A&D AD-4405A - Setpoint Comparison; Description of Input Parameters and Outputs

Page 42 AD-4405A Weighing Indicator
10.2. Setpoint Comparison
This function includes the weighing sequence and is used for acquiring a preset
target weight.
Four parameters of "Final", "Preliminary", "Free fall" and "Zero band" are used for
the setpoint comparison.
The result of the sequence is output to the three relays of OP-03, Op-05 or OP-08.
It is not necessary to enter the F-function f22 again unless comparison
conditions are changed.
10.2.1. Description of Input Parameters and Outputs
F22 = 7 (Check weighing 1)
Output and Condition
Relay OK output can be changed to OVER or UNDER by setting f24.
Triangle 2 is not displayed.
OVER/UNDER is judged always and the result is output to the LED and the relay.
F22 = 8 (Check weighing 2)
Output and Condition
OVER/UNDER is judged always and the result is output to the LED but not to the
relay.
Final
Weighing value
Calibrated Zero
Tare
Tared Zero
Zero band
Free fall
Preset target weight
Time
Weighing trace
Relay HI,
1, Net ≧ (Final - Free fall)
Relay LO,
3, Gross ＜ Zero band
ON
ON
ON
OFF
OFF
OFF
Final
Preliminar
y
Weighing value
Calibrated Zero
Tare
Tared Zero
Zero band
Free fall
Preset target weight
Time
Weighing trace
Relay HI, 1, Net ≧ (Final - Free fall)
Relay OK, 2, Net ≧ (Final - Preliminary)
Relay LO, 3, Gross ＜ Zero band
ON
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
10.2. Setpoint Comparison