Rockwell Automation 1794-IF4I, -OF4I, IF2XOF2I, -IF4IXT, -IF4ICFXT, -OF4IXT, IF2XOF2IXT FLEX I/O Isolated Analog Modules User Manual

Page 64

Advertising
background image

Publication 1794-6.5.8 - January 2010

64 Writing Configuration to and Reading Status from Your Module with a Remote I/O Adapter

4 Isolated Output Analog Module (Cat. No. 1794-OF4I)

Module Image

I/O Image

Read Back Channel 0

Read Back Channel 1

Read Back Channel 2

Read Back Channel 3

Input Size

Output Size

2 to 7 Word

0 to 6 Words

PU FP CF

BD DN

Channel Configuration

IC

RV QK CK GO

Channel #

Set to 0

EN

Hold Outputs

Wire-off

S1 S0

Output Data Channel 0

Output Data Channel 1

Output Data Channel 2

Output Data Channel 3

1

Q3 Q2 Q1 Q0

TR IT

Table 4.9

Analog Output Module (1794-OF4I) Read

Word/Dec. Bit

15

14

13

12

11

10

09

08

07

06

05

04

03

02

01

00

Word/Octal Bit

17

16

15

14

13

12

11

10

07

06

05

04

03

02

01

00

Read Word 0

Read Back Channel 0

Word 1

Read Back Channel 1

Word 2

Read Back Channel 2

Word 3

Read Back Channel 3

Word 4

PU

FP

CF

0

Reserved

0

0

0

0

0

BD

DN

0

Word 5

0

0

0

0

P3

P2

P1

P0

0

0

0

0

W3

W2

W1

W0

Where:
PU = Power up unconfigured state
FP = Field power off
CF = In configuration mode
BD = Calibration bad
DN = Calibration accepted
P0 thru P3 = Output holding in response to Q0 thru Q3
W0 thru W3 = Wire off current loop status for channels 0 thru 3 respectively. (Not used on voltage outputs.)

Advertising