635-SERIES HARDWARE M ANUAL
Chapter-Page
2-36
635-RELAY BOARD – INSTALLATION OF BOARD IN CONTROLLER
If you are not installing a Relay Board, then skip this section.
PART 4.5.1 PREP STEPS -
BEFORE INSTALLING THE RELAY BOARDS
You must know how many boards will be on each DSI 485 Channel (Section).
The use (i.e. general output or
elevator control) will determine how many boards you can support on a DSI Section. The last Output Board on the
RS485-Section must be within the 4,000 ft. max line length.
A. General Purpose Outputs:
•
MAIN PANEL: must have a
CPU board
and a
DSI board
; can have Relay Boards on 2
nd
power supply.
•
SECOND PANEL: second or additional panels will have only Relay Boards, wired back to DSI in main panel.
General Output (GPO/ORM) Max Number of Relay Boards
Total Number of Relays
Per RS485 Section (port):
Up to
3 Boards
Up to
24 Relays
per Section
Per DSI Board:
Up to
6 Boards
Up to
48 Relays
per DSI Board
B. Elevator Control:
•
MAIN PANEL: must have a
CPU board
,
DRM Board
and a
DSI Board
; & Relay Boards (based on cabinet size).
•
SECOND PANEL: second or additional panels will have only Relay boards, wired back to DSI in main panel.
Elevator Control
Number of Relay Boards
Total Number of Relays
Per RS485 Section (port):
Up to
15 Boards
Up to
120 Relays
per Section
Per DSI Board:
Up to
30 Boards
Up to
240 Relays
per DSI Board
Elevator relay boards might install only on one section of the DSI if each cab’s floors are accessed independently
.
Relay Boards must be installed in a Multidrop configuration (daisy-chained) on the DSI RS485 Section (not a star).
See
Appendix N
for additional panel diagrams of the first and second panels.
Figure 26 – Example of Relay Boards in Main Panel for General Purpose Output Relay (ORM)
Diagram shows
medium
Main Panel for GPO/ORM holds 2 relay boards (or 4 with stacker kits). See next diagram for 2
ND
Panel.
NOTICE: Relay Boards must use a separate power supply when they are in the main panel.
NOTICE:
ERM
Elevator control Main Panel must include a DRM board. T
hus, it will hold only 1 relay board (or 2 with a stacker kit)
