DW800/820 Operation Manual
Pin Name Description
1 +EX + Excitation voltage (+10 VDC)
2 +SN(+EX2) + Sense line
3 +SG + Signal line
4 -SG - Signal line
5 -SN(-EX2) - Sense line
6 -EX - Excitation voltage (GND)
7 SHD Shield
8 +SG2 Do not connect
9 -SG2 Do not connect
The load cell interface connector is “P4” on the circuit board,
located in the lower left hand corner.
Connecting External Power Supply
NEMA 1 enclosures are supplied with a transformer power supply, which plugs into the wall.
Power Required – 117 VAC +/- 10 VAC, 60 Hz
NEMA 12 and NEMA 4 enclosures are supplied with a 6’ power cord with a standard 3-prong
connector.
Power Required – 117 VAC +/- 10 VAC, 60 Hz.
Desk enclosures are supplied with a transformer power supply, which plugs into the back of
the instrument and the transformer plugs into the wall.
Power Required – 117 VAC +/- 10 VAC, 60 Hz
Mounting brackets are supplied with a NEMA 1 standard and NEMA 4 stainless steel
enclosures.
(See diagram on the next page for proper positioning)
INSTALLATION
Page 2
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Revision 4.3 Copyright ©2004 Sterling Scale Co., Inc. May 2004
Web Site: www.sterlingscale.com E-mail: sales@sterlingscale.com
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