Connection For F7 Inverter Memobus Communication - Omron PROFIBUS DP GATEWAY Operation Manual

Wiring the RS-422A / RS-485 Devices
2-3-8

Connection for F7 Inverter Memobus Communication

RS-422A Connection to F7
Inverter
PRT1-SCU11
RS-485 Interface
RS-485
R-
R+
S-
S+
FG
RS-485 Signal
A (2)
B (2)
A (1)
B (1)
Note The E5AK/E5EK supports baud rates of 9.6, and 19.2 kbits/sec. Ensure that
the PRT1-SCU11 baud rate setting (DIP-switch 1 and 2) is set correctly.
The F7 Inverter use the Memobus communications over either 4-wire RS-
422A or 2-wire RS-485.
The RS-422A connection can be either one-to-one or one-to-N. Up to 15 F7
Inverter units can be connected in a one-to-N system.
The figure below shows the connection between one PRT1-SCU11 and 1 to
15 F7 Inverter units. Refer to the F7 Inverter User Manual for more information
on Wiring.
PRT1-SCU11
RS-422 Interface
RS-422
R-
R+
S-
S+
FG
E5AK / E5EK (1)
(See table below)
Terminator
220
RS-485
A (2)
B (2)
A (1)
B (1)
E5AK Pin number
32
31
19
20
RS-422
Terminator
220 , 1/2W
S-
S+
R-
R+
Section 2-3
E5AK / E5EK (15)
(See table below)
, 1/2W
RS-485
A (2)
B (2)
A (1)
B (1)
E5EK Pin number
22
21
19
20
RS-422
S-
S+
R-
R+
29