41
6
6.2 Data communication type
The FR-A8ND supports "I/O communication (polling)" and "message communication (Explicit message connection)".
6.2.1
Overview of the I/O communication (polling)
Set Output/Input Instances using either of the following methods.
• Using
Pr.346
)
• Using Class 0x29 Instance 1 Attribute 140 or 141 (Refer to
"Output" is a command to the inverter, and "input" is a response from the inverter.
Instance ID
(output/input)
No. of bytes of
communicated data
Function
Refer to
page
20/70
4
The following is available: inverter forward operation and error reset of the inverter.
21/71
4
The following is available: inverter forward/reverse operation and error reset of the
inverter.
126/176
6
The following is available: inverter forward/reverse operation, error reset of the
inverter, and access to 16-bit parameters of the inverter.
127/177
8
The following is available: inverter forward/reverse operation, error reset of the
inverter, access to 16/32-bit parameters, speed command setting in units of Hz,
access to inverter input/output terminals.
