Lenze 8400 - Manual (Page 1288)

18 Function library
18.1 Function blocks | L_DT1_1
1288
Lenze · 8400 protec HighLine · Reference manual · DMS 3.0 EN · 03/2013 · TD05
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18.1.82 L_DT1_1
This FB differentiates signals. The function block can, for instance, be used to apply an acceleration
(dv/dt).
Inputs
Outputs
Parameter
Identifier
Data type
Information/possible settings
nIn_a
INT
Input signal
Identifier
Data type
Value/meaning
nOut_a
INT
Output signal
Parameter Possible settings Info
C00251 10 ms 5000 Time constant Tn
• Lenze setting: 1000 ms
C00252 -320.00 320.00 Gain factor Vp
• Lenze setting: 1.00
C00253
Note: The most significant bit determines
the sign of the value, the remaining bits
determine the numerical value.
Selection of sensitivity
• Depending on the selection, the
number of indicated higher-order
bits is evaluated.
• Lenze setting: 15 bit
1 15 bits Bit 0 ... bit 14 are evaluated
2 14 bits Bit 0 ... bit 13 are evaluated
3 13 bits Bit 0 ... bit 12 are evaluated
4 12 bits Bit 0 ... bit 11 are evaluated
5 11 Bit Bit 0 ... bit 10 are evaluated
6 10 Bit Bit 0 ... bit 9 are evaluated
7 9 Bit Bit 0 ... bit 8 are evaluated
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7Q
9S
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