26 point with the connection transformation adapter 16 type 1 point input CC-Link unit to install the special connection transformation adapterAvailable network: Profibus-DP.
Function: Master station.
The A1SJ71PB96F and A1SJ71PB92D modules allow a PLC ANS to connect to the Profibus system,
Meet the CE standard, using SWOIX/ProfiMap special programming software A970GOT-TBD Hardware Manual A970GOT-TBD User's Manual A970GOT-TBD
A1SJ71PB96F compatible with Profibus-FMS, as a master or client;
A1SJ71PB92D compatible with Profibus-DP, can be used as a master to control the remote Profibus-DP I/O. SI-200/250 fiber optic cable.
Double loop.
MELSECNET (II) (remote I/O station).
According to the control requirements of the system, using the appropriate design method to design MITSUBISHI PLC program A970GOT-TBD Hardware Manual A970GOT-TBD User's Manual.
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 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 A970GOT-TBD Hardware Manual A970GOT-TBD User's Manual.
The main contents of the initialization program are: 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.. Input and output points: 2048 points.
Input / output data points: 2048 points.
Program capacity: 30K.
Basic command processing speed (LD command) s:0.15.
Optical data communication line function (GI cable).
Integral type: the PLC components are installed together or a few pieces of printed circuit board,
And together with the power supply installed in the casing to form a single overall called the host or the basic unit, small, ultra small PLC using this structure.
Modular: PLC is the basic components of a separate module.
Medium and large PLC used this way. Easy maintenance.
Each scanning process. Focus on the input signal sampling. Focus on the output signal to refresh.
Input refresh process. When the input port is closed,
Program in the implementation phase, the input end of a new state, the new state can not be read.
Only when the program is scanned, the new state is read.
A scan cycle is divided into the input sample, the program execution, the output refresh.
The contents of the component image register are changed with the change of the execution of the program.
The length of the scan cycle is determined by the three.
CPU the speed of executing instructions.
Time of instruction.
Instruction count.
Due to the adoption of centralized sampling.
Centralized output mode.
There exist input / output hysteresis phenomena, i.e., the input / output response delay.
User program storage capacity: it is a measure of how much the user applicatiion can store the number of indicators A970GOT-TBD Hardware Manual A970GOT-TBD User's Manual.
Usually in words or K words as units. 16 bit binary number is a word,
Every 1024 words are 1K words. PLC to store instructions and data in words.
General llogical operation instructions each account for 1 words A970GOT-TBD Hardware Manual A970GOT-TBD User's Manual. Timer / counter,
Shift instruction accounted for 2 words. Data operation instructions for 2~4.