Device control commands, 5. list of supported commands – IBM EGX-400 User Manual

Page 144

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Chapter 9 - Appendix

Command

Format

Parameter

Range ([ ] is default) Explanation

ESC .E

[ESC].E

None

Outputs an error code related to RS-232C interface

Output RS-232C

(see the table below), and clears the error

Error Code

simultaneously. At the same time, the error being

displayed is canceled.

ESC .K

[ESC].K

None

Continues to execute the RML-1 command

Abort RML-1

in operation, aborts other incoming RML-1

Command

commands and clears the data buffer.

Error Possible cause and action
code

0

No I/O errors

10

Cause: after execution of an output
command, other output commands are
sent before the output was not completed.
Action: let the computer to read the machine
output by the output command and then
send another output command.

11

Cause: an error occurs in a device
control command.
Action: correct your program.

13

Cause: parameters are overflowing.
Action: correct your program.

14

Cause: the number of the parameters set
is more than specified or a colon ‘:’ was
not used to terminate.
Action: correct your program.

15

Cause: framing error, parity error or over-
run error at the time of data receipt .
Action: match the communication
protocols of both computer and the ma-
chine (baud rate, data bit length, stop bit
length).

16

Cause: the I/O buffer overflows.
Action: Make sure the handshake setting
matches.

9-5. List of Supported Commands

Device Control Commands

The device control commands determine how communication between the machine and the computer will be handled
using the RS-232C interface; and also are employed when relaying to the computer the status of the machine.
A device control command is composed of three characters: ESC (1Bh), ".", and an uppercase letter.

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