Row b row c, 1794-tbn shown – Rockwell Automation 1794-IF2XOF2IXT FLEX XT I/O Isolated Input Analog Module User Manual

Page 3

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3

Publication 1794-IN129B-EN-P - April 2009

7. 1794-TB2, -TB3, and -TB3S - Connect wiring shields to functional

earth ground as near as possible to the module.

1794-TB2, 1794-TB3, 1794-TB3S, 1794-TB3T and 1794-TB3TS Terminal Base
Wiring

1794-TBN Terminal Base Wiring

Input Map (1794-IF4IXT)

Input Map (1794-OF4IXT, 1794-IF2XOF2XT)

Output Map (1794-IF4IXT)

Output Map (1794-OF4IXT)

-V DC
Common

1794-TB2, -TB3, -TB3S - Terminals B-16 through B-33 are internally
connected in the terminal base unit.

1794-TBN - Terminals B-16 and B-33 are internally connected in the
terminal base unit.

1794-TB3T, -TB3TS - Terminals 16, 17, 19, 21, 23, 25, 27, 29, 31 and 33 are
internally connected in the terminal base unit.

+V DC
Power

1794-TB3, -TB3S - Terminals 34 through 51 are internally connected in the
terminal base unit.

1794-TB3T, -TB3TS - Terminals 34, 35, 50 and 51 are internally connected
in the terminal base unit.

1794-TBN, -TB2 - Terminals 34 and 51 are internally connected in the
terminal base unit.

Chassis
Ground
(Shield)

1794-TB3T, -TB3TS - Terminals 39 through 46 are internally connected to
chassis ground.

Dec.

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

Oct.

17

16

15

14

13

12

11

10

7

6

5

4

3

2

1

0

Word 0

Analog Value Channel 0

Word 1

Analog Value Channel 1

Word 2

Analog Value Channel 2

Word 3

Analog Value Channel 3

Word 4

Real Time Sample

Word 5

PU

FP

CF

0

Reserved

0

0

0

0

0

BD

DN

0

Word 6

0

0

0

0

0

0

0

0

V3

V2

V1

V0

U3

U2

U1

U0

Where :

PU = Power up inconfigured

FP = Field power off

CF = In configuration mode

BD = Bad calibration

DN = Calibration accepted

U = Underrange for specified channel

V = Overrange for specified channel

Dec.

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

Oct.

17

16

15

14

13

12

11

10

7

6

5

4

3

2

1

0

1794-OF4IXT

Word 0

Read Back Channel 0

Word 1

Read Back Channel 1

Channel

Signal
Type

Label
Markings

1794-TB2, -TB3, -TB3S, -TB3T,
-TB3TS

1794-TBN

Terminal

Shield (1794-TB3T,
-TB3TS

Terminal

+

DC only

Current only

+

+

DC only

I

+

A

B

C

+

+

AC or DC

4-Wire Output

Device

+

1

2

3

4

5

6

7

8

9

10

11

12

13 14 15

0

Current
Output
Device

Current
Output
Device

Current
Output
Device

Voltage
Output
Device

I

I

3-Wire Output

Device

2-Wire Output

Device

3-Wire Output

Device

I

_

_

_

_

_

16-33

34-51

0-15

I

R

V

R I

R

V

R

I

R

V

R

I

R

V R

0

1

2

3

4

5

6

7

8

9

10

11

12

16

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

17

18

19

20

21

22

23

24

25

26

27

28

29

30

33

32

31

13

15

14

16

0

2

4

6

8

10

12

14

33

34

1

3

5

7

9

11

13

15

51

16, 0, 2, 4, 6,
8, 10, 12, 14, 33

34, 1, 3, 5, 7,
9, 11, 13, 15, 51

16

Even Numbered Terminals 0 thru 14

34

Row B

Row C

I

I

+

-

+

-

AC or DC

4-Wire Current

Transmitter

Current

Input

+

DC only

+

+

Current

Input

2-Wire Current

Transmitter

Current only

+

+

Current

Input

+

+

3-Wire

Transmitter

DC only

Voltage

Input

I

I

51

33

1794-TBN shown

3-Wire

Transmitter

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

1794-IF2XOF2XT

Word 0

Analog value for Input channel 0

Word 1

Analog value for Input channel 1

Word 2

Read Back Output channel 0

Word 3

Read Back Output channel 1

Word 4

0

Real Time Sample

Word 5

PU

FP

CF

0

Reserved

0

0

0

0

0

BD

DN

0

Word 6

0

0

0

0

P1

P0

0

0

0

0

V1

V0

W1

W0

U1

U0

Where :

PU = Power up inconfigured

FP = Field power off

CF = In configuration mode

BD = Bad calibration

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

Dec.

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

Oct.

17

16

15

14

13

12

11

10

7

6

5

4

3

2

1

0

Word 0

EN

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

Word 1

Channel 3 Filter

Channel 2 Filter

Channel 1 Filter

Channel 0 Filter

Word 2

Ch 3 Configuration

Ch 2 Configuration

Ch 1 Configuration

Ch 0 Configuration

Word 3

0

Real Time Sample Interval

Word 4

IC

1

TR

IT

0

0

0

0

RV

QK

CK

GO

Channel Number

Word 5

Reserved

Where :

EN = Inable bit (not used on input module)

IC = Initiate Configuration bit

TR = Transparent bit

IT = Interrupt toggle bit

RV = Revert to default bit

QK = Quick calibration

CK = Calibration clock

GO = Gain Offset select

Dec.

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

Oct.

17

16

15

14

13

12

11

10

7

6

5

4

3

2

1

0

1794-OF4IXT

Word 0

EN

S1

S0

0

0

0

0

0

0

0

0

0

0

0

0

0

Word 1

Output Data Channel 0

Word 2

Output Data Channel 1

Word 3

Output Data Channel 2

Word 4

Output Data Channel 3

Word 5

Ch 3 Configuration

Ch 2 Configuration

Ch 1 Configuration

Ch 0 Configuration

Word 6

IC

1

TR

IT

Q3

Q2

Q1

Q0

RV

QK

CK

GO

Channel Number

1794-IF2XOF2XT

Word 0

EN

S1

S0

0

0

0

0

0

0

0

0

0

0

0

0

0

Word 1

Analog Output Data - Channel 0

Word 2

Analog Output Data - Channel 1

Word 3

0

0

0

0

0

0

0

0

Input Channel 1 Filter

Input Channel 0 Filter

Words 4

Output Channel 1
Configuration

Output Channel 0
Configuration

Input Channel 1
Configuration

Input Channel 0
Configuration

Word 5

0

Real Time Sample Programmed Interval

Word 6

IC

1

TR

IT

Q1

Q0

0

0

RV

QK

CK

GO

Channel Number

Where :

EN = Inable output - 0 = output follows S1/S0; 1 = output enabled

S1/S0 = Safe state source

IC = Initiate Configuration bit

TR = Transparent bit

IT = Interrupt toggle bit

Q0 thru Q3 = Requests for outputs to hold

RV = Revert to default bit

QK = Quick calibration

CK = Calibration clock

GO = Gain Offset select

Dec.

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

Oct.

17

16

15

14

13

12

11

10

7

6

5

4

3

2

1

0

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