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Cooling Tower Fan (active Sensor) + Hibernation - Siemens G120P Manual

Variable speed drive.
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4.5
Macro 106 "Cooling tower active sensor +
hibernation"
Control of the cooling tower fan based on the
temperature of the cooling water
Temperature sensor 0...10 V on AI0
Hibernation
Flying restart and automatic restart activated
Error message: Digital output 0
Status display: Digital output 2
When selecting this application using macro 106, the
technological unit remains unchanged at [%]. If
necessary, adapt the unit as described in the parameter
list. Select the values depending on the used sensor.
Parameter
Value
p596
100
p0010
5
p595
4
p0010
0
p756[0]
0
p0840
r722.0
p1200[0]
1
p1210
26
p2200[0]
1
p2201[0]
26 °C
p2253[0]
p2201
p2257
30 s
p2258
30 s
p2264[0]
r755[0]
p2265
10 s
p2267
110 °C
p2268
-10 °C
p2293
30 s
p2306
1
p2390[0]
50 rpm
p2391[0]
60 s
p2392
1 °C
p2398
1
Siemens AG

Cooling tower fan (active sensor) + hibernation

Temperature
sensor 0-10V,
e.g.
QAE2164.010
Description
Reference variable of the technological unit
Parameter filter change, technological unit
Selection of technological unit: °C
Parameter filter ready
Unipolar voltage input (0 V...10 V)
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 fixed value 1
Technology controller setpoint 1
Technology controller setpoint ramp-up time
Technology controller setpoint ramp-down time
Technology controller actual value
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
Technology controller fault-signal inversion
Hibernation start speed
Hibernation delay time
Hibernation restart value with technology controller
Hibernation mode
Application examples
Cooling tower fan (active sensor) + hibernation
9
P24V
ON / OFF
5
DI0
28
GND
69
DI COM
2
GND
4
AI0-
0 - 10 V
3
AI0+
14
PTC A
15
PTC B
4
12
Speed
AO0+
(0..20mA)
13
AO0-
26
Output current
AO1+
27
(0..20mA)
AO1-
20
19
Fault
DO0
18
22
DO1
21
25
24
Operation
DO2
23
Optional
41
CM2G5111en
2014-05-16

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