Signal termination from computer to display, Signal junction box terminations, Rs232 – Daktronics AB-1010 User Manual

Page 21

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background image

Electrical Installation

3-5

ck)

A202

A202 (Red)

12

11

A202 (Bla

13

A203 (Black)

A203

A203 (Red)

14

15

A204 (Black)

A204

V15DR/Fans

16

17 A204

(Red)

Not Used

18

19

Not Used

Not Used

20


·

·

·

per 8 rows of lamps) of the

display. Breakers below the solid line are for line two (lower 8 rows of lamps) of the display.


3.6

A list similar to one of the above is located inside the panel board door.
The square D 20 amp QO breaker is UL listed for 1 or 2 #12 AWG wire(s).
Breakers above the dark solid line within the tables are for line one (up

Signal Termination From Computer To Display

nce Drawing:

00 Signal Termination ................................................................... Drawing A-103727


Refere

V15


The method used to route and terminate signal at the display differs according to the type of control
cable used. The following sets of instructions cover the various control options listed in Section 1.4 or
3.7. Refer to the procedure that is appropriate for your display. Drawing A-103727 illustrates Venus
1500 signal terminations for RS232, RS422, modem and fiber optic control cables.


3.7 Signal

Junction

Box Terminations


Reference Drawing:

System Riser Diagram, RS422 Incandescent Displays........................ Drawing A-148859

System Riser Diagram, RS232 Incandescent Displays........................ Drawing A-148870

System Riser Diagram; Fiber Incandescent Displays .......................... Drawing A-148878

System Riser Diagram; Modem Incandescent Displays....................... Drawing A-148884


Drawing A-4

box. The

signal wires f

in the first line of the display are connected to TB31.

e signal wires

for the second line are connected to TB32. Each signal pair location is labeled with the driver
number

n correspondence to their

connect
the + an

RS232
One end of the signal cable should be terminated to the 6 position terminal block in the display
labeled “IN RS232” (TB1). The opposite end is terminated at the J-Box at the display structure.
The laptop PC connects to the J-box through the serial cable. Refer to Drawing A-148870 for the
correct wire type.

J-Box

Field Cabling

Terminal Block (Data In)

2461 shows examples of a one- and a two-line display signal junction

or the drivers

Th

it corresponds to. Connect the signal wire to the junction box i

ion orientation at the controller (refer to appropriate controller manual). Be sure to note

d - signal orientation.

Pin 1 (N.C.)

Pin 2 (N.C.)

Pin 2 (RX-P)

Clear

Pin 3 (TX-P)

Pin 3 (GND)

Shield

Pin 4 (GND)

Pin 1 (TX-P)

Black

Pin 5 (RX-P)

Pin 6 (N.C.)

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