Supply Chains - Siemens RXB Series Basic Documentation

Supply chain
configuration
Supply chain outputs and
inputs
Supply/demand
76 / 88
Siemens
Building Technologies
9.5

Supply chains

The applications in the Synco 700 type RMU/RMH controllers consist of HVAC
functional units. These functional units are based on the supply chains in buildings.
A supply chain consists of at least one producer and one consumer, but often
producer, distributor, and consumer.
1. A producer with one distributor and one consumer.
2. One producer with two distributors in series and one consumer.
3. Several producers, distributors, and consumers in parallel.
1.
Down =
C1
stream
D1
Up =
S1
stream
S D
Source Distributor
The "coordinator" and "dispatcher" are defined as logical elements in the supply
chain. Their role is as follows:
The coordinator collates the demand signals from all downstream links in the
chain, and delivers the resulting demand signal to the link upstream. The
coordinator also reports the operational status of the upstream links to the
downstream link.
From the resulting demand signals of the consumers, the dispatcher determines
which generators, and how many, must be enabled.
The above illustrations of supply chains show the following:
Consumer has one output to the distributor.
Producer has one input from the distributor.
Consumer transmits heating/refrig. demand to the upstream distributor
Producer receives heating/refrig. demand from the upstream distributor.
KNX bus communications
Appendix
2.
C1 C1
D2
D1
D1
S1 S1
C
Consumer Coordinator
3.
C2 C..
D2 D..
S2 S..
Dispatcher
For internal use only
CE1P3127en
2013-04-08