Siemens MICROMASTER 420 - Page 73

5. SYSTEM PARAMETERS International English
MICROMASTER 420 Operating Instructions 73
6SE6400-5AA00-0BP0
Parameter
Number
Parameter Name
Min
Max
[Default]
Units
♦
♦♦
♦P0003 User
Access Level
♦
♦♦
♦P0004 Setting
♦
♦♦
♦Changeable
♦
♦♦
♦Status
Ramp-up initial rounding time
P1130
Defines initial smoothing time in seconds as shown on the diagram below.
P1133P1130 P1132P1131
where
T
up
total = ½ P1130 + X * P1120 + ½ P1131
T
down
total = ½ P1132 + X * P1121 + ½ P1133
X is defined as ∆f= x*F
max
0
40
[0]
s
2
10
‘•’
Ramp-up final rounding timeP1131
Defines smoothing time at end of ramp-up as shown in P1130.
0
40
[0]
s
2
10
‘•’
P1132 Ramp-down initial rounding time
Defines smoothing time at start of ramp-down as shown in P1130.
0
40
[0]
s
2
10
‘•’
Ramp-down final rounding timeP1133
Defines smoothing time at end of ramp-down as shown in P1130.
0
40
[0]
s
2
10
‘•’