3Com VFD-D D Refrigerator User Manual


 
Chapter 4 Parameter Settings|DD Series
4-27
accurate (1:1000).
Door Control Mode
Control mode VF VFPG SVC FOCPG FOCPM
Factory setting: 3
Settings
0: Distance control mode
1: Reserved
2: Multi-step speed control mode
3: Speed control mode
0: Distance control mode
Set encoder PG pulses accurately to ensure precise door width estimation. Door width is measured and
stored by Auto-tuning. It operates the door for speed switch and completed position by counting the PG
pulses. In this mode, position function will be executed whenever power again and operates with low
speed to the 0% or 100% door width by the operation direction.
Door Close
Holding Speed
Open Door (REV)
Door Open Limit
0.0%
100.0%
Close Door (FWD)
04.00
Door Open
Speed
by Ini tial
04.08
Door Open
Acceleration
Time 1
04.09
Door Open
Deceleration
Time 1
04.03
Door Open High Speed 1
04.05
Door Open
Final Speed
04.01
Door Open Distance
by Initial Speed
04.04
Door Open
Final Speed
Start
by
04.06
Door Open
by Holding
Speed Start
04.07
Door Open
Holding Speed
05.03
Door Close
High Speed 1
Door Close
Acceleration Time 1
05.05
05.04
05.06
Door Close
Holding
Speed Start
with
05.07
05.09
05.01
Door Close
Distance by
Initial Speed
05.00
Door Close
Initial Speed
Door Close Limit
Door Close
Final Speed
Door Close
Final Speed
Door Close
Final Speed
Start
05.08
2: Multi-step control mode
The drive is controlled by Sensorless control. For operating the door, it uses three multi-input (level
trigger) and operation direction (FWD/REV) to deal with speed switch and limit switch to deal with
completed position. (4th logic signal: open: 0; close: 1).