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Watlow Series 734 Data Communications User Manual

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How to Use Data Communications

2

WATLOW Series 733/734

Contents

Pg.

Item

Hardware and Wiring

3

Data Communications and the Series 733/734

3

Hardware Interfaces Protocols

3

Communications Wiring

4

EIA/TIA-422 Interface Pinouts

5

EIA/TIA-423 Interface Pinouts

(EIA/TIA-232 Compatible)

6

EIA/TIA-485 Interface Pinouts

6

Connecting the Control and Computer

7

Setting Hardware Protocol Switches

7

Network Connections

Software Setup

8

Communications Setup Prompts

9

ASCII and Series 733/734 Information

10

Series 733/734 General Message Syntax

10

Message Syntax

10

Data Rules

10

Command List

11

Example Format

11

XON/XOFF Protocol for EIA/TIA-423

12

Start and Stop Communicating with the Series

733/734 and XON/XOFF

12

XON/XOFF "=" Command Example

13

XON/XOFF "?" Command Example

14

ANSI X3.28 Protocol for EIA/TIA-422 & EIA/

TIA-485

14

Device Address

Commands

14

Starting Communications in ANSI X3.28

15

Stopping Communications in ANSI X3.28

15

ANSI X3.28 "=" Command Example

16

ANSI X3.28 "?" Command Example

17

Command Summary and Syntax

20

NAKs and Error Codes

20

User Responsibility

21

Series 733 Model Number Information

22

CE Declaration of Conformity

23

Index

Pg.

Fig.

Item

Figures

4

1

EIA/TIA-422 Interface Wiring

5

2

EIA/TIA-423 Interface Wiring

6

3

EIA/TIA-485 Interface Wiring

7

4

EIA/TIA-422 & EIA/TIA-423 Switch

Selection

11

5

General Message Syntax Example

12

6

XON/XOFF "=" Command Example

13

7

XON/XOFF "?" Command Example

15

8

ANSI X3.28 "=" Command Example

16

9

ANSI X3.28 "?" Command Example

Pg.

Table

Item

Tables

8

1

Communications Setup

9

2

ASCII Character Set

9

3

ASCII Control Characters (Partial Set)

14

4

Address to ASCII Conversion

17

5

Command Summary and Syntax

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