Lenze DDS Target 9300 Servo PLC V8.x Manual de usuario descargar pdf (Pagina 12)

9300 Servo PLC

Preface and general information

1−6

9300 Servo PLC EN 5.1

1.2.5 Definition of inputs/outputs

The application program is connected with the hardware by linking system blocks with program

organisation units (POUs):

SB-Output SB-Input

POU-Input POU-Output

POU

Fig. 1−1 Principle: Linking of system blocks with a program organisation unit (POU)

Tip!

Inputs and outputs are always classified from the program’s point of view.

 Logic SB inputs are hardware outputs of the PLC.

 Logic SB outputs are hardware inputs of the PLC.

Example: System block DIGITAL_IO of the 9300 Servo PLC

If you want to use the digital input 1 and the digital output 1 of the 9300 Servo PLC, proceed as

follows:

1. Link the SB DIGITAL_IO explicitly with the DDS control configuration.

(^ 1−7)

2. Access to digital input 1:

Assign the system variable DIGIN_bIn1_b to a POU input.

3. Access to digital output 1:

Assign the system variable DIGOUT_bOut1_b to a POU output.

C0114/1...5

DIGIN

DIGIN_bIn1_b

DIGIN_bIn2_b

DIGIN_bIn3_b

DIGIN_bIn4_b

DIGIN_bIn5_b

C0443

DCTRL -X5/28

DIGIN_bCInh_b

C0118/1...4

DIGOUT

C0444/4

C0444/3

C0444/2

C0444/1

DIGOUT_bOut1_b

DIGOUT_bOut2_b

DIGOUT_bOut3_b

DIGOUT_bOut4_b

SB-OUT

SB-IN

POU

POU-IN

POU-OUT

Fig. 1−2 Principle: Linking of the 9300 Servo PLC system block DIGITAL_IO with a POU

Tip!

According to the IEC61131−3 standard, only one copy of the digital input 1 and the digital output 1

may be transferred.

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 168 169

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Lenze DDS Target 9300 Servo PLC V8.x Manual de usuario Pagina 12

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