Siemens Synco 700 RMZ785 Basic Documentation page 80

Modulating load input with
switching command outputs
(Example 1)
Configuration
Siemens
Building Technologies
Application examples
Load input,
Number of
start condition
stages or
aggregates
A+B+C+D a
Description:
- Control of refrigeration machine with 4 compressors to outlet temperature.
- Run priority changeover includes changeover incase of fault.
Plant diagram
DI
AI
4x
DO
AO
Configuration diagram
Main menu > Commissioning > Extra configuration > Aggregates > Rotary step switch >
Rotary step switch 1...2 >
Operating line
Type
Switching and monitoring device RMS705B
Aggregates
Output configuration
A B
1 4
Start
d d
Function diagram
T
1
2
3
4
Rotary
step switch 1
X
Setting
Linear
Run priority
C D
changeover
d d
D
C
B
A
0 % 100 %
X
P
D
C
B
A
100 %
0 %
X
P
C D
C D
C
CE1P3124en
Yes
Q
Q
D
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01.04.2010