Lenze 8400 User Manual

Lenze · 8400 HighLine · Reference manual · DMS 12.0 EN · 06/2017 · TD23 1380
17 Function library
17.1 Function blocks | L_DT1_1
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17.1.82 L_DT1_1
This FB differentiates signals. The function block can be used for acceleration feedforward (dv/dt),
for example.
Inputs
Outputs
Parameters
Designator
Data type
Information/possible settings
nIn_a
INT
Input signal
Designator
Data type
Value/meaning
nOut_a
INT
Output signal
Parameters 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 bits
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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Lenze 8400 Specifications

General

Category	DC Drives
Series	8400
Protection class	IP20
Control Type	Vector control
Communication	CANopen, PROFIBUS, Ethernet
Protection Features	Overcurrent, overvoltage, undervoltage, overtemperature
Input Voltage	AC 230/400/480 V