MiniLink PD 5 Technical Guide
11
APPENDIX B - MODULAR WIRING
Power/Comm Board Wiring
Figure 7: Power/Comm Board Wiring
A Power/Comm Cable Can Be Used
To Connect With The MiniLink PD
5’s Local Loop Connection Instead
Of Using 2-Conductor Twisted Pair
With Shield Cable. You Can Also
Use A Power/Comm Cable To
Connect With Another Power/Comm
Board, A System Manager Or A
VAV/Zone Controller.
Power/Comm Cable To Other Power/Comm Board(s),
System Manager, Or VAV/Zone Controllers On Local Loop Only.
If Desired, Instead Of Using A
Power/Comm Cable, You Can
Use 2-Conductor Twisted Pair
With Shield Cable To Connect
To The Power/Comm Board
From The Unit Controller,
MiniLink PD 5’s Local Loop
Connection, Or Another
Power/Comm Board.
Line Voltage
18-30 VAC
R
SH
T
R
SH
T
R
SH
T
R
SH
T
All Comm Loop Wiring Is
Straight Through
9600 or 57,600
Baud
Local Loop
RS-485
Local Loop RS-485
24 VAC Transformer (By Others)
4 Amp Slow Blow Fuse
WARNING!
DO NOT GROUND THE 24V TRANSFORMER
THAT IS TO BE USED WITH THE POWER/COMM
BOARDS. GROUNDING OF THE TRANSFORMER
WILL DAMAGE THE POWER/COMM BOARD
AND ALL BOARDS CONNECTED TO IT. A
SEPARATE TRANSFORMER MUST BE USED
FOR EACH POWER/COMM BOARD. NO
EXCEPTIONS. DO NOT CONNECT ANY OTHER
DEVICES TO THE TRANSFORMER USED FOR
THE POWER/COMM BOARD!
NOTE:
Diagram Shown Is For
Wiring Of Power/Comm Board
When Used For Connecting Local
Loop Devices Such As VAV/Zone
Controllers, System Manager(s),
and Other Power/Comm Boards.
C
US
R
NOTE:
The MiniLink PD 5 will connect to a
Power/Comm Board Only If Power/Comm Cables
are Used to Daisy-Chain Between VAV/Zone
Controllers.
Содержание Orion Control Systems MiniLink PD 5
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