DM805-AI Hardware Installation Manual
5
HWMN-DM-R2011060
4. Operating Mode
The DM805-AI supports four operating modes selected by the DIP switch SW7 and SW8, shown as the following table.
Mode
SW7
SW8
Description
0~5V Speed
on
on
Analog 0-5V Speed Mode
Lo/Hi Speed
off
on
Low and High Speed Mode
External POT
on
off
External Potentiometer Speed Mode
Pulse/Direction
off
off
Pulse and Direction Position Mode
Analog 0-5V Speed Mode
In this mode motor speed follows the analog 0-5V input voltage. Motor speed is also proportional to the HiSpeed potentiometer.
Direction input controls the motor direction. The actual motor speed is calculated as follows:
Turns
ter
Potentiome
HiSpeed
of
Turns
V
Input
Ana
(RPS)
Speed(RPS)
25
5
log
5
.
0
25
5V
0
Motor Speed
Fully CW of HiSpeed Potentiometer
Analog
Input
25±0.5rps
Half CW of HiSpeed Potentiometer
Dead Band
