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Chapter 8 MODBUS Communications|ASDA-AB Series
Revision January 2009 8-17
8.4 Communication Parameter Write-in and Read-out
There are following five groups for parameters:
Group 0: Monitor parameter (example: P0-xx)
Group 1: Basic parameter (example: P1-xx)
Group 2: Extension parameter (example: P2-xx)
Group 3: Communication parameter (example: P3-xx)
Group 4: Diagnosis parameter (example: P4-xx)
For a complete listing and description of all parameters, refer to Chapter 7.
Communication write-in parameters for ASDA-AB series are including:
Group 0: P0-02 ~ P0-17 (0002H to 0011H)
Group 1: P1-00 ~ P1-62 (0100H to 013EH)
Group 2: P2-00 ~ P2-65 (0200H to 0241H)
Group 3: P3-00 ~ P3-07 (0300H to 0307H)
Group 4: P4-05 ~ P4-23 (0405H to 0417H)
NOTE
1) P3-01 After the new transmission speed is set, the next data will be written in new
transmission speed.
2) P3-02 After the new communication protocol is set, the next data will be written in new
communication protocol.
3) P4-05 JOG control of servo motor. For the description, refer to Chapter 7.
4) P4-06 Force output contact control. This parameter is for the users to test if DO (Digit output) is
normal. User can set 1, 2, 3, 4, 5 to test DO0, DO1, DO2, DO3, DO4, respectively. After the
test has been completed, please set this parameter to 0 to inform the drive that the test has
been completed.
5) P4-10 Adjustment function selection. If user desires to change the settings of this parameter, user
has to set the value of the parameter P2-08 to 20 (hexadecimal: 14H) first and then restart.
After restarting, the settings of parameter P4-10 can become modified.
6) P4-11 ~ P4-21 These parameters are for offset adjustment. Do not change the factory default setting
if not necessary. If the user desires to change the settings of these parameters, the
user has to set the value of the parameter P2-08 to 22 (hexadecimal: 16H) first and
then restart. After restarting, the settings of parameters P4-11 to P4-21 can become
modified.