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B
8.2.1
Modbus RTU
The EFOY Pro fuel cell enables a MODBUS RTU communication via the RS-
232 or RS485 data interface.
Following parameters are set for the MODBUS RTU protocol:
Baud rate: 9600
Data bits: 8
Party: Even Parity
Stop bits: 1
Display in Operating panel OP2: 9600 8,E,1
The parameters can be changed on demand via Operating panel OP2, PC
or Laptop.
Page 78
Data Interface and Optional Accessories
B.
Data interface back side
Data interface: RS485
The description for the data interface can be
found in chapter 3.2 "Connections" on page 15.
1.
Press and hold [ok] and [menu] at the same
time for 2 seconds. The expert menu appears.
2.
Press [] to select a submenu
"Communication" and press [ok] to access.
- RS232 (Data interface front side, factory
settings)
- RS485 (Data interface back side)
3.
Select the required data interface and press
[ok] to select.
INFO :
Only the activated interface is ready for
use. The deactivated interface is without
function
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