Omron CJ2 CPU UNIT - Page 58

1 Overview
1-16
CJ2 CPU Unit Hardware User’s Manual
*8 Supported only by the CJ2H-CPU6@-EIP and CJ2M-CPU3@.
*9 This data type cannot be used in Function blocks.
*10 This data type can be used only in Function blocks.
*11 Supported only when CX-Programmer version 9.0 or higher is used.
Items
CJ2H- CJ2M-
CPU64
(-EIP)
CPU65
(-EIP)
CPU66
(-EIP)
CPU67
(-EIP)
CPU68
(-EIP)
CPU
11/31
CPU
12/32
CPU
13/33
CPU
14/34
CPU
15/35
Tasks Type of Tasks Cyclic tasks
Interrupt tasks (Power OFF interrupt tasks, scheduled interrupt tasks, I/O interrupt tasks, external
interrupt tasks, and input interrupt tasks
*3
)
Number of Tasks Cyclic tasks: 128
Interrupt tasks: 256
(Interrupt tasks can be defined as cyclic tasks to create extra cyclic tasks. Therefore, the total
number of cyclic tasks is actually 384 max.)
Symbols (Vari-
ables)
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)
*8
: I/O memory in the CPU Unit can be externally accessed using sym-
bols, 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)
*9
UDINT BCD (two-word unsigned BCD)
*9
ULINT BCD (four-word unsigned BCD)
*9
REAL (two-word floating-point)
LREAL (four-word floating-point)
CHANNEL (word)
NUMBER (constant or number)
WORD (one-word hexadecimal)
DWORD (two-word hexadecimal)
LWORD (four-word hexadecimal)
STRING (1 to 255 ASCII characters)
TIMER (timer)
*10
COUNTER (counter)
*10
User-defined data types (data structures)
*11
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)
*8
20,000 max. 2,000 max.
Length of Network Symbol (Tag) Name
*8
255 bytes max.
Encoding of Network Symbols (Tags)
*8
UTF-8