Lenze DDS Target 9300 Servo PLC V8.x Uživatelský manuál stáhnout pdf (Strana 42)

2.8 DFIN_IO_DigitalFrequency (node number 21)

9300 Servo PLC

System blocks

2−36

9300 Servo PLC EN 5.1

2.8 DFIN_IO_DigitalFrequency (node number 21)

2.8.1 Inputs_DFIN

This SB can convert a pulse current at the digital frequency input X9 into a speed value and scale it.

 The transmission is very precise without offset and gain errors.

 In addition, this SB provides the phase correction value DFIN_dnIncLastScan_p which is

required within the calling task for phase processing of touch probe processes.

(^ 2−41)

DFIN_IO_DigitalFrequency

C0426

C0425

TP/MP

-Ctrl

C0428 C0429

DFIN_nIn_v

DFIN_bTPReceived_b

DFIN_dnIncLastScan_p

DFIN_bEncFaultCable_b

C0427

(X9/8) MONIT_SD3

C0431

Fig. 2−15 DFIN_IO_DigitalFrequency

System variables

Variable Data type Signal type Address Display

Code

Display

Format

Note

DFIN_nIn_v Integer Velocity %IW21.0 C0426 dec [rpm] Value in inc/ms

DFIN_bEncFaultCable_b Bool Binary %IX21.1.0 − − TRUE = Monitoring

"FaultEncCable" has been

triggered because X9/8 is not

supplied with voltage and the

digital frequency coupling is thus

interrupted.

DFIN_bTPReceived_b Bool Binary %IX21.1.2 − − Receive touch probe (TP)

DFIN_dnIncLastScan_p Double integer Position %ID21.1 − − inc between TP and task start

Stop!

The digital frequency input X9 cannot be used if

 you use the digital frequency output X10 (C0540 = 0, 1, 2) and

 an incremental encoder/sin−cos encoder!

1 2 ... 37 38 39 40 41 42 43 44 45 46 47 ... 168 169

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