Temperature-Dependent Pressure Setpoint - Siemens G120P Technical Manual

7.9 Temperature-dependent pressure setpoint

● Macro 113 "Temperature-dependent pressure
setpoint"
● Pressure control setpoint dependent on outside
temperature and limited between 20% and 50%
Pressure
Setpoint [%]
50 %
20 %
- 20°C
● LG-Ni1000 temperature sensor on AI2
● Pressure sensor 0...10 V on AI0
● Flying restart and automatic restart activated
● Error message: Digital output 0
● Status display: Digital output 2
Parameter Value
p756[2] 6
p757[2] -20 ℃
p758[2] 20 %
p759[2] 5 °C
p760[2] 50 %
p840[0] r722.0
p1200[0] 1
p1210 26
p2200[0] 1
p2253[0] r20231
p2257 30 s
p2258 30 s
p2264[0] r755[0]
p2265 10 s
p2267 120 %
p2268 -10 %
p2293 30 s
p20228 r755[2]
p20229 0.5
p20230 0.2
p20234 5
Siemens
Building Technologies
Outside
Temperature [°C]
+ 5°C
Description
AI2: LG-Ni1000 temperature sensor
AI2 characteristic x1
AI2 characteristic y1
AI2 characteristic x2
AI2 characteristic y2
ON / OFF (OFF1)
Flying restart always active (start in setpoint direction)
Acknowledging all faults and restarting for an ON command
Technology controller enable
Technology controller setpoint
Technology controller setpoint ramp-up time
Technology controller setpoint ramp-down time
Technology controller actual value from AI0
Technology controller actual value filter time constant
Technology controller upper limit actual value
Technology controller lower limit actual value
Technology controller ramp-up/ramp-down time
Setpoint limiting
Upper limit setpoint limiting 50%
Lower limit setpoint limiting 20%
Runtime group setpoint limiting
Application examples
Temperature-dependent pressure setpoint
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2016-03-17