Cabling Diagram; Error Codes - Citizen CX 301 Operating Manual

• For connecting a computer or other peripheral device to the balance using the RS-232 protocol and cables up to 15m (50 ft.) long.
Balance
DB 9 Female Connector
Display

9.3 Cabling Diagram

TxD
3
Gnd
5
2
RxD

10. Error Codes

Cause
Overload
Under load
Weight set is to low for storing any reference at PCS,
%, Custom Unit or Check Weighing.
While calibrating the scale, the load on the pan is
more than 10% of the capacity. (During power on
of the scale.)
Calibration
• User does not keep any weight on the pan within
60 second.
• Weight load on the pan is not within the tolerance
limit.
GLP is ON and user tries to enter in to the User Menu
before the footer is printed.
Calibration
Display shows any weight other than 0.00 and user
tries to Calibrate the balance
Incorrect value of TIME or DATE.
RS-232
RxD
Gnd
TxD
111
Solution
Remove excess weight from the weighing pan.
• Keep weighing Pan on Weighing Shaft.
Increase weight on the pan.
Switch OFF the Balance and Switch ON again
without any load on the pan.
• Add the calibration weight on the pan when
• Calibrate with the exact Calibration Weight.
Print the footer first, by pressing <CANCEL> key, and
then access the USER MENU.
Tare the balance or enter Calibration procedure
when "0.00 g" is displayed.
Enter proper value of TIME or DATE.
112
Peripheral Device
e.g. Computer or Printer
2
5
3
Check whether weighing pan is positioned
properly.
demanded by the balance