Siemens 6RA8018-6DV62

Descriptions of functions
10.12 Setpoint channel
SINAMICS DCM DC Converter
Operating Instructions, 12/2018, A5E34763375A
561
Ramp-function generator settings 1, 2, and 3
Selection via the binectors selected using p50637 and p50638.
The ramp-function generator settings that are entered via the binectors selected using
p50637 and p50638 have priority over the ramp-function generator setting entered by the
ramp-function integrator.
Binector state selected via
parameters
Ramp-function
generator
setting
Active ramp-up
time
Active ramp-
down time
Active initial
rounding
Active final
rounding
p50637
p50638
0 0 1 p50303 p50304 p50305 p50306
1
0
2
p50307
p50308
p50309
p50310
0
1
3
p50311
p50312
p50313
p50314
1
1
Not permitted; fault F60041 (setting not unique) triggered
Ramp-function integrator
The ramp-function integrator is activated by setting p50302 to 1, 2, or 3. Once an "ON"
command ("Switch on", "Jog", "Creep") has been applied, ramp-function generator setting 1
(p50303 to p50306) is used until the ramp-function generator output reaches the required
setpoint for the first time.
Following this, the process is controlled by the "Enable switchover of ramp-function
integrator" signal (binector selected using p50646):
● Enable switchover of ramp-function integrator = 1:
If the ramp-function generator output reaches the required setpoint for the first time after
the "ON" command has been applied, the system automatically switches over to the
ramp-function generator setting selected according to p50302.
● Enable switchover of ramp-function integrator = 0:
Once the ramp-function generator output has reached the setpoint, ramp-function
generator setting 1 (p50303 to p50306) remains active until "Enable switchover of ramp-
function integrator" is switched to 1. The system then switches over to the ramp-function
generator setting selected according to p50302.
If the "Enable switchover of ramp-function integrator" signal is withdrawn (→ 0), the system
switches back to ramp-function generator setting 1 and, when the signal is applied again
(→1), remains at this setting until the ramp-function generator output has reached the
setpoint again. Following this, the system switches back over to the ramp-function generator
setting selected according to p50302.
When the "Switch off" command is applied, the drive is switched off via ramp-function
generator setting 1.
Note
Activating
"Ramp-function generator setting 2" (p50307 to p50310; selection via p50637) or
"
Ramp-function generator setting 3" (p50311 to p50314; selection via p50638) has priority
over the ramp
-function generator setting requested by the "Ramp-function integrator"
function.