Daktronics RS-422 Communication - Manual (Page 13)

RS-422 Communication Manual
7
3. Install the new surge suppressor, replace the nuts, and reconnect signal
cables.
nnected to the enclosure, and the enclosure
re used to
sufficient grounding if it is properly fastened.
ternal, with QC ................................ Draw g
ered with internally installed,
ompleted.
bly c be from the s nal termination
e sur su l then be mounted on standoffs
the le nd ay. Th following connections
presso o isplay:
cond to e display. Use one of the
areful to rnal components.
2. Connect from the signal con e surge suppressor as previously described for
the RS-422 installation.
ield signal cable (Daktronics part number W-1234) to
the surge suppressor at TB1.
4. Signal connects from TB2 on the surge suppressor to TB2 on the controller using a
ble below.
5. tions in the display.
The surge suppressor must be firmly co
must be properly grounded in order to be effective. The mounting hardwa
secure the surge suppressor is
Alternate Location Installation
Reference Drawings:
Schem; Primary Signal, In
Note: If the display was originally ord
connections have already been c
If necessary, the surge suppressor assem
enclosure and located in the display. Th
either next to the controller board or in
will need to be made for the surge sup
1. Route the signal cable through
knockouts for access, being c
in B-206146
the surge board these
an moved ig
ge ppressor wil
ft e of the displ e
r to perate in the d
uit
not
the back
damage any inte
of th
verter to th
3. Connect the 4-conductor sh ed
4-conductor shielded cable. Signal is pinned one to one. See ta
ee Figure 8 below and Drawing B-206146 for signal connec S
Figure he Surge B 8: Relocating t oard in Display