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A.9.11. Test Digital Inputs
The next screen is used to check the digital input circuitry. The display shows a
1 if the specific input is closed, 0 if open. If more digital I/O boards are
installed, the NEXT soft key appears, allowing the operator to scroll between
boards. Slots are numbered 1-3; slot 0 is the motherboard.
- TEST SCROLL 3 -
Dig input test
Slot#0 ----00--
NEXT
‘Digit’ (displayed instead of ‘slot#’) identifies the four Digitizer’s inputs. Inputs
are shown from left to right. If a board has 16 inputs, two screens are used to
show the first and the second half, the lower half is shown first.
A.9.12. Test Digital Outputs
This test shows the status of each digital output and allows the operator to force
the output for testing purposes. The output, when forced, stays on until the
CLEAR soft key is pressed or the Run Menu is entered. If an output is forced
and the scroll key is used for reaching some other menu, the output stays in the
forced status until RUN is pressed. This allows the operator to check inputs
while outputs are still in the forced status.
- TEST SCROLL 4 -
Dig output test
output # 1 : ON/OFF
ENTER ON/OFF
Password: Service
To force an output, enter the desired number followed by ENTER. Then use
the ON/OFF key to force it to the ON or OFF status. After the output has been
forced, the CLEAR soft key appears in the middle position.
Slots are numbered 1-3; slot 0 is the motherboard.
WARNING
FORCING THE DIGITAL OUTPUTS MAY CAUSE
MACHINERY TO START. AFTER THE USER
TRIES TO FOURCE AN OUTPUT, THE
FOLLOWING MESSAGE DISPLAYS.
A-46 Weighbridge Physical Parameters Thermo Fisher Scientific
REC 4175 Rev B