Mitsubishi L Series User Manual

115
CHAPTER 8 FUNCTIONS
8
8.15 Flow Amount Integration Function
When the flow meter connected to the A/D converter module output the instantaneous flow amount (range:
cm
3
/min) in analog at intervals of 500ms
• "Integration cycle setting": 500ms
• "Flow amount time unit setting": "1: /min"
• "Unit scaling setting": "2: × 100"
• Value in CH Scaling value (digital operation value) (Un\G54 to Un\G57) when integral processing is
performed: 5000
• Previous amount: 11000 (Maintained amount inside the A/D converter module: 11000.127)
The following formulation shows the integrated flow amount with the above settings.
"15166" acquired by rounding off the value after the decimal point is stored in CH Integrated flow amount
(Un\G1332 to Un\G1339).
(5) Flow amount integration temporary stop
The flow amount integration can be stopped temporarily through a program. Flow amount integration function can
be temporarily stopped by changing the value of CH Flow amount integration temporary stop request
(Un\G1356 to Un\G1359) during its operation. CH Flow amount integration temporary stop request (Un\G1356
to Un\G1359) operates only when the flow amount integration function is enabled.
(a) Operation procedure to stop the flow amount integration temporarily
1. While the flow amount integration function is operating, change the CH Flow amount integration
temporary stop request (Un\G1356 to Un\G1359) of the channel to be stopped temporarily No
request (0) → Temporary stop request (1).
2. When the rise of No request (0) → Temporary stop request (1) is detected, the flow amount
integration function is temporarily stopped, and CH Flow amount integration temporary stop flag
(Un\G1364 to Un\G1367) of the corresponding channel turns Temporarily stopped (1).
(b) Operation procedure to restart the flow amount integration (to cancel temporary
stop)
1. While the flow amount integration function is temporarily stopped, change the CH Flow amount
integration temporary stop request (Un\G1356 to Un\G1359) of the stopped channel Temporary
stop request (1) → No request (0).
2. When the fall of Temporary stop request (1) → No request (0) is detected, the flow amount
integration function is restarted, and CH Flow amount integration temporary stop flag (Un\G1364
to Un\G1367) of the corresponding channel turns No temporary stop request (0).
Ex.
Integrated flow amount =
=
(Instantaneous flow amount Unit scaling) Previous amount
T
+
(5000 100) 11000.127
60000
500
+
=
4166.666 + 11000.127
=
15166.7936
T

Mitsubishi L Series Specifications

General

Brand	Mitsubishi
Model	L Series
Category	Engine
Language	English