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MELSEC-Q
4 ABOUT QD51 (-R24) FUNCTIONS
4
4 ABOUT QD51 (-R24) FUNCTIONS
Here, the functions possessed by the QD51 (-R24) are explained.
4.1 List of Functions
A list of QD51 (-R24) functions is shown below.
Item Content
Reference
Sub-CPU Function
Complex numerical calculations and function calculations which
would lengthen the programmable controller CPU' s scan time
can be calculated by a BASIC program.
• Collection, analysis and correction of measurement data
• Function calculations such as Sine, Log and square roots, etc.
Refer to the Programming
Manual (Commands).
Monitor Display
Function
This displays the operating status (production conditions, running
status, breakdown contents, etc.) in a console or terminal
connected to the QD51 (-R24).
Section 4.2
Key Input Function
This carries out input of production schedules, production
quantity, operations, setting data, etc. from the keyboard of a
console or terminal connected to the QD51 (-R24).
Section 4.2
Printer Function
This prints out production plans, results, daily reports,
breakdown contents, planning data, inspection results, test
results charts, etc with a printer connected to the QD51 (-R24).
Section 4.3
Data Input Function
This enables input of data from a bar code reader or magnetic
card reader, etc. that is connected to the QD51 (-R24).
(Since sending and receiving can be done in a free format
through a BASIC program, it is possible for the QD51 (-R24) to
match the protocols of the opposite device.)
• Input of production lot No., product name, quantity, etc.
• Collection of measured values, test data.
External Device
Connection Function
This connects with a computer, etc. to the RS-232 or RS-
422/485 interface of the QD51 (-R24) and sends and receives
data through a BASIC program.
Section 4.4
Functions by BASIC
programs
Clock Function
This writes and reads programmable controller CPU clock data
(year, month, day, hour, minute, second, day of week) for
programmable controller CPU's with the clock function.
Section 4.7
Online Programming Function
This creates executes and corrects BASIC programs through
system commands by connecting a console to the QD51 (-R24).
It also records programs run by system commands in Flash
ROM and reads them.
Multitask Debugging Function
This carries out debugging while running BASIC programs by
multitasking, by connecting a console and debugger to the QD51
(-R24).
Refer to the AD51H-
BASIC Programming
Manual (Debug and
Compile).
Содержание QD51
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