SBC PCD7.LR P5 Series - Page 86

Hardware manual PCD7.LRxx-PG5 room controller │ Document 27-653; version ENG07 │ 2019-03-21
Saia-Burgess Controls AG Communication
5
5-10
RS-485 interfaces (ports 0 + 1) in general
Example 1:
What is the resource requirement for a network with a PCD7.LRxx-P5 room
controller with one:
1 HVAC (for one zone) room template application
1 PCD7.LRxx-P5 room controller
2 PCD1.E1000-A10 digital inputs
2 PCD1.A1000-A20 digital outputs
2 PCD1.A2000-A20 digital outputs
2 PCD1.G2200-A20 digital inputs and outputs
2 PCD1.W5200-A20 analogue outputs
E-Line FBoxes Registers Flags Program
size
Size of RAM
data blocks
DB RAM Non-
volatile
data
(inash)
[Byte] [Byte] [Flags or
registers]
One HVAC
room template
700 500 35404 250
EL + S-Bus master 196 119 2188 2064 2
2 PCD1.A1000
108 248 14024 336 2
2PCD1.A2000
80 180 11944 240 2
2PCD1.G2200
152 124 15432 416 2
2 PCD1.W5200
188 164 13776 344 2
2 PCD1.E1000
84 90 5496 120 2
Necessary resources 1508 1425 98264 3520 12 250
% usage of
PCD7.LRxx-P5
38% 36% 77% 35% 12% 25%
In this example, for one zone with 10 E-Line RIOs, the critical resource would be
the program size, where only approximately 20 kB of the user program is left for
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