Lenze Drive PLC Developer Studio 9300 Servo PLC (V8.x) Uživatelský manuál stáhnout pdf (Strana 45)

9300 Servo PLC

System blocks

2.8 DFIN_IO_DigitalFrequency (node number 21)

2−31

9300 Servo PLC EN 5.0

Transmission function

DFIN_nIn_v + f[Hz] @

StrichzahlausC0425

15000

Example:

 Input frequency = 200 kHz

 C0425 = 3, this corresponds to 2048 increments/rev.

DFIN_nIn_v[rpm] + 200000Hz @

2048

+ 5859rpm

Signal adaptation

Finer resolutions can be achieved by adding a downstream FB (e.g. L_CONV from the

LenzeDrive.lib):

DF_IN

DFIN_bEncFaultCable_b

C0426

C0427

C0425

(X9/8)

TP/MP

-Ctrl

C0428 C0429

MONIT_SD3

DFIN_nIn_v

DFIN_bTPReceived_b

DFIN_dnIncLastScan_p

NNumerator

Ndenominator

nIn_a nOut_a

L_CONV

Fig. 2−16 Digital frequency input (DFIN_IO_DigitalFrequency) with downstream FB L_CONV for scaling

nOut_a + f[Hz] @

StrichzahlausC0425

nNumerator

nDenominator

15000

1 2 ... 40 41 42 43 44 45 46 47 48 49 50 ... 166 167

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Lenze Drive PLC Developer Studio 9300 Servo PLC (V8.x) Uživatelský manuál Strana 45