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15.13.3
Testing of the protection device according to EN81-A3
Testing of the protection device according to EN81-A3 to prevent accidental movement of the cabin
from the stopping point.
15.13.3.1
Powerless drifting of the cabin from the
fl
oor
The output stage is switched off, the motor brake open, the cabin drifts away.
Perform testing of protection device according to EN81-A3 with powerless drifting
Powersection
-> Checks
ZA-Intern
Select
"Checks"
menu
Checks
|
-
"
SCY_EN
OFF
|
-
"
ON
Enable tests
Select parameter
"SCY_EN"
Enter "SCY_EN=On"
Checks
|
-
"
SCY_A3
OFF
|
-
"
Powerless
A3 support
Select parameter
"SCY_A3"
Switch on test EN81-A3 with "SCY_A3=powerless"
Attention:
Drive command just opens
the brake, power unit
is without current!
Message that the brake is opened in the following trip
Danger!
•
The motor is not powered and drifts in the direction of the pulling load!
•
The monitor functions of the ZAdyn are deactivated. There is a risk for the system and persons due
to uncontrolled movement of the lift.
15.13.3.2
Travel with maximum acceleration from
fl
oor
The output stage is switched on, the brakes are open, the cabin is accelerated to maximum under full
power.
CAUTION!
Attention!
•
Do not perform testing of the protection device according to EN81-A3 "Travel with maximum
acceleration from
fl
oor" if the motor already has high temperature because the motor will be heated
up even more by the maximum acceleration.
•
The motor can be demagnetised by the testing of the protective device according to EN81-A3
"Travel with maximum acceleration from
fl
oor". ZIEHL-ABEGG provides no guarantee for motors
that do not originate from ZIEHL-ABEGG.
Original operating instructions
ZAdyn4B 110-180
Special functions
R-TBA15_01-GB 2014 Index 005
Part.-No. 00163453-GB
182/200