Xinje XD Series User Manual

352
8-11 Function Table
The default function library
Constant
Data
Description
_LOG2
(double)0.693147180559945309417232121458
Logarithm of 2
_LOG10
(double)2.3025850929940459010936137929093
Logarithm of 10
_SQRT2
(double)1.41421356237309504880168872421
Radical of 2
_PI
(double)3.1415926535897932384626433832795
PI
_PIP2
(double)1.57079632679489661923132169163975
PI/2
_PIP2x3
(double)4.71238898038468985769396507491925
PI*3/2
String Function
Description
void * memchr(const void *s, int c, size_t n);
Return the first c position among
n words before s position
int memcmp(const void *s1, const void *s2, size_t n);
Compare the first n words of
position s1 and s2
void * memcpy(void *s1, const void *s2, size_t n);
Copy n words from position s2 to
s1 and return s1
void * memset(void *s, int c, size_t n);
Replace the n words start from s
position with word c, and return to
position s
char * strcat(char *s1, const char *s2);
Connect string ct behind string s
char * strchr(const char *s, int c);
Return the first word c position in
string s
int strcmp(const char *s1, const char *s2);
Compare string s1 and s2
char * strcpy(char *s1, const char *s2);
Copy string s1 to string s2
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Xinje XD Series Specifications

General

Input Voltage	24V DC
Storage Temperature	-20°C to 70°C
Protection Class	IP20
Type	PLC
Series	XD
Programming Language	Ladder Logic, Instruction List
Communication Interface	RS232, RS485
Power Supply	24V DC
Digital Inputs	Available (number varies by model)
Digital Outputs	Available (number varies by model)
Analog Inputs	Available (number varies by model)
Analog Outputs	Available (number varies by model)
Output Type	Relay, Transistor
Number of Inputs	Varies by model (see Digital Inputs and Analog Inputs)
Number of Outputs	Varies by model (see Digital Outputs and Analog Outputs)
Operating Temperature	0°C to 50°C
Humidity	5% to 95% (non-condensing)