Lenze 8400 HighLine C Series - 14.1.135 L_SRFG_2

8400 HighLine | Parameter setting & configuration
Function library
Function blocks | L_SRFG_2
1058 L Firmware ≤ 05.00 - DMS 4.2 EN - 02/2010
14.1.135 L_SRFG_2
This FB is a ramp function generator with S-shaped ramps for limiting the temporal rise of
analog signals. The ramps are S-shaped due to trapezoidal acceleration.
 The ramp function generator is provided with a setting function so that a value can
directly be loaded into the internal ramp generator.
 The balanced acceleration/deceleration time is set in C01040
.
 An S-ramp time can be set in C01041
for jerk-free acceleration until maximum
acceleration is reached.
 At the nDeltaOut_a output, the dy/dt slope of the nOut_a output signal is output.
Inputs
Outputs
Identifier
Data type
Information/possible settings
nIn_a
INT
Input signal
nSet_a
INT
Starting value for the ramp function generator
• Will be accepted if bLoad = TRUE
bLoad
BOOL
Initialise ramp function generator
FALSE With the set acceleration/deceleration time, the ramp function
generator switches over from the value loaded via nSet_a to the
value at nIn_a.
TRUE At the nOut_a output, nSet_a is output.
• nDeltaOut_a remains at 0 %.
Identifier
Data type
Value/meaning
nOut_a
INT
Output signal
• Internal limitation to ±199 % (100 % ≡ 16384)
nDeltaOut_a
INT
Acceleration of the ramp function generator
• Internal limitation to ±100 % (100 % ≡ 16384)
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