Salter Brecknell RD Series - Manual (Page 5)

3. Automatic setup – RS-485
RD-4 remote display, apply the jumpers to JP3 and JP4, leave JP1, JP2 and JP5 open.
RD-2 remote display – apply jumpers to JP3, JP4, and JP5. Leave JP1, JP2 and JP6 open.
Connect the cable as shown below to J3.
Power down the RD Series Remote Display. Remove the two screws holding the setup switch
cover located on the center of the back cover. Slide the switch to the left position for setup. Power
up the RD Series Remote Display. Power up your digital indicator. The RD Series Remote
Display will begin cycling through the possible combinations of baud rate, bits and parity. When
the configuration from your indicator is found, the RD Series Remote Display will show SET and
begin to operate. Slide the configuration switch to the right position and replace the cover and two
screws. Attach the rear cover.
RD-4- 4” remote RS485 connections
RD-4- 2” remote RS485 connections