Digit Display And Led Status Light Diagnosis; Keyboard And Calibration On / Off Switch Diagnosis; Rs-232 Serial Output / Input Interface Diagnosis ( Op-06 ); Bcd Parallel Output Interface Diagnosis ( Op-02 ) - Excell EX-2001 Racer Plus User Instructions

EXCELL PRECISION CO., LTD.
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8-3-1 7 Digit Display and LED Status Light Diagnosis

7 digit display shows
lights turn on and off in order.

8-3-2 Keyboard and Calibration ON / OFF Switch Diagnosis

Switch the calibration switch to "ON", or press any keys and the corresponding digit
goes from

8-3-3 RS-232 Serial Output / Input Interface Diagnosis ( OP-06 )

(1) Short circuit the 2
(2) If connecting to a computer (The communication protocol has to be compatible),
if

8-3-4 BCD Parallel Output Interface Diagnosis ( OP-02 )

(1) The decimal point flashes during the diagnosis.
(2) The program sends out OFF→ON→OFF signals from each of BCD output bit.
(3) If
EX-2001 Plus v1.3
Display
~
→
on the display.
nd
pin and 3
= Working properly
~ can be read, it indicates that the RS-232 is in working order.
is displayed, this indicates that no BCD interface is installed.

Diagnosis Item
7 digits display and LED status lights
Keyboard and calibration ON / OFF switch
OP-06 RS-232 serial output / input interface
OP-02 BCD parallel output interface
OP-03 Analogue current output interface
OP-05 Parallel printer interface
EEPROM memory on main board
OP-08 Control I/O interface
.
, " " And at the same time, the LED status
rd
pin of the SER. OUT. D-SUB 25 pin connector.
37
= Malfunction
SME300000060