Parameter Details
11
11.8 H: Terminal Functions
YASKAWA ELECTRIC SIEP C710617 05F YASKAWA AC Drive GA700 Technical Manual 867
WARNING! Sudden Movement Hazard.
When using a 3-Wire sequence:
• Set the drive for 3-Wire sequence.
• Set b1-17 = 0 [Run Command at Power Up = Disregard Existing RUN Command]
• Wire the drive for 3-Wire sequence.
If these three conditions are correct, the motor can rotate in reverse when energizing the drive:
• The drive is wired for 3-Wire sequence.
• The drive is set for a 2-Wire sequence (default).
• b1-17 = 1 [Accept Existing RUN Command]
Failure to obey can cause death or serious injury from moving equipment.
Figure 11.79 3-Wire Sequence Wiring Example
.
Figure 11.80 3-Wire Sequence Time Chart
Note:
• To input the Run command, activate the terminal for 1 ms minimum.
• The default setting for b1-17 [Run Command at Power Up] is 0 [Disregard Existing RUN Command]. If you enable the Run command
when the drive is energized, the protective function will activate and the will flash quickly. If Run is permitted in the
application, set b1-17 = 1 [Accept Existing RUN Command].
■ 1: LOCAL/REMOTE Selection
Setting Function Description
1 LOCAL/REMOTE
Selection
Sets drive control for the keypad (LOCAL) or an external source (REMOTE).
Note:
• When the MFDI terminal sets the LOCAL/REMOTE selection, on the keypad is disabled.
• When LOCAL Mode is selected, the green light for comes on.
• When the Run command is ON, you cannot switch between LOCAL Mode and REMOTE Mode.
ON : LOCAL
The keypad is the Frequency reference source and Run command source.
OFF : REMOTE
The frequency reference and Run command settings are set in b1-01, b1-02 [Frequency Reference Selection 1/2]
or b1-15, b1-16 [Run Command Selection 1/2].
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