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Rockwell Automation 1794-APBDPV1 FLEX I/O PROFIBUS Adapter User Manual User Manual

Page 35

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Publication 1794-UM064B-EN-P - May 2014

Communicate With Your Module 23

1794-OE4 Series B – 4 Output Analog Module Image Table Mapping

Chx SS Config

1142

1794-OE4/B Memory Map

Decimal Bit

15

14

13

12

11

10

09

08

07

06

05

04

03

02

01

00

Size

Octal Bit

17

16

15

14

13

12

11

10

07

06

05

04

03

02

01

00

Read/Write Words

S

Not used – set to zero

W3

W2

W1

W0

Read Word 0

S

Analog Value Channel 0

Write Word 0

S

Analog Value Channel 1

Word 1

S

Analog Value Channel 2

Word 2

S

Analog Value Channel 3

Word 3

S

Not used – set to 0

Chx Safe State Config

Word 4

PU

Not used – set to 0

C3

C2

C1

C0

Not used – set to 0

F3

F2

F1

F0

Word 5

S

Not used – set to 0

Word 6…9

Where:

PU = Power up bit – included in Series B modules only.
W = Diagnostic bits for current output wire broken or load resistance high. (Not used on voltage outputs.)
S = Sign bit (in 2’s complement)
C = Configure select bit
F = Full range bit

1794-OE4/B Range Selection Bits (Write Word 6)

Channel No.

Channel 0

Channel 1

Channel 2

Channel 3

F0

C0

F1

C1

F2

C2

F3

C3

Decimal Bits
(Octal Bits)

00

08

01

09

02

10

03

11

4…20 mA

1

0

1

0

1

0

1

0

0…10V DC/0…20 mA

0

1

0

1

0

1

0

1