plc program
This article describes an artistic lantern shape PLC ladder programming and wiring experiment described, as follows:1. Project the necessary equipment, tools, materialsPLC: FX2N-32MR 2, the training content:1, project descriptionThe shape of an art lantern demonstration board as shown in Figure 6, A, B, C, D, E, F, G, H for the eight lights, a ring … Continue reading Art lantern shape PLC Ladder programming and wiring experiment
Delay ON / OFF circuit
Flashing circuit
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Special flags to provide users with some special control function and system information, user's special requirements of operations also SM notification system. Special flag is divided into read-only and read-write in two parts. Read-only special flag, users can use their contacts, such as: SM0.0 RUN control, PLC in RUN State, SM0.0 is 1. SM0.1 initializes the pulse, … Continue reading Siemens PLC 200 special sign bits (SM)
A) digital input and output image area1. Enter mapping registers (digital input image areas) (I)Digital input image is S7-200CPU for the input signal state opened up a store. Register identifier for the input image I, at the beginning of each scan cycle, CPU to sample the input points and registers the sample values in the … Continue reading S7-200 PLC Data area
MMC card is the new Siemens PLC program, data storage, and present several PLC should be used for the following products:Order product name6ES7 314-1AF10-0AB0 new CPU 3146ES7 new CPU 315-2AG10-0AB0 315-2DP6ES7 312-5BD00-0AB0 CPU 312C6ES7 313-5BE00-0AB0 CPU 313C6ES7 313-6CE00-0AB0 CPU 313C-2DP6ES7 313-6BE00-0AB0 CPU 313C-2PTP6ES7 314-6CF00-0AB0 CPU 314C-2DP6ES7 314-6BF00-0AB0 CPU 314C-2PTP6ES7 613-1CA00-0AE3 C7 6136ES7 635-2EC00-0AE3 C7 635 … Continue reading Siemens new PLC program, data storage cards
1, switch 6 on/off button to divide the table into two States unipolar/bipolar two full scale input. SW6=ON, select the unipolar; SW6=OFF, select dual polarity.2, switches 4 and 5 Select gain. SW4 and SW5 3 combinations, namely SW4=ON,SW5=OFF;SW4= OFF,SW5=ON;SW4= OFF,SW5=OFF. A case study of unipolar, when SW4=ON,SW5=OFF, full scale input 0 to 50mV,0 to 100mV … Continue reading EM235 module DIP switches selection
Analog input/output universal conversion formula you can use the following conversion:Ov = [(Osh - Osl)*(Iv - Isl)/(Ish - Isl)] + OslOf which:Ov: conversion resultsIv: conversion objectsOsh: conversion result limitOsl: conversion results lower limitIsh: conversion limitIsl: conversion of lower limitSTEP 7-Micro/WIN Programming Tips (Micro/WIN programming skills) Tip38 about how to achieve the conversion routines.For convenience of … Continue reading Siemens 200 PLC analog input/output
PLC ONE 