Rockwell-automation 1760-xxxx Pico GFX-70 Controllers User Manual Manual de usuario descargar pdf (Pagina 166)

Publication 1760-UM002B-EN-P - March 2005

4-56 Wiring with Pico GFX-70

Contacts

BT01E1 to BT32E1: the number of marker bytes exceeds the source or

destination range.

BT01E2 to BT32E2: source and destination range overlap. Only valid for CPY

mode, copy marker ranges.

BT01E3 to BT32E3: the specified offset is invalid.

Coils

BT01T_ to BT32T_: trigger coil of the transfer data block function block.

Memory Requirement of the Transfer Data Block Function Block

The transfer data block function block requires 48 bytes of memory plus 4

bytes per constant at the function block inputs.

Function of the Transfer Data Block Function Block

The transfer data block comparator function block has two operating modes.

Anti-aliasing INI marker ranges

There is one source range and one destination range. The source range is

specified at

>I1. The length of the source range is one byte. The destination

range is specified at

>I2. The length of the destination range is specified by the

number of bytes at the

>NO input.

The content of the source range is transferred to the marker bytes in the

destination range.

The function block executes the transfer if there is a rising edge from 0 to 1 at

the BT..T_ (Trigger) coil.

The error outputs E1, E2 and E3 are evaluated regardless of the status of the

trigger.

IMPORTANT

No data blocks are initialized or copied if an error occurs.

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