Lenze Global Drive PLC Developer Studio Manual de usuario descargar pdf (Pagina 73)

Drive PLC

System blocks − Extension Board 3

7.3 DFIN_IO_DigitalFrequency (node number 21)

7−5

DrivePLC DE 6.0

7.3.1.1 Encoder input X3

 Encoder input X3 of the extension board 3 is designed for signals with TTL level.

 The input of a zero track is optional.

 The drive can be adapted to the connected encoder or preconnected controller with master

frequency cascade or master frequency bus under C0425.

Code LCD

Possible settings

IMPORTANT

Lenze Selection

C0425 DFIN const 3 Extension board 3: DFIN_IO

Increments of the encoder input

0 256 inc/rev

1 512 inc/rev

2 1024 inc/rev

3 2048 inc/rev

4 4096 inc/rev

5 8192 inc/rev

6 16384 inc/rev

Evaluation of master frequency signals

Fig. 7−4 Signal sequence with phase−shift (CW rotation)

 CW rotation: Track A leads track B by 90 ° (positive value at DFIN_nIn_v).

 CCW rotation: Track A lags track B by 90 ° (negative value at DFIN_nIn_v).

Transmission function

DFIN_nIn_v + f[Hz] @

IncrementsfromC0425

15000

Example:

 Input frequency = 200 kHz

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

DFIN_nIn_v[rpm] + 200000Hz @

2048

+ 5859rpm

1 2 ... 68 69 70 71 72 73 74 75 76 77 78 ... 128 129

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Lenze Global Drive PLC Developer Studio Manual de usuario Pagina 73