165
5. Parameter Description
Eaton Electric General Inverters DF1 Series
UMXXXXXXXXE February 2020 www.eaton.com
5.8.1 Eaton protocol and Modbus protocol
• Parameter settings and monitoring are possible by using the inverter RS-485 terminals and the host computer link
communication.
Parameter
Name
Factory
Value
Setting
Range
Content
07-00
P.33
COM1 Communication
protocol selection
1
0
Modbus protocol
1
Eaton protocol
2
PLC protocol (Effective when using the Eaton built-in PLC)
07-01
P.36
COM1 Inverter station
number
0
0~254
The number of inverters is practically determined by the wiring method
and impedance matching. If Modbus protocol is used, please set the
value to a nonzero value.
07-02
P.32
COM1 Serial com-
munication Baud rate
selection
1
0
Baud rate: 4800bps
1
Baud rate: 9600bps
2
Baud rate:19200bps
3
Baud rate: 38400bps
4
Baud rate: 57600bps
5
Baud rate: 115200bps
07-03
P.48
COM1 Data length
0
0
8bit
1
7bit
07-04
P.49
COM1 Stop bit length
0
0
1bit
1
2bit
07-05
P.50
COM1 Parity check
selection
0
0
No parity verification
1
Odd
2
Even
07-06
P.51
COM1 CR/LFselection
1
1
CR only
2
Both CR and LF
07-07
P.154
COM1 Modbus com-
munication format
4
0
1, 7, N, 2 (Modbus, ASCII)
1
1, 7, E, 1 (Modbus, ASCII)
2
1, 7, O, 1 (Modbus, ASCII)
3
1, 8, N, 2 (Modbus, RTU)
4
1, 8, E, 1 (Modbus, RTU)
5
1, 8, O, 1 (Modbus, RTU)
07-08
P.52
COM1 Number of com-
munication retries
1
0~10
If the frequency of communication error exceeds the setting value of 07-
08 (P.52), and 07-10 (P.153) is set to 0, the alarm will go off and display
OPT.
07-09
P.53
COM1 Communication
check time interval
99999
0~999.8s
Use the set value for the communication overtime test.
99999
No communication overtime test.
07-10
P.153
COM1Communication
error handling
0
0
Warn and call to stop
1
No warning and keep running
07-25
P.810
PU Communication
protocol selection
1
0
Modbus protocol
1
Eaton protocol
2
PLC protocol (Effective when using the Eaton built-in PLC)
07-26
P.811
PU converter stations
0
0~254
Actual implementation sets is determined by the wiring way and imped-
ance matching.When using the Modbus protocol please its value is set
to non-zero value.
