635-SERIES HARDWARE M ANUAL
Chapter-Page
2-80
10.10 Field Wiring LCD Display Unit to 635-DSI Board -
SET UNIT IDs: YOU MUST USE THE Galaxy
Configuration Programming Tool
to configure the Display UNIT IDs
(1 thru 16 are valid). The DSI supports 16 max. units per 485 Section.
1.
Remove the back cover of the Display Module and insert the wiring through the opening provided in
the back cover.
2.
Install the 2-pin jumpers on J1 (9600 BAUD) and J2 (forces 12 VDC operation)
3.
Remove the 2-piece orange connectors at the DSI and land wires as shown in the diagram
.
Figure 62 – Wiring a Galaxy LCD Display Unit to a 635-DSI Board:
Diagram shows wiring for Galaxy LCD Display on the DSI Board (component-side up).
DSI to LCD (2-wire):
635-DSI
LCD
A
485 (+)
B
485 ( - )
Ground the shield at one
end of segment
Daisy-chain LCDs:
LCD
LCD
485 ( + )
485 ( + )
485 ( - )
485 ( - )
Ground the shield at one
end of segment
LCD UNIT:
Supports up to
16 LCDs
per DSI 485 Section (Port)
UNIT NUMBERING:
Each LCD must have a valid unit
ID on the DSI section.
Program via Web Config Tool
See Step-4 for info on DSI
dipswitch settings for board ID.
See Appendix P for help with
setting unit IDs.
