Mitsubishi Electric 800 Series Instruction Manual (Function page 269

Pr.338 Communication operation command
Pr.339 Communication speed command source
*1
Inverter reset
RES
*1
PU/NET operation switchover
X65
*1
External/NET operation switchover
X66
*1
Command source switchover
X67
*1
PID P control switchover
X72
*1
Magnetic flux decay output shutoff
X74
*1
Proximity dog
X76
*1
Sudden stop
X87
*1
Forward stroke end
LSP
*1
Reverse stroke end
LSN
*1
Emergency stop
X92
*1 Use Pr.178 to Pr.189 (Input terminal function selection) to assign the function to an input terminal. (Refer to
*2 When the same signals are input via external input terminal and via communication, the operation is as follows.
Logic
Normally open input
Normally closed input
NOTE
• The communication interface selection is determined by the settings of Pr.550 and Pr.551.
• The settings of Pr.338 and Pr.339 can be changed during operation when Pr.77 = "2". Note that the changed setting is applied
after the inverter has stopped. Until the inverter has stopped, the previous setting of the interface for the operation command
and the speed command in the Network operation mode is valid.
 Changing the command interface using a signal input via external
terminal (X67 signal)
• In the Network operation mode, the command interface for the operation command and the speed command can be
changed using the Command source switchover (X67) signal. This method may be useful to use both external terminal
and communication interface by using a different interface according to the command type.
• For the X67 signal, set "67" to any parameter from Pr.178 to Pr.184 (Input terminal function selection) to assign the
function to a control terminal.
• When the X67 signal is OFF, the command interface for the operation command and the speed command is the control
terminal.
X67 signal state
Signal not assigned
ON
OFF
NOTE
• The ON/OFF state of the X67 signal is applied only during a stop. When the terminals are switched during operation, the ON/
OFF state is reflected after a stop.
• When the X67 is OFF, a reset via communication is disabled.
• Changing the terminal assignment using Pr.178 to Pr.184 (Input terminal function selection) may affect the other functions.
Set parameters after confirming the function of each terminal.
268
11. (D) Operation Command and Frequency Command
11.3 Start command source and frequency command source during communication operation
source
Input via external input
terminal
OFF
OFF
ON (short-circuited)
ON (short-circuited)
OFF (open)
OFF (open)
ON
ON
Interface for the operation command
Determined by Pr.338 setting
Control terminal only
0: NET 1: EXT
0: 1: 2: 0: 1:
NET EXT EXT NET EXT
EXT
EXT
EXT
EXT
NET EXT NET EXT
NET EXT
Combined EXT
*2
EXT
Combined
*2
EXT
Combined
*2
EXT
Combined
Combined EXT
Input via communication
OFF
ON (short-circuited)
OFF
ON (short-circuited)
OFF (open)
ON
OFF (open)
ON
Interface for the speed command
Determined by Pr.339 setting
Remarks
2:
EXT
page 368.)
Actual signal state
OFF
ON
ON
ON
OFF
OFF
OFF
ON