Yaskawa VS-616G5 Series Revision F Programming Manual User Manual

Page 12

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V/f

V/f w/PG Open Loop

Vector

Flux

Vector

12

VS-616G5 Programming Manual

This function selects the stopping method suitable for the particular application.

· Ramp to Stop (B1-03 = “0”)

Upon removal of the FWD (REV) run command, the motor decelerates at a rate determined by the
time set in deceleration time 1 (C1-02) and DC injection braking is applied after the minimum output
frequency (E1-09) has been reached. If the deceleration time is set too short or the load inertia is large,
an overvoltage fault (OV) may occur during deceleration. In this case, increase the deceleration time or
install an optional braking transistor and/or braking resistor (braking transistors are provided as stan-
dard for units 230V 7.5kW and smaller, 460V 15kW and smaller).

Braking torque: without braking resistor, approx. 20% of motor rated torque

with braking option, approx. 150% of motor rated torque

B1-03 Stopping Method Selection

Stopping Method

Q

Q

Q

Q

Setting

Description

0

Ramp to stop (factory default)

1

Coast to stop

2

DC injection to stop

3

Coast to stop with timer

Output Frequency

Decel time 1 (C1-02)

Run Command

ON

OFF

DC injection Braking Time

at Stop (B2-04)

Factory Default: 0.5 s

DC Injection Braking Start - B2-01)

Factory Default: 0.5Hz

Zero Speed Level (Frequency at

Figure 1 Stopping Method - Ramp to Stop

Section B: Application Parameters

B1 Sequence

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