Lenze Global Drive 9300 Servo PLC Series User Manual

9300 Servo PLC
System blocks
2.8 DFIN_IO_DigitalFrequency
2-28
L
ServoPLC EN 2.0
Transmission function
DFIN_nIn_v = f[Hz]⋅
60
incr.from C0425
⋅
2
14
15000
Example:
• Input frequency = 200 kHz
• C0425 = 3, this corresponds to 2048 increments/rev.
DFIN_nIn_v [rpm] = 200000 Hz ⋅
60
2048
= 5859 rpm
Signal adaptation
Finer resolutions can be achieved by adding FBs (e. g. L_CONVV from the LenzeDrive.lib):
nNumerator
nDenominator
nIn_v nOut_v
L_CONVV
L_CONVV3
DFIN_IO_DigitalFrequency
C0426
X9
C0425
1
0
TP/MP
-Ctrl
C0428 C0429
DFIN_nIn_v
DFIN_bTPReceived_b
DFIN_dnIncLastScan_p
MP
DFIN_bEncFaultCable_b
C0427
4V
(X9/8) MONIT_SD3
E5
C0431
0
1
Fig. 2-15 Digital frequency input (DFIN_IO_DigitalFrequency) with FB L_CONVV for normalisation
nOut_a = f[Hz]⋅
60
incr.from C0425
⋅
nNumerator
nDenominator
⋅
2
14
15000
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Lenze Global Drive 9300 Servo PLC Series Specifications

General

Brand	Lenze
Model	Global Drive 9300 Servo PLC Series
Category	DC Drives
Language	English