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WindLDR™ Reference Manual 9-119 When an input is on, the 16-bit data of the data register designated by S1 is rotated to the left by the quantity of bits designated by operand bit. The last bit status rotated out of the data register is set to a carry (special internal relay M303). When bit to rotate = 1 Before rotation: CY M303 MSB S1 LSB 1 0 0 1 1 0 1 0 1 1 1 0 0 1 1 0 Rotate to the left After rotation: CY 1 M303 MSB S1 LSB 0 0 1 1 0 1 0 1 1 1 0 0 1 1 0 0 Operands Possible (Standard Processing Mode) Operand S1 (Source 1) Bit Function Data for bit rotation Quantity of bits to rotate I — — Q — — M — — T — — C — — © 2001 IDEC Corporation 9. Editing the Ladder
