Technical data

Parameters

1. Specifying the source:

1a) ACCU-2-L

Number of the first data word in the open data block to be transferred

2. Specifying the destination:

2a) ACCU-1-LH

First flag byte to be written to,

possible values: 0 to 255

2b)

ACCU-1-LL

Last flag byte to be written to,

possible values: 0 to 255

(The last flag byte must be ≥ the first flag byte)

Result

If special function OBs 191/193 are processed correctly, the RLO is

cleared (RLO = 0). The ACCUs remain unchanged.

In the event of an

error, the RLO is set (RLO = 1), the ACCUs

remain unchanged.

Possible errors

•• No DB or DX data block open

•• Incorrect flag area (last flag byte < first flag byte)

•• Data word number does not exist

•• DB or DX data block not long enough

OB 191/OB 193: Transferring Data Fields to a Flag Area

CPU 928B Programming Guide

C79000-B8576-C898-01

6 - 73