YASKAWA OYMC V1000, Programming Manual

Page: 152 / 408

1.7 H: Terminal Functions
152 YASKAWA ELECTRIC SIEP C710606 10A YASKAWA AC Drive - V1000 PRELIM. Programming Manual
2. These functions are assigned to the terminals S1 and S2 when the drive is initialized for 2-wire
sequence.
Setting 42/43: Run and Direction Command for 2-Wire Sequence 2
Sets the drive for 2-wire sequence 2.
When the input programmed for 42 is closed, the drive will operate in the selected direction.
When the input opens, the drive will stop. The input programmed for 43 selects the
direction. If it is open the forward direction is selected, if it is closed then the drive operates
in reverse.
Note: This function can not be used simultaneously with settings 40 and 41.
Setting 44/45/46: Offset Frequency 1/2/3 Addition
These inputs can be used to add offset frequencies d7-01, d7-02, and d7-03 to the frequency
reference. Refer to
d7-01 to d7-03: Offset Frequency 1 to 3 on page 108 for details.
Setting 60: DC Injection Braking
When a DC Injection Braking command is input while the drive is stopped, DC Injection
Braking operation is activated. When a Run command or a Jog command is input, DC
Injection Braking is released. Refer to
b2: DC Injection Braking on page 47 for details on
setting up the DC braking function.
The diagram below illustrates the DC Injection Braking function.
Figure 1.52
Figure 1.52 DC Injection Braking Input Timing Diagram
DC Injection braking
command
FWD Run command
Output frequency
DC Injection
braking
DC Injection
braking
DC Injection Braking
Start Frequency
(b2-01)
OFF
OFF OFF
OFF ON
ON