Rockwell Automation 1771-OFE Analog Output Module Installation Instructions - Manual (Page 14)

Analog Output Module 14
Publication 1771-IN044C-EN-P - October 2002
The fifth word contains the status of each DAC word; that is,
whether data is out of range or scaling is improperly programmed.
The fifth word also indicates that I/O RESET has been established
(when the processor is in the PROG/TEST or RUN mode).
Word Bits Description
5
Bits 00Ć03
When set, indicate invalid channel data is sent to the
module. These bits are not reset until a correct write
block transfer is sent. Bit 03 corresponds to Channel 4,
Bit 02 to Channel 3, and so on.
Bit 16
Is the I/O RESET bit. When set, it indicates that the proĆ
cessor is in TEST or PROGRAM mode (i.e., block transĆ
fer data is not being written to the module).