Mitsubishi MELSEC iQ-F FX5 series User Manual

576
7 APPLICATION INSTRUCTION
7.17 Data operation instruction
Precautions
• In these instructions, "X
16
+X
15
+X
2
+1" is used in a polynomial for generating the CRC value (CRC-16). There are many
other standard polynomials for generating the CRC value. Note that the CRC value completely differs if an adopted
polynomial is different. Major polynomials for generating the CRC value are shown below.
Operation error
There is no operation error.
Name Polynomial
CRC-12 X
12
+ X
11
+ X
3
+ X
2
+ X + 1
CRC-16 X
16
+ X
15
+ X
2
+ 1
CRC-32 X
32
+ X
26
+ X
23
+ X
22
+ X
16
+ X
12
+ X
11
+ X
10
+ X
8
+ X
7
+ X
5
+ X
4
+ X
2
+ X + 1
CRC-CCITT X
16
+ X
12
+ X
5
+ 1

Mitsubishi MELSEC iQ-F FX5 series Specifications

General

Brand	Mitsubishi
Model	MELSEC iQ-F FX5 series
Category	Controller
Language	English