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Rockwell Automation 1793-OE2S FLEX INTEGRA ANALOG MOD User Manual

Page 36

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Publication 1793-6.5.1 - April 1999

4-8

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

2 Input/1 Output Analog Combo Module (Cat. No. 1793-IE2XOE1 and -IE2XOE1S)

Analog Combo Module (1793-IE4XOE1) Read

Word/Bit Descriptions for the 1794-IE4XOE1 and -IE2XOE1S Analog Combo
Module Read

Words 12-13

Bits 00-15

(00-17)

Reserved

Word

Decimal Bit

(Octal Bit)

Definition

Module Image

I/O Image

Input Data Channel 0

Input Data Channel 1

Output Data Channel 0

Underrange & Diag.

Output Channel 0 Safe State

Not used

Not used

Full Range and Configure Select

Not used

Input Size

Output Size

0 to 7 Words

0 to 5 Words

Read

Write

M

PU

Not used

Reserved

Reserved

Reserved

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

S

Analog Value Input Channel 0

Word 1

S

Analog Value Input Channel 1

Word 2

S

Word 3

S

Word 4

PU

Not used – set to 0

W1

W0

Where: S = sign bit (in 2’s complement)

W = Diagnostic bits for current output wire broken or load resistance high. (Not used on voltage outputs.)
PU = Power up bit

Word

Decimal Bit

(Octal Bit)

Definition

Read

Word 0

Bits 00-14

(00-16)

Channel 0 analog data – 12-bit left justified two’s complement number;
unused lower bits are zero; 4-20mA uses all 16 bits.

Bits 15 (17)

Channel 0 analog data sign bit.

Word 1

Bits 00-14

(00-16)

Channel 1 analog data – 12-bit left justified two’s complement number;
unused lower bits are zero; 4-20mA uses all 16 bits.

Bits 15 (17)

Channel 1 analog data sign bit.

Words 2

and 3

Reserved