7-Segment Display Testing; Keypad And Calibration Sw Testing; Display A/D Internal Value Display; Rs-232 Serial Loop Back Testing - Excell EX-2005C User Manual

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5-2-1 7 Segment Display Testing
The display will show

5-2-2 Keypad And Calibration SW Testing

Setting the calibration SW to "ON", or pressing any key will cause the related display
segment to change from

5-2-3 Display A/D Internal Value Display

Display range is 0 ~ 520,000d (-0.1 ~ 4.0 mV/V).

5-2-4 RS-232 Serial Loop Back Testing

Terminal pin 5 and pin 6 must be connected together at the rear of the indicator.
If display shows
If display shows

5-2-5 EEPROM Memory Testing

If the display shows
memory is not working correctly.

5-2-6 IFC Factory Testing (reserved)

5-2-7 RELAY_IO Interface Card Testing

The display shows the indication light of corresponding input pins.
When the input signal and IN_COM is short, the bit indication will change from
press key to shift corresponding output pins and OUT_COM to short status.
Limit
EX-2005C
.
.
~ , then display " " and all of the icons.
→ .
, the interface is working normally.
, the interface is not working normally.
, it means normal. If the display shows
28
, the
→ ,
ZSME300000116