Chapter 8 Communications ASDA-B2
8-18 Revision May, 2018
8.4 Write-in and Read-out Communication Parameters
Please refer to Chapter 7, Parameters for all parameter details. And the descriptions of
parameters which can be wrote or read through communication are as follows.
Parameters are divided into 5 groups, Group 0: Monitor Parameters, Group 1: Basic
Parameters, Group 2: Extension Parameters, Group 3: Communication Parameters and
Group 4: Diagnosis Parameters.
Write parameters via communication:
Parameters which can be written through communication include:
Group 0, except (P0-00 ~ P0-01), (P0-08 ~ P0-13) and (P0-46) Group 1 (P1-00 ~ P1-76)
Group 2 (P2-00 ~ P2-67)
Group 3 (P3-00 ~ P3-11)
Group 4, except (P4-00 ~ P4-04) and (P4-08 ~ P4-09)
Please note that:
(P3-01) When change to a new communication speed, the next data will be written in a
new transmission speed after setting the new value.
(P3-02) When change to the new communication protocol, the next data will be written
with the new communication protocol after setting the new value.
(P4-05) JOG controls parameters of the servo. Please refer to Chapter 8, Parameters for
the description.
(P4-06) Force to control output contact. This parameter is for DO (Digital Output) testing.
Users can write 1, 2, 4, 8 and 16 to test DO1, DO2, DO3, DO4 and DO5
respectively. Please write 0 after the test so as to inform the servo drive that the
test has been completed.
(P4-10) Adjustment function selection. Write 20 (= 14H in hexadecimal format) in
parameter P2-08 first to enable the adjustment so as to change the value of
P4-10.
(P4-11 ~ P4-21) This parameter is Offset Adjustment. Do not change the setting unless it
is necessary. If it is necessary, please write 22 (= 16H, in hexadecimal
format) in parameter P2-08 first to enable the function so as to change
the value of (P4-11 ~ P4-21)
Read parameters through communication:
Parameters can be read through communication include:
Group 0 (P0-00 ~ P0-46) Group 3 (P3-00 ~ P3-11)
Group 1 (P1-00 ~ P1-76) Group 4 (P4-00 ~ P4-23)
Group 2 (P2-00 ~ P2-67)
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