ace plc

Ace construction (VC ++ 6.0 environment) Ace construction in Windows1.Extract ace-5.5.zip to the required installation directory. Here, E: \ is used as an example to decompress the package and form the ace_wrappers folder. Therefore, Ace will exist in the ace_wrappers \ ACE

Document directory 1. There are no monographs on ACE except for the three books written by Douglas Schmidt and Stephen Huston. 2. ACE is very difficult to use and is very easy to use with errors 3. ACE code quality is not high. It is more like a research project than an industrial product. 5. ACE is too complex,

the event action when the event occurs and disappears, through the event trigger condition, can open the picture, play the sound, execute the *.exe executable program and set the variable value, etc.2.5 Real-time databaseThe user specifies the data storage method, which can be stored in the database by timing, conditional expression and rate of change.2.6 Control StrategyWith FBD61499 graphical programming, users can complete advanced complex control with simple drag-and-drop and wiring. Input

The timers in the PLC are placed in a specific PRG task unit, and the PRG unit needs to be placed in a specific periodic cycle task in order to be executed, and this cycle cycle task cycle T; The timing time of the timer T0; T and T0 The order of magnitude, or size determines the accuracy of the timer.Ttest:ton;Uicount:uint;TTest (in: = Not ttest.q, PT: = t#2s);IF TTEST.Q ThenUicount: = uicount+10;End_ifSituation one: T0 > > t (Timer T0 (seconds) time

Double-click Plctask, and then cycle ticks to modify the PLC scan cycle, for example, modified to 2ms?In order to verify whether it is really 2ms, can be used in the program with the counter binding, PLC2MS scan once, the counter is also increased by 0.002 per cycle, so you can see whether the time is one second of the increase.?In TC2, you need to switch to the task configuration and then navigate to a task (default is standard only), and then modify

PLC Ladder diagram Programming exercise Traffic light ControlWhen the SW2 is off, it is easy to turn the traffic lights on and off, but when the SW2 is turned on (ie into the night mode), the red and green lights are not lit when the simulation is added.I guess the reason is that the ladder control of the one by one corresponding principle in the night mode to join the ladder after the problem, I did not find out the specific problem, did not th

PLC Ladder diagram Programming exercise Traffic light ControlWhen the SW2 is off, it is easy to turn the traffic lights on and off, but when the SW2 is turned on (ie into the night mode), the red and green lights are not lit when the simulation is added.I guess the reason is that the ladder control of the one by one corresponding principle in the night mode to join the ladder after the problem, I did not find out the specific problem, did not th

PLC Ladder diagram Programming exercise Traffic light Control ?Update: Ladder diagram in the introduction of auxiliary relays, the lamp does not light the problem has been resolved, and I also found that the original ladder diagram can not achieve the counter power-off reset, and the original ladder to test the convenience of not strictly in accordance with the practice requirements set timing time, the new version of the ladder to make improv

Serial initializationD8120 Description:※ According to MD320 Communication protocol, no frame head and frame tail, then (BIT9,BIT8) = (0,0).※BIT13~15 is a set item when a computer is linked to a communication, it must be set to 0 when using the RS command.※RS485 does not consider the method of setting the control line, when using FX2N-485-BD, FX0N-485ADP, (bit11,bit10) = (in).※ If the communication parameters between the PLC and the inverter are as fol

The engine set consists of 1 petrol engines and 1 diesel engines, which is required to control the engine group with PLC, so that the speed of each engine is stabilized at the set speed, and the starting and delay of the cooling fan are controlled. Each engine is set with a Start button and a Stop button.The program is as follows:1. Program Module2. Symbol table3. Fan Control Program4. Starter Control5. Start the UnitNote: 1) Complete a local instance

The FB block can be called multiple times by the OB1, and all parameters and static data of the function are stored in a separate data block (DB) that is assigned to the function block, which is referred to as the background data block. When the FB is called, the background data block is automatically opened, the value of the actual parameter is stored in the background data block, and when the block exits, the data in the background data block remains.Below through the case design introduction

, word, and doubleword) A> byte (B): the continuous 8-bit binary number starting from 0 is called a byte. B> word (W): two adjacent bytes constitute the length of a word. C> double-character (DW): the adjacent four bytes constitute the length of a double-character. D> storage features of long and double-character data: high storage is low in bytes, and its position is high in bytes. 6. Negative (signed number) Representation A> negative expression: PLC