Communications Writing - Omron E5AR-T User Manual

Section 7 Modbus Communications
Response

■ Communications Writing

Command
Response
7-24
This command is used to write set values. The number of elements
can be set from H'0004 to 0068 (4 to 104) to write from 2 to 52 set
values at consecutive addresses.
To specify the variable type and address, refer to Appendix Setting
Lists (P. A-6).
Parameters in setting area 1 can be written from setting area 1. An
operation error will occur if parameters are written from setting area 0.
To use this command, the communications writing function must be
enabled using the Communications Writing operation command.
To store the set values for Operation or Adjustment Level in EEPROM,
select "Backup Mode" and execute the RAM Write Mode command. If
"Backup Mode" is not selected, the set values will not remain in
memory when the power is turned OFF. For more information on the
above levels, refer to 4.1 Setting Levels and Key Operations (P. 4-2).
Slave Function Write start Number of
address code address elements
H'10
1 1 2 2
The response for a normal end is shown above. For information on
error responses, refer to 7.6 Write to Variable Area (P. 7-13).
Slave Function Write start Operation
address code address code
H'06 H'00 H'00 H'00
1 1 2 2
Related
information
H'00 Communications Writing Disabled
H'01 Communications Writing Enabled
This command is used to enable or disable the communications
writing function. It changes the setting of the Communications Writing
parameter.
When the communications writing function is disabled, communica-
tions cannot be used to write set values or send operation commands,
such as the Run/Reset operation command.
The default setting is "Communications Writing Disabled."
This command can be used in both setting area 0 and setting area 1.
Slave Function Write start Operation
address code address code
H'06 H'00 H'00 H'00
1 1 2 2
CRC-16
2
Related
information CRC-16
2
Description
Related
information CRC-16
2