
4Ć102 FST Configuration
Original Ć June 1990CE4.2:CL6211
IFTDDC IFTDDC
48
INSTRUCTION NAME: IFTDDC (if true set direct digital control mode)
DESCRIPTION: This instruction places the loop being executed into the direct digital control
mode if the discrete value in operand 1 is 1. If the discrete value is 0, the mode will not change. The
SVA input remains unchanged. Refer to section 5.6 on page 5Ć9 for more information on using this
instruction.
GRAPHIC REPRESENTATION: SYMBOLIC REPRESENTATION:
DDC A M
T
DDC
OPERAND 1
NO GRAPHIC REPRESENTATION
CONFIGURATION FORMAT: IFTDDC (
Logic signal >>
Comment >>
OPERAND DESCRIPTIONS:
Logic signal - The name of the general register or discrete loadable function that contains the
discrete value.
Comment - A comment up to 255 characters long.
FUNCTION EQUATIONS:
SVD(out) = SVD(in)
If discrete value = 1
Then mode = direct digital control
If discrete value = 0
Then mode = no change
SVA(out) = SVA(in)
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