Electrical Installation - General Measure CW-3K User Manual

2.3

Electrical installation

The power supply is inserted into the three-hole socket with ground or connected to
the power supply equipment such as the electric gas cabinet according to the line mark.
1． Any wiring and disconnecting operation can only be carried out after power off.
After the operation is completed, check before power on.
2.The serial port is fixed to RS485 communication, where the 485(A) pair should be
connected to 485(A) or 485(+), and the 485(B) pair should be connected to 485(B) or
485(-).
3.The switching quantity input point is valid at low level (DC0V) and does not allow
access to high voltage or alternating current.
4.Switching quantity output point access relay coil for intermediate control, so the other
end of the relay can access DC or AC power supply switching quantity.
Figure 2-2 Control panel of weighing scale
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CW-3K user's manual