Manual De Usuario Black Box Tarjeta De Red 945 [16/28 Páginas]

Black Box Tarjeta de red 945

How to Use Data Communications

WATLOW Series 945

ANSI X3.28 "="

Figure 8 -

ANSI X3.28 "="

Command Example.

ANSI X3.28 "=" Command Example

The "=" Command sets a specific 945 parameter to a specific value. The general

command syntax applies to all commands. The definition and number of argu-

ments depends on the command itself. See Table 6, Pages 20 - 21.

In this example, you want to change the Alarm 1 Low value to 500°. Here, the "="

command will do the job.

'"=" command Syntax with ANSI X3.28 Protocol:

With the "=" command, Data.1 is the Series 945 parameter, in this case Alarm 1

Low , A1LO. Data.2 is the value you want to set for that parameter, in this ex-

ample, 500.

Enter in ASCII:

The hex string is:

023D2041314C4F2035303003

Stopping Communications in ANSI X3.28 Protocol

The master device, your computer, must end communications with Device #4 by

using Data Link Escape (DLE) and End of Transmission (EOT) characters.

Enter in ASCII: <DLE><EOT>

Response from the 945:

None

10 04

<DLE>

<EOT>

ASCII

Characters

HEX Value

ASCII

Character

HEX

Value

Space

41 4C31 20 35 30 30

<Space>

3D 20

<STX>

<ETX>

02 03

Optional

Carriage

Return

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