7 APPLICATION INSTRUCTIONS
7.9 Real Number Instructions
829
7
Calculating the square root of BCD 8-digit data
BDSQRT(P)
These instructions calculate the square root of the value specified by a BCD 8-digit data.
■Execution condition
■Description, range, data type
■Applicable devices
Ladder ST
ENO:=BDSQRT(EN,s,d);
ENO:=BDSQRTP(EN,s,d);
FBD/LD
Instruction Execution condition
BDSQRT
BDSQRTP
Operand Description Range Data type Data type (label)
(s) Data used for square root operation, or the start device
containing the data
0 to 99999999 BCD 8-digit ANY32
(d) Start device for storing the operation result BCD 4-digit ANY16_ARRAY
(Number of elements: 2)
EN Execution condition Bit BOOL
ENO Execution result Bit BOOL
Operand Bit Word Double word Indirect
specification
Constant Others
X, Y, M, L,
SM, F, B, SB,
FX, FY
J\ T, ST, C, D, W,
SD, SW, FD, R,
ZR, RD
U\G, J\,
U3E\(H)G
Z LT, LST,
LC
LZ K, H E $
(s)
(d)
RnCPU
RnENCPU
RnSFCPU RnSFCPURnPCPURnPCPU
(Standard) (Safety)
(Redundant)
(Process)