Flowserve DFP17 - Manual (Page 24)

24 DataFlo Digital Electronic Positioner DFP17 Installation, Operation and Maintenance Instructions WCAIM2037
NOTE: If you are not using the RS-485 converter that is shown above, then refer to the documentation
that came with your converter for proper connections.
Flow Control
Worcester Actuation Systems
ICS
Model 485F9 (9 pin)
or 485F (25 pin)
485 Converter
1.5K
1.5K
PWR SUPPLY + 9VDC
PWR SUPPLY GND
TB2
TB2
Receive -
Receive +
Wht/Blk
Purple
Internal External
Actuator Terminal
Strip
(SHIELD)
(NO CONNECTION) EN\
GND
TX
TX\
RX\
RX
GND
VDC
Sample RS-485 Connection
Positioner Board
1 9
8 2
Figure 8