2 channels.
10kpps.
Count input signal: DC5/12/24V.
External input: DC5/12/24V.
Output: DC12/24V, 0.5A.
38 point terminal station.
How to determine the input / output device of MITSUBISHI plc.
According to the control requirements of the system,
All input devices and output devices required for the determination of the system,
To determine the input / output device related to the MITSUBISHI PLC,
To determine the I/O PLC points AJ71LP21 Reference Manual AJ71LP21
Detailed analysis of the process and work characteristics of the controlled object,
To understand the coordination between the controlled object machine, electricity and liquid,
The control requirements of the controlled object for MITSUBISHI PLC control system are put forward,
Determine the control program, to develop a design task book AJ71LP21 Reference Manual. Input type: DC input, positive common end.
Input points: 8 points.
Enter the response time: 10ms the following.
Rated input voltage / current: DC24V/7mA.
Output form: transistor output, leakage type.
Output points: 8 points.
OFF leakage current: 0.1mA.
Output protection function: No.
Rated load voltage / current: DC12V/DC24V/0 AJ71LP21 Reference Manual. 5A.
External connection: 1 line /1 line type.
Type of input and output terminal.
Using 2 pieces of structure of the terminal units, maintenance can be maintained in the same line under the condition of the replacement module MITSUBISHI AJ71LP21 Manual . Optional features of memory card (A/FX compatible).
8MB extended memory.
Applicable models: A985 (-V) /975/970/A960GOT (-B) /A956WGOT. ME-NET interface unit MITSUBISHI AJ71LP21 Manual .
According to the control requirements of the system, using the appropriate design method to design MITSUBISHI PLC program.
Procedures to meet the requirements of system control as the main line,
Write one by one to achieve the control function or the sub task of the program,
Gradually improve the functions specified by the system MITSUBISHI AJ71LP21 Manual .
MITSUBISHI PLC initialization procedure. After MITSUBISHI PLC on power, the general need to do some of the initial operation,
In order to start making necessary preparations, to avoid the wrong operation of the system AJ71LP21 PLC to PLC network.
The main contents of the initialization program arre: to some data area, counter and so on,
Data needed to restore some of the data area,
Set or reset some relays,
For some initial state display, etc AJ71LP21 Reference Manual. .