Function library
Function blocks
9.2.32 First order derivative-action element (DT1)
9-120
L
EDSVS9332S-D11 EN 3.0
9.2.32 First order derivative-action element (DT1)
Purpose
Derivative action of signals.
For instance, used for the speed injection (dv/dt).
DT1-1
DT1-1-OUT
DT1-1-IN
C0654
C0651
C0652
±199.99 %
C0653
C0650
fb_dt1-1
Fig. 9-80 First order derivative-action element (DT1-1)
Signal
Source Note
Name Type DIS DIS format CFG List Lenze
DT1-1-IN a C0654 dec [%] C0652 1 1000 -
DT1-1-OUT a - - - - - limited to ±199.99 %
Function
z The gain is set under C0650.
z The delay T
v
is set under C0651.
z The input sensitivity of the DT1-1 element can be reduced under C0653.
z The FB only evaluates the specified most significant bits, according to the setting.
t
T
v
K=T
d
/T
v
Fig. 9-81 Delay time T
v
of the first order derivative-action element