AH500 Programming Manual 5.1 List of Basic Instructions 5-2 Instruction code Function Operand Step LD/AND/OR Loading contact A/Connecting contact A in series/Connecting contact A in parallel DX, X, Y, M, SM, S, T, C, HC, D, L, and PR 1-2 LDI/ANI/ORI Loading contact B/Connecting contact B in series/Connecting contact B in parallel DX, X, Y, M, SM, S, T, C, HC, D, L, and PR 1-2 ANB/ORB Connecting the loop blocks in series/parallel – 1 MPS/MRD/MPP Storing the data in the stack/Reading the data from the stack/Popping the data from the stack – 1 OUT Driving the coil DY, X, Y, M, SM, S, T, C, HC, D, L, and PR 1-2 SET Keeping the device on DY, X, Y, M, SM, S, T, C, HC, D, L, and PR 1-2 MC/MCR Setting/Resetting the master control N 1 LDP/ANDP/ORP Starting the rising-edge detection/Connecting the rising-edge detection in series/Connecting the rising-edge detection in parallel DX, X, Y, M, SM, S, T, C, HC, D, L, and PR 1-2 LDF/ANDF/ORF Starting the falling-edge detection/Connecting the falling-edge detection in series/Connecting the falling-edge detection in parallel DX, X, Y, M, SM, S, T, C, HC, D, L, and PR 1-2 PED/APED/OPED Starting the rising-edge detection/Connecting the rising edge-detection in series/Connecting the rising-edge detection in parallel X, Y, M, SM, S, T, C, HC, D, L, and PR 5 NED/ANED/ONED Starting the falling-edge detection/Connecting the falling-edge detection in series/Connecting the falling-edge detection in parallel X, Y, M, SM, S, T, C, HC, D, L, and PR 5 PLS Rising-edge output DY, X, Y, M, SM, S, T, C, HC, D, L, and PR 1-2 PLF Falling-edge output DY, X, Y, M, SM, S, T, C, HC, D, L, and PR 1-2 INV Inverting the logical operation result – 1 NOP No operation – 1 NP The circuit is rising edge-triggered.
– 1 PN The circuit is falling edge-triggered. – 1 FB NP _ The circuit is rising edge-triggered. X, Y, M, SM, S, T, C, HC, D, L, and PR 1-2 FB PN _ The circuit is falling edge-triggered. X, Y, M, SM, S, T, C, HC, D, L, and PR 1-2 PSTOP Stopping executing the program in the PLC – 1