Rockwell-automation 2705 RediPanel Push Button Module Instrukcja Użytkownika Pobierz pdf (Strona 55)

Chapter 4

Programming the RediPANEL Modules

4–16

Block Transfer Read and Write Instruction Parameters

Program all block transfer read and write instructions in the first rungs of

your program. Each instruction transfers a maximum of 64 words between

the processor and the sub I/O scanner. There are 8 words for the sub I/O

scanner utility functions and 8 words for each of the 7 logical racks of

RediPANELs the sub I/O scanner can communicate with.

The block transfer read and write instructions have certain parameters that

you must enter. They are as follows:

Parameter Description Notes

Rack Number of I/O rack in which the I/O scanner is located. Consult PLC manual

Group Number of I/O group in rack. 0 - 7

Module Number of slot in I/O group in which the sub I/O scanner is

located.

0 or 1

Control Block 5-word integer file that controls the instruction’s operation.

This is not the fil type for control elements, R

Enter the integer file address without the # symbol.

For example, N7: (any integer file) not #N7:.

Data File Address that the processor uses to transfer data (writing to

or reading from).

Enter file address without the # symbol.

Length Number of words the sub I/O scanner is transferring. 8 words (for Sub I/O Scanner utility functions) plus 2 words for

each 1/4 rack of I/O the Sub I/O Scanner communicates with.

The Length is 20 for the following example:

4 RediPANELS configured for 1/4 rack

1 RediPANEL configured for 1/2 rack to the Sub Scanner

8 words (Sub I/O Scanner utility functions)

8 words (2 words for each 1/4 RediPANEL)

+ 4 words (for one 1/2 rack RediPANEL)

20 words

Continuous Mode of instruction execution. Enter N for No.

1 2 ... 50 51 52 53 54 55 56 57 58 59 60 ... 99 100

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Rockwell-automation 2705 RediPanel Push Button Module Instrukcja Użytkownika Strona 55