SLX9000 Adjustable Frequency Drives User Manual
5-22 For more information visit: www.eaton.com
MN04003020E
January 2009
Figure 5-17: Expander Board Information Menu
AI mode
The parameters P6.9.1 and P6.9.2 select the analog input mode. P6.9.1 appears only in
classes MF4 – MF6.
0 = voltage input (par. 6.9.1 default)
1 = current input (par. 6.9.2 default)
Note: Make sure that the jumper selections correspond to the selections of this parameter.
See Figure 4-4.
Modbus Interface
SLX9000 has a built-in Modbus RTU bus interface. The signal level of the interface is in
accordance with the RS-485 standard.
Figure 5-18: Modbus Interface
Protocol: Modbus RTU
Baud rates: 300, 600, 1200, 2400, 4800,
9600, 19200, 38700, 57600 (bit/s)
Signal level: RS-485 (TIA/EIA-485-A)
Input impedance: 2 kΩ
STOP
READY
I/O Term
STOP
READY
I/O Term
RS-485 A
Control TerminalRS-485 Transceiver
RS-485 B
Ter m inal Resistor 120Ω
X7 –> MF2 – MF3
X9 –> MF4 – MF6
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