KEYENCE N-400 - Manual (Page 79)

71
Chapter 4 Multi-Drop Link Mode Control Procedure
4
● Checking individual ID number
Command: IDCHKmm
[mm = 01 to 31 (ID number)]
Response:
ON: Registered
OFF: Not registered
ERR01: “mm” exceeds the range of “01” to “31”.
● Registering serial ID numbers
Command: IDMAXmm
[mm = 01 to 31 (ID number)]
Response: OK
ERR01: “mm” exceeds the range of “01” to “31”.
Description: Registers all ID numbers not more than “mm”.
When “mm” is “00”, registering serial numbers is disabled.
● Checking serial ID numbers
Command: IDMAX
Response: MAXmm
mm = 01 to 31 (ID number)
mm = 00 : Not registered
mm = 99: The registered ID numbers are not serial numbers.
Description:
Registers all ID numbers not more than “mm”.
When the registered ID numbers are not serial numbers, the response is “99”.
Saving registered ID numbers
The registered ID numbers for auto polling are saved in the N-400.
Command: IDSAVE
Response: OK
Controlling auto polling
Setting auto polling mode to ON or OFF.
● Auto polling ON
Command: POLE00
Response: OK
Example: Sending the command to start auto polling (When ten BL series units are
connected)
1. Send “ID001111111111000000000000000000000 [CR]” (or “IDMAX10 [CR]”).
2. The N-400 sends back “OK [CR]”.
3. Send “POLE00 [CR].”
4. The N-400 sends back “OK [CR]”.