Operating instructions

6 Commissioning Issue 10/06
MICROMASTER 430
56 Operating Instructions (Compact)
f
t
P1080
100
2378P
1082P ⋅
%
t
-P2373
P2375
P1120
∆
PID
t
r2379
0
1
0
1
0
1
Bit00
Bit01
Bit02
t
x
1120P
1082P
1080P
100
2378P
tx ⋅
⎟
⎟
⎠
⎞
⎜
⎜
⎝
⎛
−=
f
f ≤ P1080
∆
PID
≤ -P2373
t > P2375
a
b
c
a b
Condition for destaging:
Destaging:
f
set
act
act
CO/BO: Motor staging status word
Output word from the motor staging feature that allows external connections to be made.
Bit00 Start motor 1 0 NO 1 YES
Bit01 Start motor 2 0 NO 1 YES
Bit02 Start motor 3 0 NO 1 YES
Motor staging hours run
Displays hours run for external motors. To reset the running hours, set the value to zero,
any other value is ignored.
6.3.16.11 Energy saving mode
When the inverter under PID control drops below energy saving setpoint, the
energy saving timer P2391 is started. When the energy saving timer has expired,
the inverter is ramped down to stop and enters energy saving mode.
Energy saving setpoint
PID
−
f
P2273
(∆
PID
)
f(t)
Pressure
sensor
Energy
saving
mode
PID
SET
PID
limit
Motor
Motor
control
Load
PID
RFG
PID
ACT
r2379
0.0 h
P2380 = ...
0 %
P2390 = ...