Rockwell Automation 1769-XXXX Compact I/O Modules - Manual (Page 142)

142 Rockwell Automation Publication 1769-IN088A-EN-P - February 2011
Chapter 3 I/O Memory Mapping
1769-OF8C The following I/O memory mapping lets you configure the 1769-OF8C module.
Input Data File
For each module, slot
x, input data file words 3…10 contain the state of the
module’s output data (output data echo) file words 0…7. During normal
operation, these input words represent the analog values that the outputs are
directed to by the control program.
Enable
Ramping Disabled 0
Enabled 1
System
Interrupt High
Clamp Disabled 0
Enabled
(1)
1
System
Interrupt Low
Clamp Disabled 0
Enabled
(1)
1
Enable
Channel Disabled 0
Enabled 1
(1) These functions are not supported by all controllers, such as MicroLogix 1500, using any configuration method.
Refer to your controller manual for details.
Define Indicate this These bit settings
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Output Range
Select -10 …+10V DC 0 0 0
0…5V DC 0 0 1
0…10V DC 0 1 0
1…5V DC 0 1 1
Output Data
Select Raw/Proportional
Counts 0 0 0
Engineering Units 0 0 1
Scaled for PID 0 1 0
Percent Range 0 1 1
Define Indicate this These bit settings
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Wo
rd
Bit Position
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0 PF S7 S6 S5 S4 S3 S2 S1 S0
1 D3 H3 U3 O3 D2 H2 U2 O2 D1 H1 U1 O1 D0 H0 U0 O0
2 D7 H7 U7 O7 D6 H6 U6 O6 D5 H5 U5 O5 D4 H4 U4 O4
3 Channel 0 Data Value