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Roland PNC-900 User Manual

Page 27

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21

Error

Possible cause

code

and action

0

No I/O errors

10

Cause: after execution of an output

command, other output instructions are

sent before the output was not completed.

Action: let the computer to read the PNC-

900 output by the output instruction

and then send another output instruction.

11

Cause: an error occurs in a device

control instruction.

Action: correct your program.

12

Cause: incorrect parameter are set to a

device control instruction (the default

value is set to the erroneous parameter)

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 PNC-

900 (baud rate, data bit length, stop bit

length).

16

Cause: the I/O buffer overflows.

Action: This error does not occur when

hardware handshake is performed, but

may occur when software handshake is

performed. If this error occurs, check the

remaining buffer capacity of the PNC-

900 and send less data than the

remaining buffer capacity.

Instruction

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 .L

[ESC].L

None

PNC-900 outputs the size of the I/O buffer to the

Output I/O buffer

computer when receiving this instruction. It usually

size

outputs 1024 (bytes).

Abort Instructions

ESC .J

[ESC].J

None

Aborts both the currently executed device control

Abort Device Control

instruction and output.

Instruction

ESC .K

[ESC].K

None

Continues to execute the CAMM-GL III instruction

Abort CAMM-GLIII

in operation, aborts other incoming CAMM-GL III

Instruction

instructions and clears the data buffer.

ESC .R

[ESC].R

None

Initializes all settings established by the device

Initialize Device

control instructions. Execution of [ESC].R brings

Control Instruction

the same states as the following device control

instructions are executed.

[ESC].J, [ESC].M:, [ESC].N:, [ESC].H:,

[ESC].I: and [ESC].@: