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5.7 H: Terminal Functions
270
YASKAWA ELECTRIC
SIEP C710636 02B YASKAWA U1000 Technical Manual
shows an Up/Down function example with a lower frequency reference limit set by d2-02, and the frequency
reference hold function both enabled (d4-01 = 1) and disabled (d4-01 = 0).
Figure 5.59
Figure 5.59 Up/Down Command Operation
Setting 12, 13: Forward Jog, Reverse Jog
Digital inputs programmed as Forward Jog (H1-
= 12) and Reverse Jog (H1-
= 13) will be Jog inputs that do not
require a Run command. Closing the terminal set for Forward Jog input will cause the drive to ramp to the Jog frequency
reference (d1-17) in the forward direction. The Reverse Jog will cause the same action in the reverse direction. The
Forward Jog and Reverse Jog command can be set independently.
Note:
The Forward Jog and Reverse Jog commands override all other frequency references. However, if the drive is set to prohibit
reverse rotation (b1-04 = 1), then activating Reverse Jog will have no effect. If both the Forward Jog and Reverse Jog are input
simultaneously for 500 ms or more, an alarm will occur and the drive will ramp to stop.
Figure 5.60
Figure 5.60 FJOG/RJOG Operation
Setting 14: Fault reset
Whenever the drive detects a fault condition, the fault output contact will close and the drive’s output will shut off. The
motor then coasts to stop (specific stopping methods can be selected for some faults such as L1-04 for motor overheat).
Once the Run command is removed, the fault can be cleared by either the RESET key on the digital operator or by
closing a digital input configured as a Fault Reset (H1-
= 14).
Note:
Fault Reset commands are ignored as long as the Run command is present. To reset a fault, first remove the Run command.
Setting 15, 17: Fast Stop (N.O., N.C.)
The Fast Stop function operates much like an emergency stop input to the drive. If a Fast Stop command is input while
the drive is running, the drive will decelerate to a stop by the deceleration time set to C1-09 (
). The drive can only be restarted after is has come to a complete stop, the Fast Stop input is off, and
the Run command has been switched off.
• To trigger the Fast Stop function with a N.O. switch, set H1-
= 15.
• To trigger the Fast Stop function with a N.C. switch, set H1-
= 17.
Accelerates to
lower limit
Output frequency
upper limit
Lower limit
FWD run/stop
Up command
Down command
Power supply
Same
frequency
d4-01 = 1
d4-01 = 0
ON
ON
ON
ON
ON
Hold
Frequency
reset
d1-17
ON
Output
Frequency
FJOG
d1-17
ON
RJOG
SIEP_C710636_02B_1_0.book 270 ページ 2015年11月25日 水曜日 午後4時56分