Mitsubishi Electric M800VW Series Programming Manual page 430

M800V/M80V Series PLC Programming Manual (1/2)
8 Function Instructions
8.11 Special Function Instructions
 Functions
BSQR
 Returns the square root of the value designated by (S) and stores the operation result in the device number designated by
(D).
S =
 BCD values with a maximum of 4 digits (0 to 9999) can be designated by (S).
 The operation results of (D) and (D+1) are stored as their respective BCD values from 0 to 9999.
 The operation results are truncated from the 5th digit of the decimal fraction part.
BDSQR
 Returns the square root of the value designated by (S) and (S+1) and stores the operation result in the device number des-
ignated by (D).
S+1 S
(
2-word data
 BCD values with a maximum of 8 digits (0 to 99999999) can be designated by (S) and (S+1).
 The operation results of (D) and (D+1) are stored as their respective BCD values from 0 to 9999.
 The operation results are truncated from the 5th digit of the decimal fraction part.
 Operation errors
 In the following cases, an arithmetic error occurs, the error flag (SM0) turns ON, and an error code is stored at SD0.
- The data designated by (S) is not a BCD value. (Error code: 34)
D D+1
Decimal
Integer part
.
fraction part
D D+1
)
Decimal
= Integer part
.
fraction part
409 IB-1501667-B