Siemens SINAMICS S120 Function Manual page 62

Extended Setpoint Channel
Extended setpoint channel
Without ramp-function generator tracking
S p1145 = 0
S Drive accelerates until t2 although setpoint < actual value
With ramp-function generator tracking
S p1145 > 0
S Ramp-function generator output leads setpoint by only a small margin
S t1 and t2 almost identical
Function diagram overview (refer to the List Manual)
S 1550
S 3060
S 3070
S 3080
Signal overview (see List Manual)
S Control signal STW1.2
S Control signal STW1.4
S Control signal STW1.5
S Control signal STW1.6
S Control signal STW2.1
Parameterization with STARTER
The "ramp-function generator" parameter screen is selected via the following icon
in the toolbar of the STARTER commissioning tool:
Fig. 2-15
Parameter overview (see List Manual)
Adjustable parameters
S p1115
S p1120[D]
S p1121[D]
S p1122[C]
2-62
Setpoint channel
Simple ramp-function generator
Extended ramp-function generator
Ramp-function generator selection, status word, tracking
OFF3
Enable ramp-function generator
Start/stop ramp-function generator
Enable setpoint
Bypass ramp-function generator
STARTER icon for "ramp-function generator"
Ramp-function generator selection
Ramp-function generator ramp-up time
Ramp-function generator ramp-down time
BI: Bypass ramp-function generator
© Siemens AG 2006 All Rights Reserved
SINAMICS S120 Function Manual, 03/2006 Edition