Thermo Scientific Oretronic III, Operating & Service Manual

Page: 59 / 152

Operating the TMD
Thermo Fisher Scientific Operating the TMD 3-13
REC-4105 Rev L
the number, the more gradual the slope. The smaller the number, the
steeper the slope. This screen is for display purposes only.
This screen is used to select the noise filter used on the TMD. There are
three filters to choose from. Higher-numbered filters provide more
sensitivity to tramp metal, but filter less electrical noise. The display
shows FILTER. The counter shows the filter number from 0 to 3.
This screen is used to specify the operating frequency of the TMD. The
display shows OP FREQ. The counter shows one of the following
settings from 0 to 3:
• 0 = 900 Hz
• 1 = 780 Hz
• 2 = 660 Hz
• 3 = 1020 Hz
The usual setting is 0 (900 Hz).
This screen indicates whether the TMD system supports a remote front
panel connected to the control unit. The display shows REMOTE?Y or
REMOTE?N.
This screen indicates whether the system is controlled by a PLC
connected to the control unit over a serial communications line. The
display shows MODBUS?Y or MODBUS?N.
If the TMD is controlled over a Modbus line (MODBUS?Y), the next
screen in the scroll is ADDRESS. The counter shows the Modbus
address of the control unit from 0 to 255. The next screen in the scroll is
BAUD. The counter shows the baud rate of the serial line from 600 to
19200.
These screens allow you to view the settings of the DIP Switches on the
display board (refer to Section “DIP Switch Settings”)
The display shows the switches in the following order. The
corresponding setting (ON or OFF) is shown in the counter. Press the
down SCROLL key to move through the displays.
• Password protection (PSWD PRT)
• Speed sensor input (SPEED)
• Sync input (SYNC)
• Belt direction (BELT REV)
• Measure units (ENGLISH/METRIC)
Filter
Operating Frequency
Remote Front Panel
Modbus
Communications
Switch Settings