Castle Care-Tech Ltd. Engineering
Page 24 - 4 Chapter 24
ADDITIONAL FACILITIES
WITH MSX CARDS
RS-232 Connection
A connector is provided on the
MSX Card to permit direct
connection (with an
appropriate loom) to the RS-232
Serial port of a PC running Euro-
InSite software in order to
provide full engineer access
facilities, etc. from the PC.
Outputs
Up to 8 Output modules (with
16 outputs each) may be used
on systems fitted with MSX
Cards.
Output types
Type 035 ‘Follow Zone’ is
available only on systems with
MSX134 or MSX256 Card fitted.
In addition to the simple
‘follow’ function, this output
type can alternatively be
programmed (individually) to
be active for a specified time
or to latch on until reset.
It is also possible to select the
output to be active only when
the relevant area (in which the
zone is located) is ‘set’ or
‘unset,’ or to be active ‘always.’
A further option permits an
output to be programmed to
follow an Area, a Shunt or a
Ward, as alternatives to
individual zones.
See chapter 25 for full details.
RS-485 Restrictions
Note that a standard RS-485
system has a maximum capacity
of 30 devices. It is thus not
possible to simultaneously
connect the full number of
devices that the Euro-256 is
capable of handling.
It is recommended that a
maximum of 8 keypads be used
with the full number of 256
zones, or 128 zones only with
16 or more keypads.
Development is currently in
progress to permit the use of
additional RS-485 devices.
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