422 YASKAWA SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual ...
Страница 426: ...8 2 Disposal Instructions 426 YASKAWA SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual ...
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