MAS 640 Instruction Manual Rev. 0A
3. Putting Into Operation
3.1. Opening the Instrument
WARNING!
Before opening the instrument disconnect the power cord from the power supply.
To open the instrument unscrew the 8 screws from the back and lift the cover.
3.2. Connecting a Weighing Platform
●
Insert the weighing platform cable into the instrument through the cable gland
●
Connect the weighing platform cable to J3 terminal according to the
table below.
Pin
1
2
3
4
5
6
Assignment
SIG+
SIG-
EXC+
EXC-
REF+
REF-
Note:
For 4 wire loadcells J1 and J2 pads should be solder bridged or Ref+ and Ref- shoud be connected to EX+
and EX- respectively.
Figure 2: Location of J3 terminal on the digital module inside the instrument.
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