Advent Communications
209297 – DCU5000 Drive Control Unit Page 12 of 42
3.5. AZIMUTH, ELEVATION AND POLARISATION MOTOR CONNECTORS
This interface is designed to directly drive an Advent standard stepper motor drive.
These use 2-phase stepper motors with an MRD (motor rotation detector) PCB and an
optional brake.
Detailed descriptions are beyond the scope of this manual. Contact Advent
Communications for further guidance and information.
Connector: 15-pin male D-type.
Pin Number Signal description
1 Motor phase +A.
2 Motor phase -A.
9 Motor phase +A.
10 Motor phase -A.
3 Motor phase +B.
4 Motor phase -B.
11 Motor phase +B.
12 Motor phase -B.
5 Brake active pull down.
13 Brake supply (+12V DC)
6 MRD +5V DC supply.
7 MRD GND.
14 MRD signal.
15 MRD GND.
8 Motor presence detector
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