Mitsubishi PLC step instructions (STL)
DF DFI ladder diagram
X0 stigende kant er opdaget (OFF → ON), Y0 på kun én scanne cyklus. X1 faldende kanten er fundet (på → OFF), Y1 på kun én scanning cyklus
Ladder Diagram flashing circuit
Three-phase asynchronous motors Reversible Control circuit
S7-300 PLC weighing module Introduction
SIWAREX U weighing module is a compact electronic scales, measuring silo and hopper material level, for monitoring crane loads, load measurement on conveyor belts or industrial elevator, mill overload safety protection. SIWAREX M weighing module is the ability to verify the electronic weighing and dosing unit can be composed of multiple materials weighing system … Continue reading S7-300 PLC weighing module Introduction
S7-300 PLC power module
PS 307 power supply module 120/230 AC voltage into a DC voltage of 24V, for the S7-300 PLC, sensors and actuators. Output current 2A, SA and 10A total of three kinds. Slot Power modules are mounted on DIN rail 1.
S7-300 PLC counter instruction
S7-300 PLC to read or transfer the status word
STW ∥ status word 0 to 8 loaded into the accumulator 1, the accumulator 9 to 31 is cleared T STW ∥ will transfer the contents of accumulator 1 to the status word
S7-300 PLC ladder Block transfer instruction
MOVE command to assign values to variables. MOVE instruction can transmit data with a length of 8, 16 or 32 of all the basic data types. But the transfer of user-defined data types, you must use the system integration function (SFC)
Siemens S7 200 PLC high-speed counter (HC)
High-speed counter for frequencies above scan cycle external signals are counted, using a dedicated high-speed counter terminals of the host to receive these high-speed signals. High-speed counter is a high-speed event counting, it is independent of the CPU scan, the data for the current value of high-speed 32-bit signed calculator.Format: HC [high-speed counter number] For … Continue reading Siemens S7 200 PLC high-speed counter (HC)
PLC ONE 