plc program
PLC ladder, made to enter an inverted trapezoid, which is to complex, simple post, here is an inverted trapezoid diagram: The output is made positive trapezoid that briefly after complex. Writing good ladder, we must follow the above principles, the review does not meet the changes. First, draw the conventional logic circuit diagram, and then facing compile … Continue reading plc ladder switch tricks
Save power by PV PRV read to D, use INI instruction change PV power function, the D area data assignment back to PV. (Note: After the power failure, to ensure that the encoder does not rotate, otherwise the amount of rotation of the pulse will be lost).To maintain the high-speed counter 0 PV value
Omron PLC high-speed counting the number of reset mode, choose Z signal + software reset and soft reset in two ways. 1. Z signal + software reset mode High-speed counter reset flag is ON state, Z-phase signal and reset input OFF → ON time by the high-speed counter current value is reset. The case of … Continue reading Omron PLC high-speed counter reset method
Suppose the computer network card IP address: 192.168.59.54.① Setting CJ1W / CS1W-ETN21 module NODE number: NODE = 0 × 161 +3 × 160 = 3② Set module parameters:CX-Programmer software through the serial port and the PLC online, PLC switch to programming mode, double-click the IO tables and unit settings, select the option to create a drop-down … Continue reading How to use the CX-Programmer software and CJ1W / CS1W-ETN21 module communication?
Simultaneous use of multiple CMP, each CMP instruction behind the state flag is refreshed immediately, so will not affect each other, it can be connected to the output of the coil to hold CMP flag.
Condition: The transmitter output signal is 0-10V, corresponding to a pressure of 0-400MPa; CP1H analog input range is set to 0-10V, resolution selection 6000.Objective: Use the SCL instruction converts the analog data obtained 0-6000 (BIN) to the corresponding scaling 0-400MPa (BCD) display output.Results: after the program execution can be achieved 0-6000 (BIN) to convert 0-400 (BCD) … Continue reading SCL instruction – Omron PLC ladder
DC two-wire type: Brown line PLC input point com PLC received positive power supply, power negative to the blue line.NPN type: Brown plugged blue Power, black line received a PLC input points, com is connected to a power supply of the PLC. Type NPN is leaking, when an object is detected low level signal output.PNP … Continue reading How do wire OMRON proximity switch and the PLc?
Omron PLC programming software also increases the function block function block preparation software features to IEC61131-3A function block call a ladder exampleThe main purpose is to promote good function block structured programming, function calls; allow complex programs to create less code, more manageable process.A block from the block header and block body compositionPhysique - to … Continue reading Omron PLC programming software to use the function block
By PRV instruction, you can read the frequency of the input pulse, high-speed counter frequency measurement, frequency is measured in Hz, hexadecimal 8-bit output, and can be used only in high-speed counter 0. In addition, also during high-speed counter 0 comparison operation at the same time, measurement frequency. Even in the frequency measurement, nor will … Continue reading Frequency measurement for Omron PLC high-speed counter
PLC ONE 