Parameter Motor brake and stop operation
FR-E700 SC EC/ENE 6 - 107
6.9.4 Stop-on contact control function
(Pr. 6, Pr. 48, Pr. 270, Pr. 275, Pr. 276)
To ensure accurate positioning at the upper limit etc. of a lift, stop-on-contact control causes a me-
chanical brake to be closed while the motor is developing a holding torque to keep the load in contact
with a mechanical stopper etc. This function suppresses vibration which is liable to occur when the
load is stopped upon contact in vertical motion applications, ensuring steady precise positioning.
햲
The parameter can be set when Pr. 160 "User group read selection" = 0.
햳
This parameter allows its setting to be changed during operation even if "0" (initial value) is set in
Pr. 77 "Parameter write selection".
I001567E
Fig. 6-45: Suppressing vibration in vertical motion applications
Pr. No. Name Initial Value Setting Range Description Parameters referred to
Refer to
Section
6
Multi-speed setting
(low speed)
10 Hz 0–400 Hz
Sets the output frequency for stop-on-
contact control.
4–6
24–27
15
48
59
72
79
128
178–184
292
Multi-speed setting
Jog frequency
Second stall prevention
operation current
Remote function selection
PWM frequency selection
Operation mode selection
PID action selection
Input terminal
function selection
Automatic acceleration/
deceleration
6.6.1
6.6.2
6.3.5
6.6.3
6.15.1
6.18.1
6.20.1
6.10.1
6.7.4
48
Second stall prevention
operation current
햲
9999
0–200%
Sets the stall prevention operation level
for stall prevention operation level.
9999 Pr. 22 setting
270
Stop-on contact control
selection
햲
0
0 Normal operation
1 Stop-on-contact control
275
Stop-on contact excitation
current low-speed multiplying
factor
햲햳
9999
0–300%
Set the force (holding torque) for stop-
on-contact control.
Normally set 130% to 180%.
9999 Without compensation
276
PWM carrier frequency at stop-
on contact
햲
9999
0–9
Sets a PWM carrier frequency for stop-
on-contact control.
9999
As set in Pr. 72 "PWM frequency
selection".
AD
MFVC
AD
MFVC
GP
MFVC
GP
MFVC
Without stop-on-contact control With stop-on-contact control
Vibration Complete stop
Lift Lift
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