5
CJ2H-CPU6
@
-EIP
Symbols
(Variables)
Type of Symbols
•
Local symbols: Can be used only within a single task in the PLC.
•
Global symbols: Can be used in all tasks in the PLC.
•
Network symbols (tags): I/O memory in the CPU Unit can be externally accessed using symbols, depending
on parameter settings.
Data Type of Symbols
•
BOOL (bit)
•
UINT (one-word unsigned binary)
•
UDINT (two-word unsigned binary)
•
ULINT (four-word unsigned binary)
•
INT (one-word signed binary)
•
DINT (two-word signed binary)
•
LINT (four-word signed binary)
•
UINT BCD (one-word unsigned BCD)
*
1
•
UDINT BCD (two-word unsigned BCD)
*
1
•
ULINT BCD (four-word unsigned BCD)
*
1
•
REAL (two-word floating-point)
•
LREAL (four-word floating-point)
•
CHANNEL (word)
*
1
•
NUMBER (constant or number)
*
1
•
WORD (one-word hexadecimal)
•
DWORD (two-word hexadecimal)
•
LWORD (four-word hexadecimal)
•
STRING (1 to 255 ASCII characters)
•
TIMER (timer)
*
2
•
COUNTER (counter)
*
2
*1.
Cannot be used in Function blocks
*2.
Can be used only in Function blocks
Maximum Size of Symbol
32k words
Array Symbols (Array Variables)
One-dimensional arrays
Number of Array Elements
32,000 elements max.
Number of Registrable Network
Symbols (Tags)
20,000 max.
Length of Network Symbol (Tag)
Name
255 bytes max.
Encoding of Network Symbols
(Tags)
UTF-8
Data Tracing
Memory Capacity
8,000 words
16,000 words
32,000 words
(Up to 32k words
×
25 banks when EM is specified in CX-Programmer)
Number of Samplings
Bits = 31, one-word data =16, two-word data = 8, four-word data = 4
Sampling Cycle
1 to 2,550 ms (Unit: 1 ms)
Trigger Conditions
ON/OFF of specified bit
Data comparison of specified word
Data size: 1 word, 2 words, 4 words
Comparison Method: Equals (=), Greater Than (>), Greater Than or Equals (
≥
), Less Than (<), Less Than or
Equals (
≤
), Not Equal (
≠
)
Delay Value
−
32,768 to +32,767 ms
File Memory
Memory Card (128, 256, or 512 Mbytes) (Use the Memory Cards provided by OMRON.)
EM file memory (Part of the EM Area can be converted for use as file memory.)
Source/
Comment
Memory
Function block program
memory, comment file, program
index file, symbol tables
Capacity: 3.5 Mbytes
Items
CJ2H-
CPU64-EIP
CPU65-EIP
CPU66-EIP
CPU67-EIP
CPU68-EIP