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Description
The Danfoss DMS is an advanced electronic motor
starting system. It performs six main functions;
1.
Start control, including soft start.
2.
Stop control, including soft stop (extended
stop time).
3.
Thermistor motor protection
4.
Electronic motor protection (optional).
5.
Electromechanical brake control (optional)
6.
Monitoring & system interface.
General layout
177ha010.10
Construction
The DMS unit is made of two separable parts:
1. Installation box, which is the bottom half. The
installation box has all the mounting arrangement,
cable entries, and grounding studs.
2. Electronics Module, which is the top half.
The electronics module contains all the
circuitry of the DMS.
Tools required
The DMS unit does not require any special
tools for installation.
All the power & control connections are snap-on,
spring-loaded type.
The following set of tools is adequate for
installing the DMS units:
- Screw Drivers, general (or T20 Torxslot)
- Spanners - 28 AF and 24 AF
- Center-punch for motor-mounted versions, if
not already mounted on a motor
MG.90.F2.22 - VLT is a registered Danfoss trademark
Decentral Solutions
Wall mounting
For best cooling, the DMS unit should be mounted
vertically. If needed, horizontal mounting is allowable.
For installing, use the three eye-holes provided.
Use the nylon washers provided to avoid
scratching the protective paint.
mm (inches)
129 (5.10)
134 (5.28)
Ground plug for type T73
2
2
16 mm
(0.63 in
) max.
Dimension drawing - DMS Wall mount version
Motor mounting
1. Remove the cover of motor terminal box.
2. In the DMS Installation box, knock out 4 screw
holes to match the motor terminal box.
Two hole-patterns (4 holes each) have been
provided to suit Danfoss Bauer geared motors,
depending on the power size of the motor.
For different motors use the outer holes and the
adaption plate [Order no. 175N2115]
3. In the DMS Installation box, knockout the motor
cable gland (1 of 1.2 in (30 mm diameter)) for the
power connection to motor terminals.
4. Mount the DMS Installation Box direct on
the motor terminal box.
176 (6.93)
120 (4.73)
6.5 (0.26)
ø 13.0 (0.51)
14.0 (0.55)
177ha002.20
43
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