Rockwell Automation 1760-xxxx Pico GFX-70 Controllers User Manual - Manual (Page 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.