55
5 Timing Chart for Weighing
55
Timing Chart for Weighing
Chapter
5
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No. Sequence control operation
Checking status
display
Keys for relevant settings
External input signal
to be used
External output
signal to be used
1 Waiting for start signal input
SP1/SP2/SP3 blinks
SP1/SP2/SP3 blinks at medium speed
2 Execution of tare subtraction Tare lights up
Setting mode 2-1:
final and over/under comparison
Tare subtraction
(5 pin)
Sets the compared weight value to zer
o (In the chart, tare subtraction is executed by external input and the NET weight is set to zero.)
3 Start signal ON is input
SP1/SP2/SP3
lights up
Setting mode 5-1: input selection Start (input selection)
Set point 1 (7 pin) ON
Set point 2 (8 pin) ON
Set point 3 (9 pin) ON
4
Input of pause signal ON and
waiting for restart
SP1/SP2/SP3
blinks
Setting mode 5-1: input selection
Setting mode 5-2: output selectio
n
Pause (input selec-
tion)
Set point 1 (7 pin) OFF
Set point 2 (8 pin) OFF
Set point 3 (9 pin) OFF
Output selection:
paused (23 pin) ON
* 1
When the pause signal ON is input, status switches to paused, paused status output turns ON, and set point 1/set point 2/set point 3 turns
OFF.
SP1/SP2/SP3 blinks at low speed
5
Start signal ON input and the
control status after restarting
SP2/SP3 lights up
SP1 goes out
Se
tting mode 5-1: input selection
Setting mode 5-2: output selection
Setting mode 5-3:
restart setting set point 1
Start (input selection)
Set point 1 (7 pin) ON
Set point 2 (8 pin) ON
Set point 3 (9 pin) ON
Output selection:
paused (23 pin) OFF
* 2
During paused status, the operation is restarted when start signal ON is input.
When restarting, returns to the last control output status, after confirming stab
ility.
* 3
The following restrictions apply to each of the control output status when restarting
- Restored with OFF if previous status was OFF
- Set point 1 output is OFF when weight value at restart > (final - set point 1) × restart setting set point 1 when set point 1 is ON.
* 4
Set point 1 output is OFF when compared weight value ≧ final setting value - set point 1 setting value
* In the chart, the OFF condition is met through set point 1 of restart setting.
6
Final - set po
int 2 ≦ net weight
value
SP2 goes out
Setting mode 0-5: set point 2
Setting mode 0-9: final
Setting mode 2-1:
final and over/under comparison
Set point 2 (8 pin)
OFF
* 5
Set point 2 output is OFF when compared weight value ≧ final setting value - set point 2 setting value
7
Operation of the comparison
inhibit timer
Setting mode 1-8:
comparison inhibit time (t1)
8
Final - compensation ≦ net
weight
SP3 goes out
S
etting mode 0-6: compensation
Setting mode 0-9: final
Setting mode 2-1:
final and over/under comparison
Set point 3 (9 pin)
OFF
* 6
Set point 3 output is OFF when compared weight value ≧ final setting value - compensation setting value
9 Operation of the judging timer Setting mode 1-2: judging time (t2)
10
Output of complete signal and
output of judging signal
HOLD lights up
HI, GO or LO lights
up
Setting mode
0-7: over
Setting mode 0-8: under
Setting mode 0-9: final
Setting mode 1-3:
complete output time (t3)
Setting mode 2-1:
final and over/under comparison
Setting mode 2-2:
output selection (22 pin)
Setting mode 2-2:
complete signal output mode
Over (10 pin) ON
Under (11 pin) ON
Output selection: GO
(22 pin) ON
Output selection:
complete (22 pin) ON
* 7
Under is ON when compared weight value < final setting val
ue - under setting value
Over is ON when compared weight value > final setting value + over setting value
GO is ON when final setting value + over setting value ≧ compared weight value ≧ final setting value - under setting value
* 8
The timing of complete signal output depends on setting mode 2-2: complete signal output mode (shown in the chart as 1: after judging
timer elapse.)
The timing of over/unde
r comparison holds the weight value compared at complete ON regardless of setting mode 2-2:over/under compar-
ison mode
11
After complete output timer has
elapsed
HOLD goes out
HI, GO or LO goes
out
Setting mode 1-3:
complete output time (t3)
Setting mode 2-2:
output selection (22 pin)
Over (10 pin) OFF
Under (11 pin) OFF
Output selection: GO
(22 pin) OFF
Output selection:
complete (22 pin) OFF
12
Waiting for
input of start signal
for next weighing
SP1/SP2/SP3
blinks
......