Data format [21]

 

 

Auto tuning

 

 

 

 

 

 

 

 

 

 

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

0

0

0

0

0

0

REV FWD

Data portion

0: Without forward rotation command

1: With forward rotation command.

0: Without reverse rotation command.

1: With reverse rotation command.

Example) If P04 (motor 1 auto - tuning)=1: Forward rotation 0000 0001 0000 0001b=0101H

9-4-8 Communication Errors Exception Response

When the inverter receives a message that does not contain communication errors but the message can not be processed, the inverter will return an exception response. The exception response contains an error sub-code in the data field that represents the problem.

Exception Response Errors

Sub-Code

Name

Causes

1

Illegal Function

Received RTU Function other than 03, 06 or 16

2

Illegal Data Address

• The starting parameter address is an unused inverter parameter.

 

 

• The starting parameter address plus the offset refers to inverter

 

 

parameter greater than the last parameter in a Function Code sort.

 

 

• The number of registers is greater than 16.

3

Illegal Data Value

Data contains an out of range value for an inverter parameter

7

Negative Acknowledge

• Requested data cannot be changed while the inverter is running.

 

 

• The inverter parameter function is owned by the network interface

 

 

option card and cannot be changed.

Communication errors

Communication errors occur when the inverter receives an invalid message. The inverter will not return a response to a communication error. A code that represents the last communication error is stored in inverter parameter M26. Typical communication message errors include parity, framing, and CRC errors.

9-15

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Fuji Bikes 5000G11S/P11S instruction manual Data format Auto tuning