40
VLT
®
Series 3500
The following must be programmed:
Function
Parameter #
Parameter Value
Data Value #
Choice of setup
001
MULTI-SETUP
[5]
Safety interlock
003
KEY HOA w. stp
[1]
Choice of setup
400
SETUP SELECT
[3]
Digital reference choice
406
DIGITAL REF.
[0]
Setup 1
Maximum frequency
202
60 Hz
Digital reference 1
205
10%
Digital reference 2
206
20%
Digital reference 3
207
30%
Digital reference 4
208
40%
Setup 2
Maximum frequency
202
60 Hz
Digital reference 1
205
70%
Digital reference 2
205
100%
Example 6:
A ventilation system is to be run at six preset speeds,
depending on the time of the day or night.
Maximum speed is 60 Hz.
1. Speed 6 Hz (10%)
2. Speed 12 Hz (20%)
3. Speed 18 Hz (30%)
4. Speed 24 Hz (40%)
5. Speed 42 Hz (70%)
6. Speed 60 Hz (100%)
NOTE:
A shield for control wires is to be connected in
accordance with the installation instructions.
All settings are based on factory settings.
Be sure to check the motor data settings (parameters
104, 105 and 107, or the Quick Setup menu items 1, 2
and 3). They must be set based upon the actual motor
used.
1 = Setup choice
2 = Start/stop
3 = Digital reference choice
4 = Digital reference choice
External safety interlocks can be connected between
terminals 12 and 27.
How to activate different speeds
Terminal
Setup
Digital reference
33 32 16
1
2
1
2
3
4
0
0
0
X
0
10%
0
0
0
0
1
0
X
0
0
20%
0
0
1
0
0
X
0
0
0
30%
0
1
1
0
X
0
0
0
0
40%
0
0
1
0
X
70%
0
0
0
0
1
1
0
X
0
100%
0
0
“1” means that 24 V DC is connected to the terminal.
