Automatic Connection With Got - Mitsubishi Electric 800 Series Instruction Manual

Communication
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4.2

Automatic connection with GOT

When the automatic connection is enabled in the GOT2000 series, the inverter can communicate with the GOT2000 series
with only setting the station number and connecting the GOT. This eliminates the need for setting each communication
parameter separately.
Pr.
Name
117
PU communication
N020
station number
*1
When Pr.549 Protocol selection = "1" (MODBUS RTU protocol), the setting range is as shown in the parentheses.
*2
When a value outside the setting range is set, the inverter operates at the initial value.
 Automatic connection system configuration
GOT2000
 GOT2000 series automatic recognition
• Set the station number (Pr.117) of the inverter before the automatic recognition is performed.
• When the GOT2000 series is connected, the parameters required for the GOT connection are automatically changed by
setting the automatic recognition on the GOT2000 series side.
• Connect all the stations of inverters with GOT before the automatic recognition is performed. The inverter newly added
after automatic recognition will not be recognized automatically. (When an inverter is added, perform the initial setting in
Pr.999 Automatic parameter setting or set the automatic recognition on the GOT side again.)
Automatic change item
Communication speed
Pr.118
Data length / stop bit
Pr.119
Parity
Pr.120
Time delay setting
Pr.123
CR/LF selection
Pr.124
Number of communication
Pr.121
retries
Communication check time
Pr.122
interval
(Pr.549 holds the value before the automatic
Protocol selection
recognition.)
NOTE
• If the automatic recognition cannot be performed, initial setting in Pr.999 is required.
• For connection to a device other than the GOT2000 series, initial setting in Pr.999 is required.
• For details, refer to the GOT2000 Series Connection Manual (Mitsubishi Product).
Initial value
Setting range
Specify the inverter station number.
0 to 31
0
The inverter station number setting is required when multiple inverters are
*1*2
(0 to 247)
connected to one GOT (PU connector communication).
Four-wire multidrop
Automatic change parameter
Description
Terminating resistor
Setting value after change
Depending on the setting of the connected
device on the GOT side.
9999 (fixed)
9999 (fixed)
0 (fixed to Mitsubishi inverter protocol)
4. Other Communication Options
4.2 Automatic connection with GOT
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