Rievtech PR-12 Series, User Manual And Programmers Manual

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6.6.2 CTD
Input/output Operand Data type
Cxxx Constant(C0
—
C255) Word
CD (LAD) Enable bit Boolean
CD (FBD) I, Q, M, SM, T, C, V, S, L,Enable bit Boolean
LD (LAD) Enable bit Boolean
LD (FBD) I, Q, M, SM, T, C, V, S, L,Enable bit Boolean
PV VW, IW, QW, MW, LW, SMW, AC, T, C, AIW,constant, *VD, *AC, *LD, SW Integer
The bit of CD is converted from 0 to 1 and the current
value minus 1. When the current value is equal to 0, the
counter is opened and counter stops count .When the LD
bit is equal to 1,counter bit is restored and the preset
value is loaded into the current value.
Counter range
：
C xxx=C0~C255
Attention: The counter number of each counter is different.
Example: