178
Description
• The 16-bit data or 16-bit equivalent constant specified by S1 is divided by the 16-bit data or 16-
bit equivalent constant specified by S2 when the trigger turns ON.
The quotient is stored in D and the remainder is stored in the special data register DT9015.
■ Flag condition
• Error flag (R9007): Turns ON and keeps the ON state,
- when the area specified using the index modifier exceeds the limit.
- when the 16-bit equivalent constant or 16-bit data for the divisor
specified by S2 is 0.
The error address is transferred to DT9017 and held. (See notes below.)
• Error flag (R9008): Turns ON for an instant,
- when the area specified using the index modifier exceeds the limit.
- when the 16-bit equivalent constant or 16-bit data for the divisor
specified by S2 is 0.
The error address is transferred to DT9018. (See notes below.)
• = flag (R900B): Turns ON for an instant when the calculated result is recognized as “0”.
• Carry flag (R9009): Turns ON for an instant when negative minimum value K-32768
(H8000) is divided by K-1 (HFFFF).
Notes:
• Special data registers DT9017 and DT9018 are available only for FP1s with CPU
version 2.7 or later. (All FP1s with a suffix “B” on the part number have this function.)
• When using special internal relays R9008, R9009, and R900B as the flags for this
instruction, be sure to program the flags at the address immediately after the
instruction.
• Refer to page 223, “8-3. Table of Special Internal Relays”, for details about error
flags, = flag, and carry flag.
• If the calculated result accidently overflows (if special internal relay R9009 turns
ON), use of the F33 (D%) instruction (32-bit data division) is recommended. When
you use the F33 (D%) instruction instead of F32 (%), be sure to convert the 16-bit
dividend and divisor into 32-bit data using the F89 (EXT) instruction.
Dividend data Divisor Trigger turns ON Quotient Remainder
S1 ÷ S2 D
....
DT9015
6-3. Description of High-level Instructions
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