5.3 Description of Function Codes 5.3.12 y codes (Link functions)
Bus function (Operation command source selection)
Related function codes: y98: Bus function (Operation selection)
H30: Link function (Operation selection)
If operating the inverter via field bus communication, X command operation will still be performed via field bus
communication, but this function should be used if wishing to provide run commands (FWD/REV) only by a method
other than communication (external contact signal input). When doing so, set the following values for y98, H30, and
F02.
Refer to the H30 section for details on operation if y94 is set to 1, and y98, H30, and F02 are set to other than the
following, and if y94 is set to 0.
Frequency
commands
PID commands,
etc.
Run command
Other than FWD, REV
(X command)
Commands via field
bus communication
Inverter control
terminal
Commands via field bus
communication
・周波数指令
・PID指令
・トルク指令
・デジタル入力信号(X1～X9)
MEGA
(G2)
MEGA
(G2)
運転指令 運転指令
Data clear processing for communications error
If any of the communication error alarms (er8, erp, er4, er5) occurs in RS-485, CANopen communication or bus
option, the data of communication command function codes (S codes) can automatically be cleared.
Since the frequency and operation commands are also disabled when the data is cleared, the inverter does not
start unintentionally when an alarm is released.
Do not clear the data of function codes Sxx when a communications error occurs.
(compatible with the conventional inverters)
Clear the data of function codes S01/S05/S19 when a communications error occurs.
Clear the run command assigned bit of function code S06 when a communications error
occurs.
Clear operations of 1 and 2 above are performed.
Clear operations for 1, 2 above and S02, S03, S13, S15, S20, S21 (ROM 0300 or later)
∙ Frequency command
∙ PID command
∙ Torque command
∙ Digital input signal (X1 to X9)
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