Commands, Ansi x3.28 "?" command example, Command data and responses – Black Box 945 User Manual

Page 18: Command, Data.1 respns

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18

WATLOW Series 945

How to Use Data Communications

Commands

Data.1

Respns

Information

Comments

C1

ACTUAL

Actual process value

Between R1L and R1H

IN

0

J T/C

1

K T/C

2

T T/C

3

N T/C

4

PT2 T/C

5

C T/C

6

Not Used

7

R T/C

8

S T/C

9

B T/C

10

RTD whole

11

RTD tenths

12

0-5V

13

4-20mA

MODE

1

Auto mode

Multiple modes are possible.

2

Manual mode

4

Configuration mode

8

Calibration mode

16

Alarm silence active

ERR

0

No error

Multiple errors are possible.

1

Open sensor

2

Reversed sensor

4

Ambient sensor

8

Configuration

16

EE Checksum

32

A/D underflow

64

A/D overflow

128

Not used

ER2

0

No error

Cleared when ER2 is read.

1

Transmit buffer overflow

Only 1 ER2 response is valid.

2

Receive buffer overflow

3

Framing error

4

Overrun error

5

Parity error

6

Talking out of turn

7

Invalid reply error

8

Noise error

16

Process input active

17

Local/remote is local

18

Local/remote is remote

19

Remote not enabled

20

Command not found

21

Parameter not found

22

Incomplete command line

23

Invalid character

24

Number of chars. overflow

25

Input out of limit

26

Read only command

27

Write allowed only

BTYP

0

T/C Only

1

T/C, RTD whole, process

2

T/C, RTD tenths, process

3

R, S, B T/C

MDL

Displays 945 X
X = software revision

RSP1

Remote SP

Remote set point setting

"?" Command

The "?" Command reads a specific value of the Series 945 parameter (Data.1).
Tables 5 and 6 provide the complete list of parameters you may use, plus re-
sponses.

Table 5 -
"?" Commands
and Responses.
These commands
are READ ONLY.

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