33
5
FUNCTIONS
33
FUNCTIONS
Chapter
5
■
Discharging Mode (Setting Code 23)
Setting/
0: Feed control
1: Discharge control
2: External
3: Communication
The net weight is outputted as inverted in sign. (The direction that decreases the gross weight is
positive.)
Setting to "External" enables feed and discharge control by external control input. (Refer to "- Feed/
Discharge (Level input)" on page 46.)
Setting to "Communication" enables feed and discharge control by the CC-Link interface (option).
(Refer to "About RY (PLC
→
F160) signals" on page .61.)
■
Net Weight Sign Inversion in Discharge Weighing
(Setting Code 29)
When discharging a fixed quantity material from material bin, Net weight becomes negative.
Discharging weight can be revised to positive by reversing the polarity of Net weight.
Setting/
0: Display with the sign inverted
1: Display without inverting the sign
■
Simple Comparison Control and Sequence Control
Simple comparison control
Compares weight value with discharging value regulerly.
Output is always ON when the weight value satisfies the conditions of final discharging setting
items.
In simple comparison control, the next weighing is judged to be possible when the weight falls
short of 25% of the Final after completion of the previous weighing.
Sequence control
This is a control method which compares the weight value with discharging value after starting
signal of weighing ON.
When the starting signal ON, output of each signal of SP1, SP2, and SP3 turns ON then the signal
turns OFF after weight value satisfied the each condition.
Sequential control can be conducted without connecting external PLC in sequence control. For
details, refer to "5-14.Sequence Control" on page 39.
Simple comparison mode/ Sequence mode (Setting code 50)
The control method is selected.
Setting/
0: Simple comparison mode
1: Sequence mode
Содержание F160
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