Omron CP1H CPU Operation Manual page 315

Pulse Outputs
Operand
M Output Bits 0 to 3
mode
Bits 4 to 7
Bits 8 to 11
Bits 12 to 15 Not used. (Always 0 hex.)
Contents
Mode
#0000: Relative pulse output
#0001: Absolute pulse output
Direction
0 hex: CW
1 hex: CCW
Pulse output method (See note.)
0 hex: CW/CCW
1 hex: Pulse + direction
Section 5-3
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