Xinje XL Series - 8 C Language Function Block; 8-1 Summary; 8-2 Instruction Format

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8 C Language Function Block
In this chapter, we focus on C language function block’s specifications, edition, instruction
calling, application points etc. We also attach the common function list.
8-1 Summary
XD/XL series supports to write function blocks in C language in the Xinje PLC software and
call them where needed. It supports almost all C language functions (compared with XC
series, XD/XL series also supports global variables), which enhances the confidentiality of
the program. At the same time, it can call many places and different files, greatly improves
the efficiency of programmers.
8-2 Instruction Format
1) Summary
Call the C language Function Block at the specified place.
Call the C language function block [NAME_C]
16 bits
instruction
NAME_C
32 bits
Instruction
-
Execution
condition
Normally ON/OFF,
Rising/Falling Edge activation
Suitable
Models
XD, XL
Hardware
Software
2) Operands
Operands
Function
Type
S1
Name of C Function Block, defined by the user
String
S2
Corresponding start ID of word W in C language
function
16 bits, BIN
S3
Corresponding start ID of bit B in C language
function
bit, BIN
3) Suitable Soft Components
Operan
ds
Word soft elements
Bit soft elements
System
Consta
nt
Module
System
D
F
D
T
D
C
D
D
X
D
Y
D
M
D
S
K/H
I
D
Q
D
X
Y
M
S
T
C
Dn.
m
S1
S2
●
S3
●
*Note: D includes D, HD; TD includes TD, HTD; CD includes CD, HCD, HSCD, HSD;
DM includes DM, DHM; DS includes DS, DHS. M includes M, HM, SM; S includes S
and HS; T includes T and HT; C includes C and HC.
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