Inverter Reset - Mitsubishi Electric FR-A7NC Instruction Manual

4.5

Inverter reset

(Refer to page 93 for an inverter reset program example.)
(1) Operation conditions of inverter reset
Which resetting method is allowed or not allowed in each operation mode is described below.
Inverter reset (Refer to page 73)
Reset from the Error reset (RY1A)at inverter fault
network (Refer to page 57)
Turn on the inverter RES signal (terminal RES)
Switch off inverter power
Inverter reset
Reset from the
PU/DU
Reset at inverter fault
*1 Inverter reset can be made any time.
*2 Reset can be made only when the protective function of the inverter is activated.
CAUTION
1. When a communication line error has occurred, reset cannot be made from the network.
2. The inverter is set to the External operation mode if it has been reset in Network operation mode in the
initial status.
To resume the network operation, the inverter must be switched to the Network operation mode again.
Set a value other than "0" in Pr. 340 to start in the Network operation mode. (Refer to page 22.)
3. Communication continues during inverter reset. (The inverter can not be controlled for about 1s after
release of a reset command .)
Resetting Method
*1
*2
Network
Operation
Allowed
Pr.349 = 0
Allowed
Pr.349 = 1
Enabled
Enabled
Enabled
Enabled
INVERTER SETTING
Operation Mode
External PU
Operation Operation
Disallowed Disallowed
Allowed Allowed
Disallowed Disallowed
Enabled Enabled
Enabled Enabled
Enabled Enabled
Enabled Enabled
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