Chapter 4 Basic Instructions The instruction ORP is used to connect a rising edge-triggered contact in parallel. Explanation Ladder diagram Instruction code: Description: Example X0.0 LD X0.0 Loading the Form A contact X0.0 Y0.1 OUT Y0.1 Driving the coil Y0.1 The instruction ORF is used to connect a falling edge-triggered contact in parallel. Explanation Ladder diagram Instruction code: Description:
Example X0.0 LD X0.0 Loading the Form A contact X0.0 Y0.1 OUT Y0.1 Driving the coil Y0.1 4-13 Instruction code Operand Function ORP S Connecting rising-edge detection in parallel Device Xn.n Yn.n M S K 16# F KnM KnS D W T C V Z S X0.1 Connecting the rising edge-triggered ORP contact X0.1 in parallel X0.1 Instruction code Operand Function ORF S Connecting falling-edge detection in parallel Device Xn.n Yn.n M S K 16# F KnM KnS D W T C V Z S Connecting the falling edge-triggered contact X0.1 ORF X0.1 X0.1