YASKAWA E1000 Technical Manual page 182

5.7 H: Terminal Functions
Setting 0: 3-Wire Sequence
When one of the digital inputs is programmed for 3-wire control, that input becomes a forward/reverse directional input,
S1 becomes the Run command input, and S2 becomes the Stop command input.
The drive will start the motor when the input S1 set for the Run command is closed for longer than 2 ms. The drive will
stop the operation when the Stop input S2 is released for a brief moment. Whenever the input programmed for 3 wire
sequence is open, the drive will be set for forward direction. If the input is closed, the drive is set for reverse direction.
Note: When 3-wire sequence is selected, the Run and Stop commands must be input via S1 and S2.
Figure 5.31
Figure 5.32
Run command
Stop command
Forward/reverse
command
Motor speed
Note: 1. The Run command must be closed for more than 2 ms.
2. If the Run command is active at power up and b1-17 = 0 (Run command at power up not accepted), the Run LED will flash to
indicate that protective functions are operating. If required by the application, set b1-17 to 1 to have the Run command issued
automatically as soon as the drive is powered up.
WARNING! Sudden Movement Hazard. Ensure start/stop and Hardwire Baseblock circuits are wired properly and in the correct state
before energizing the drive. Failure to comply could result in death or serious injury from moving equipment.
WARNING! The drive may start unexpectedly in reverse direction after power up if it is wired for 3-wire sequence but set up for 2-wire
sequence (default). Make sure b1-17 is set to "0" (drive does not accept a Run command active at power up). When initializing the
drive use 3-wire initialization. Failure to comply could result in death or serious injury from moving equipment.
Setting 1: LOCAL/REMOTE Selection
This setting allows the input terminal to determine if the drive will run in LOCAL mode or REMOTE mode.
Status
Closed LOCAL: Frequency reference and Run command are input from the digital operator.
REMOTE: Frequency reference and Run command are input from the external reference that has been selected. If a digital input set to H1- = 2 is active, they will
Open
be read from external reference source 2 (b1-15 and b1-16). Otherwise they will be read from external reference source 1 (b1-01 and b1-02).
Note: 1. If one of the multi-function input terminals is set to for LOCAL/REMOTE, then the LO/RE key on the operator will be disabled.
2. When the drive is set to LOCAL, the LO/RE LED will light.
3. The default setting of the drive is not to allow switching between LOCAL and REMOTE during run. To allow the drive to switch
between LOCAL and REMOTE during run,
182
Stop Switch Run Switch
(N.C.) (N.O.)
S1
S2
S5
SC
Figure 5.31 3-Wire Sequence Wiring Diagram
2 ms min.
Can be either ON or OFF
OFF (forward)
Stop Forward
Figure 5.32 3-Wire Sequence
Refer to b1-07: LOCAL/REMOTE Run Selection on page
YASKAWA ELECTRIC SIEP C710616 35D YASKAWA AC Drive E1000 Technical Manual
DRIVE
Run Command (Runs when Closed)
Stop Command (Stops when Open)
FWD/REV (Multi-Function Input)
(H1-05 = 0)
Sequence Input Common
OFF (stopped)
ON (reverse)
Reverse Stop
Description
TIME
Foward
135.