7.3 List of functions
7-7
Communication
(Modbus)
7.3 List of functions
Function codes supported on the E5AR/ER are shown below.
Function codes (Communication/Modbus)
Function
codes
Name Description
03 (H'03)
Read variables
(multiple)
Reads the variable area. Multiple
variables that are contiguous can be
read.
16 (H'10)
Write variables
(multiple)
Writes to the variable area.
Can write to multiple variables that
are contiguous.
Broadcasting is possible.
06 (H'06)
Write variable
(operation command)
Writes an operation command.
Broadcasting is possible.
08 (H'08) Echo back test Performs an echo back test.
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