Mitsubishi Electric FR-E740 SC EC Series User Manual

Selection of operation mode and operation location Parameter
6 - 218
6.18.3 Start command source and frequency command source during communication
operation (Pr. 338, Pr. 339, Pr. 550, Pr. 551)
When the RS-485 communication with the PU connector or communication option is used, the ex-
ternal start command and frequency command can be made valid. Command source in the PU op-
eration mode can be selected.
From the communication device, parameter unit, etc. which have command source, parameter write
or start command can be executed. Parameter read or monitoring can be executed in any operation
mode.
The above parameters can be set when Pr. 160 "User group read selection" = 0. However, the param-
eters can be set whenever the communication option is connected. (Refer to section 6.17.4.)

This parameter can be changed during a stop in any operation mode.
Pr.
No.
Name Initial Value
Setting
Range
Description Parameters referred to
Refer to
Section
338
Communication operation
command source
0
0 Start command source communication
59
79
270
Remote function
selection
Operation mode selection
Stop-on contact control
selection
6.6.3
6.18.1
6.9.4
1 Start command source external
339
Communication speed com-
mand source
0
0 Frequency command source communication
1
Frequency command source external (Frequency
command from communication is invalid, frequency
command from terminal 2 is valid)
2
Frequency command source external (Frequency
command from communication is valid, frequency
command from terminal 2 is invalid)
550
NET mode operation command
source selection

9999
0
The communication option is the command source
when NET operation mode.
2
PU connector is the command source when NET oper-
ation mode.
9999
Automatic communication option recognition
Normally, PU connector is the command source.
When a communication option is mounted, the com-
munication option is the command source.
551
PU mode operation command
source selection

2
2
PU connector is the command source when PU oper-
ation mode.
3
USB connector is the command source when PU
operation mode.
4
Operation panel is the command source when PU
operation mode.
9999
USB automatic recognition
Normally, operation panel is the command source.
When the parameter unit is connected to the PU con-
nector, PU is the command source. When USB is con-
nected, USB connector is the command source.

Mitsubishi Electric FR-E740 SC EC Series Specifications

General

Brand	Mitsubishi Electric
Model	FR-E740 SC EC Series
Category	Inverter
Language	English