Siemens CU230P-2 HVAC Parameter Manual page 564

Line
Example for
staging/destaging
Staging Staging enab
0 ... 1
configuration SINAMICS
p2370 [D] (0)
. .
G120
.
CU230P-2
Destag t_hold
0.000 ... 999.000 [s]
p2387 (0.000)
DM =
DM
Variable speed motor
Staging:
n
a
p1082
n_act
p 2378
p 1082
100
%
PID
p2376
b
p2373
r2379 p2374
c
1
Bit02
0
1
Bit01
0
1
Bit00
0
Condition for
a n_act
= p1082
staging:
b
p2376 > p2373
PID
c
t > p2374
a b
1 2
Technology functions
Staging
Staging ZSW
r2379
r2379
Motor Starters
Relay outputs
(digital outputs)
M1 M2
t
t
p2385
y
t
p2384
t
p 2378
t 1 p 1121
y
100
3 4
To
technology controller
input of inverter
Pressure Sensor
M3
Destaging:
n
n_act
p 2378
p 1082
100
a
p1080
%
PID
p2373
b
p2376
r2379
1
Bit02
0
1
Bit01
0
1
Bit00
0
Condition for
= p1080
a n_act
destaging:
b
p2376 < p2373
PID
c t > p2375
a b
5 6
FP_7976_97_01.vsd
29.10.2009 V4.3
t
t
p2387
x
t
c
p2375
p2386
t
p 2378 p 1080
t p 1120
x
100 p 1082
7 8
Function diagram
- 7976 -
G120 CU230P-2