Rockwell Automation 1769-IF4XOF2 Compact 8-Bit Low Resolution Analog I/O Combination Module - Manual (Page 52)

Publication 1769-UM008A-EN-P - November 2001
4-8 1769-IF4XOF2 Module Data, Status, and Configuration Channels
Output Data Resolution and Format
The resolution of an analog output channel depends on the output
type/range and data format selected. The following table provides
detailed resolution information for the module.
Configuration Data File The configuration file allows you to enable or disable an input or
output channel. It also allows you to configure the operation of the
outputs during a mode change to Program or a Fault condition.
Word 0 bits 4, 5, 6 and 7 allow the individual input channels to be
enabled or disabled. Word 1 bits 4 and 5 allow the individual output
channels to be enabled or disabled.
Table 4.5 Output Resolution
Full Output Range RAW/Proportional Data
Significant Bits Resolution per LSB Decimal
Representation of
Output Count Value
0V to 10.5 V dc Sign + 8 bits 41.18mV 0 to 32640 128 (1LSB)
0 mA to 21 mA Sign + 8 bits 82.35mA 0 to 32640 128 (1LSB)
TIP
Not all controllers support program access to the
configuration file. Refer to your controller’s user
manual.