2 description of commands – KEYENCE N-400 User Manual

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Chapter 4 Multi-Drop Link Mode Control Procedure

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4

Example: When the “Polling ON” command is sent to the N-400

When “POLE00 [CR]” is sent to the N-400, the response is “OK [CR]”.

When “[STX] POLE00 [ETX]” is sent to the N-400, the response is “[STX]
OK [ETX]”.

When “[ESC] POLE00 [CR]” is sent to the N-400, the response is “OK
[CR].”

4.4.2 Description of commands

The following is a description of each command.

Registering and checking the ID numbers of the BL series
for which auto polling is performed.

Registers ID numbers for auto polling and checks which ID numbers are registered.

*

The following commands are intended for the N-400. These commands do not
check whether the BL series of the registered ID number is connected.

Registering all ID numbers

Command: ID00nnnnn...
n = 0: Do not register
n = 1: Register

Response: OK
ERR07... :“n” is any value other than “0” or “1”.

Description:
“n” corresponds to the ID number (1 to 31) in ascending order. (Thirty-one “n”s
are required.) If you need to register ID numbers 2, 3 and 4, the command is
ID000111000.....

Checking all ID numbers

Command: IDCHK

Response: nnnnn...
n = 0: Not registered
n = 1: Registered

Description:
“n” corresponds to the ID number (1 to 31) in ascending order. (Thirty-one “n”s
are required.)

Registering individual ID number

Command: IDmmn...
mm = 01 to 31 (ID number)
n = 0: Do not register
n = 1: Register

Response: OK
ERR01...: “mm” exceeds the range of “01” to “31”.
ERR07: “n” is any value other than “0” or “1”.

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