Oval EL1810 - Block Diagram

E-215-7-E
16
7. BLOCK DIAGRAM
LCD 2 Disp. (batch reading 8-digit) LCD 1 Disp. (batch setting 6-digit)
Power to generator Flowrate signal input Remote control input Power
1,3
4,5 9,10 21,22 11 to 16
2
17,18,19
20
6,7
24V 13.5V START RESET STOP 85 to 264VDC 50/60Hz
Power to
generator
Wave-
shape
Regulated
Voltage
source
Power to
generator
Freq.
divide
Freq.
divide
One-shot
multivibrator
1ms or
50ms
Batching
microprocessor
6-digit
Batch counter
8-digit
Total counter
Scaler
Front-panel
control keys
Display boardPower board Output board
Non-contact
relay
Non-contact
relay
Relay Relay
Output to external total counter TC Non-contact relay output Form “a” contact
End-of-batch output END Non-contact relay output Form “a” contact
Alarm output ALM Relay contact output Form “a” contact (missing pulse, overshoot, param. error)
Valve control signals SV, MV Relay output Form “c” contact, one set each
NOTES
Missing
pulse alarm
Overmeasure
alarm
Com-
pare
Batch setting Initial setting Final setting
6-digit
0 to 999 counts 0: No setting Default: 80 counts
Toggle
switch
RUN ⇔ SET RUN: Run mode SET : Setup mode
Buzzer
Counter
About A 0 to 15 sec. 0: No alarm Default: 10 sec.
About B 0 to 99 counts 0: No alarm Std.: 10 counts