Cooper Instruments & Systems DFI 250X Digital Weight Indicator - Manual (Page 6)

CF 146 4 V- Rev. 1.0 - 003R-620-100
6.3 Load Cell Connection
The instrument may be connected for either 4-wire or 6-wire operation. For more information, refer to
BUILD:CABLE setting section 7.6.
6.3.1 4-Wire Connection
The minimum connectivity requirements are the connection of four wires (i.e. Excitation + and – along with Signal +
and –).
The BUILD:CABLE option must be set to 4 to allow for 4-wire connection.
6.3.2 6-Wire Connection
The excitation and signal lines are connected the same as for a 4-wire installation.
The BUILD:CABLE option must be set to 6 (the default) to allow for 6-wire connection.
6.4 Auxiliary Connections
This section provides diagrams to illustrate the terminal connections.
6.4.1 Direct Personal Computer Link (RXD, TXD, GND)
RS-232 - Instrument to PC using COM Port (DB9)