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A.9.15. Test Communication A
The following screen allows checking the installed serial lines using a loop back
type test. The maximum line number is 2; Transmit must be tied to receive for
this test. "Port 1" is standard and "Port 2" is shown only if optional Comm
boards are detected.
- TEST SCROLL 8 -
Test Communication A
Port 1 Port 2
By pressing the PORT 1 or the PORT 2 soft key, the test is initiated. A test
pattern is sent out on the TX output and read on the RX input. If the test fails,
the message "Test Failed" is shown; otherwise, the message "Test Passed" is
displayed.
A.9.15.1 Test RS232
To test RS232 the test requires a hardware jumper to be installed between
terminals TB3-22 (RX) and TB3-21 (TX).
A.9.15.2 Test RS485
To test the RS485 the test requires a hardware jumper to be installed between
terminals TB3-21 and TB3-28 to TB3-20 and TB3-29.
A.9.16. Test Communication B
This test is similar to the previous one but works for the field bus version of the
communication board.
- TEST SCROLL 9 -
Test communication B
START
A.9.17. Test BCD Input Board
If an optional BCD input card is detected, the following screen appears. The test
is similar to the digital input test.
- TEST SCROLL 10 -
BCD Input test
0000
Password: Service
A-48 Weighbridge Physical Parameters Thermo Fisher Scientific
REC 4175 Rev B