Electrical Installation
11
5.
Mount the temperature sensor as described in
Section 2.4
, and connect the quick-connect cable to the
four-pin quick connect on the back of the display.
6.
The DataMaster controller plugs into the J box using a DB9M to DB9F serial cable.
Direct – Indoor Connection
Reference Drawings:
Riser Diagram, Indoor Wire Control ........................................................
Drawing A-175342
Time & Temp Power/Signal Hookup .......................................................
Drawing A-938369
Enclosed Driver, 4 Column .....................................................................
Drawing A-938300
A direct-controlled display can also be used from a J box at in indoor location. In that case, only two, 22
AWG, signal wires will need to be connected to the J box and a wall pack transformer will be used for power
to the DataMaster controller. The distance from the indoor J box to the host driver can be up to 2,000 ft (600
m). Refer to
and Drawing A-175342 for system layout and signal connections.
1.
Mount the J box at an indoor location.
2.
Select the host driver by inserting the Protocol-4 plug into the five-pin protocol jack (J20).
3.
Route a four-conductor, 18 AWG, shielded signal cable through conduit from the J box to the driver
enclosure in the host display.
Wiring from J-Box to Host Driver Enclosure
J-Box Pin Number Cable Color Enclosure Terminal Block
Pin 1
Red
12 V DC Out (+)
Pin 5
Black
12 V DC Out (-)
Pin 5
White
Signal IN (-)
Pin 6
Green
Signal IN (+)
Pin 8
Brown
Signal OUT (+)
Pin 9
Blue
Signal OUT (-)
