GRAPHIC DRIVE BOARDS
There are presently four graphic drive boards offered as enhancements to the 2120 system:
l
The
relay driver board,
562-788, which contains eight relays that work like SCC LEDs (think of this board
as having one row of eight LEDs, where each “LED” is actually a relay coil).
l
The
remote control and switch board,
562-387, which provides input connections for eight switches and
performs the standard control module functions (think of this board as having one row of eight switches).
l
The
/amp driver board,
562-798, which is used to control 16 indicators at a remote location (think of this
board as having two rows of eight LEDs, where each “LED” is actually a lamp).
l
The
remote switch board,
562-
198 (or
562-396), which provides input connections for 16 switches (think of
this board as having two rows of eight switches).
The graphic drive section of the 2120 mounts in a 2-, 4-, or 6-unit backbox. It may be treated as a separate
component (see Figure 15) or as an extension of the SCC (see Figure 16).
EXPANSION
BOARDS
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1 II __._._. -.-.-.-.- .-.-.-.-.-.-.-. -,
iLLi
I
I
I
POWER
I
I
I I
SUPPLY
BATTERIES
I
GRAPWC DRIVE BOARDS
FIGURE 15
41
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