Retry Count Setting (Pr.335) - Mitsubishi Electric 800 Series Instruction Manual

Rs-485 interface board, rs-485 communication terminals
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4.4.6

Retry count setting (Pr.335)

• Set the permissible number of retries at data receive error occurrence. (Refer to
• When the data receive errors occur consecutively and the number of retries exceeds the permissible number setting, a
communication fault (E.SER) occurs and the inverter trips.
• When a data transmission error occurs while "9999" is set, the inverter does not trip but outputs the alarm (LF) signal.
To use the LF signal, set "98 (positive logic) or 198 (negative logic)" in any of Pr.190 to Pr.196 (output terminal function
selection) to assign the function to an output terminal.
Computer⇒Inverter
Inverter⇒Computer
ALM
Computer⇒Inverter
Inverter⇒Computer
LF
ALM
44
PARAMETER
Example: Pr.335 = "1" (initial value)
Example: Pr.335 = "9999"
OFF
Illegal
Illegal
Reception error
OFF
Illegal
Illegal
Reception error
ON
OFF
page 42
for data receive error for retry.)
Fault (E.SER)
Reception error
ON
Normal
Reception error
ON

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