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
333216 12 1234
000 X0 10%0 0 0
010 X0 0 20%0 0
1 0 0 X 0 0 0 30% 0
110 X0 0 0 0 40%
001 0X 70%0 0 0
0 1 1 0 X 0 100% 0 0
“1” means that 24 V DC is connected to the terminal.
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