Salter Brecknell RD Series Parts list manual

Remote Display
RD-2/RD-4
Revision 1.1
March 11 2003
Contents subject to change without notice.
Salter Brecknell Weighing Products
1000 Armstrong Drive
Fairmont, MN 56031
Tel (800) 637-0529
Tel (507) 238-8702
Fax (507) 238-8271
E-mail: sales@salterbrecknell.com
Web: www.salterbrecknell.com

Electromagnetic Compatibility Statement for North America
This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions manual, may cause harmful interference to
radio communications. Operation of this equipment in a residential area is likely to cause harmful
interference in which case the user will be required to correct the interference at his/her own
expense.

The RD Series Remote Displays currently consist of two size LED displays:
RD-2 2 1/2” High LED display
RD-4 4” High LED display
The RD Series Remote displays are housed in a NEMA 4X stainless steel enclosure. A wall
mount bracket and sun-shade are standard.
SETUP
Setup is very easy and can be configured automatically or manually.
1. Automatic setup – RS-232
Set the output from your digital indicator to continuous and have one of the following serial
protocols set in the indicator:
BAUD RATE BITS/PARITY BITS/PARITY
1200 8, N 7, Odd or even
2400 8, N 7, Odd or even
4800 8, N 7, Odd or even
9600 8, N 7, Odd or even
19200 8, N 7, Odd or even
Remove the back cover. Connect the serial cable to terminal J2.
For 4” remote display insert jumpers on JP1 & JP2. Leave JP3, JP4 and JP5 open.
For 2.5” remote display insert jumpers on JP1 & JP2. Leave JP3, JP4, JP5 and JP6 open.
RD-4 -4” remote RS232 connections

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.
2. Manual setup – Applies to RS232, RS0485 and Current Loop
If you want to set the baud rate/bits/parity manually in the RD Series Remote Display, power
down the unit. 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. Watch the display begin cycling through the possible combinations of baud rate, bits and
parity. Wait until the desired baud rate and bit/parity combination is displayed. Immediately power
down the remote display to capture those settings. Slide the configuration switch to the right
position and replace the cover and two screws. Connect your indicator as shown above. Power
up the indicator and make sure it is operating properly and displaying weight. Power up the RD
Series Remote Display. Both your indicator and the remote display should be operating properly.
If not, retry the procedure or try the automatic procedure as outlined above.
RD-2 2” remote RS232 connections

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

4. Automatic setup – CURRENT LOOP
RD-4 remote display, jump JP5 and leave JP1 – JP4 open.
RD-2 remote display jump JP6 and leave JP1 – JP5 open. Cable connects 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 Current Loop connections
RD-2- 2” remote Current Loop connections

SPECIFICATIONS:
POWER CONSUMPTION
Max – 910 mA (all segments on)
Typ – 300 mA
Min – 100 mA (all segments off)
ENVIRONMENTAL
Operating Temperature –10°to +40°C
Storage Temperature -25°to +70°C
Dimensions:
This manual suits for next models
2
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