Download QD51(-R24)

1 OVERVIEW
MELSEC-Q
1 OVERVIEW
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This manual explains concerning the system configuration, performance specifications
and functions of the QD51 / QD51-R24 Intelligent Communications Module.
The QD51 (-R24) has the following functions.
(1) Functions by BASIC Programs
• Sub-CPU Function
Complex numerical calculations and function calculations can be made with a
BASIC program.
• Monitor Display Function
It can display production conditions, the operating status the contents of a
breakdown, etc.
• Key Input Function
The production schedule, production count, operation, setting data, etc. can be
input.
• Printer Function
Production plans, results, daily schedules, breakdown contents, planning data,
inspection results and test performance, etc. can be printed out.
• Data Input Function
Data input can be accomplished from a bar code reader or magnetic card
reader, etc.
• External Device Connection Function
A computer, etc. can be connected to the RS-232, RS-422/485 interfaces and
data can be sent and received through a BASIC program.
• Clock Function
Clock data held by the PLC CPU can be read and written.
(2) Offline Programming Function
BASIC programs can be created, corrected, stored to; user FD and printed out
independently by peripheral devices.
(3) Online Programming Function
BASIC programs can be created, run, and corrected from the console.
(4) Multitasking Debugging Function
BASIC programs can be debugged while they are being run.
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