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Table 3, Controller communications commands continued – GE CTR 80 User Manual

Page 54

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whether or not a value is sent with the command following a “=” character. For
example “s” will return the current set-point and “s=150.0” will set
the set-point to 150.0 degrees.

In the following list of commands, characters or data within brackets, “[” and
“]”, are optional for the command. A slash, “/”, denotes alternate characters or
data. Numeric data, denoted by “n”, may be entered in decimal or exponential
notation. Characters are shown in lower case although upper case may be used.
Spaces may be added within command strings and will simply be ignored.
Backspace (BS, ASCII 8) may be used to erase the previous character. A termi-
nating CR is implied with all commands.

51

10 Digital Communication Interface

Command Description

Command
Format

Command
Example

Returned

Returned
Example

Acceptable
Values

ON or OFF

Set serial linefeed mode to on

lf[eed]=on

lf=on

Set serial linefeed mode to off

lf[eed]=of[f]

lf=of

Read R0 calibration parameter

r[0]

r

r0: 999.999

r0: 100.578

Set R0 calibration parameter to

n

r[0]=n

r=100.324

90 to 110

Read ALPHA calibration parameter al[pha]

al

al: 9.9999999

al: 0.0038573

Set ALPHA calibration parameter
to

n

al[pha]=n

al=0.0038433

.002 to .005

Read DELTA calibration parameter de[lta]

de

de:9.99999

de: 1.507

Set DELTA calibration parameter

de[lta]=n

de=1.3742

0–3.0

Read BETA calibration parameter

be[ta]

be

be:99.999

be:03427

Set BETA calibration parameter

be[ta]=n

be=0.342

–20 to 20

Read firmware version number

*ver[sion]

*ver

ver.9999,9.99

ver.7103,2.00

Read structure of all commands

h[elp]

h

list of commands

Read all operating parameters

all

all

list of parameters

Legend:

[] Optional Command data

{} Returns either information

n Numeric data supplied by user

9 Numeric data returned to user

x Character data returned to user

Note:

When DUPLEX is set to FULL and a command is sent to READ, the command is returned followed by a car-
riage return and linefeed. Then the value is returned as indicated in the RETURNED column.

Controller Communications Commands continued