Worcester actuation systems, Sample rs-485 connection – Flowserve DFC17 User Manual

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WCAIM2026

DataFlo Digital Electronic Controller DFC17 Installation, Operation and Maintenance Instructions

Flow Control Division

Worcester Actuation Systems

Figure 4 – 24 VDC DFC17 Circuit Board Wiring

Figure 5

ICS

Model 485F9 (9 pin)

or 485F (25 pin)

485 Converter

1.5K

PWR SUPPLY +9 VDC

PWR SUPPLY GND

TB2

Receive -

Receive +

Wht/Blk

Purple

Internal

External

Actuator Terminal

Strip

(SHIELD)

(NO CONNECTION)

EN\

GND

TX\

RX\

GND

VDC

Sample RS-485 Connection

Controller Board

NOTE: If you are not using the RS-485 converter as shown in Figure 5, then refer to the documentation that came with your converter for proper
connections.