| Items | CJ2M- |
|---|
| CPU11/31 | CPU12/32 | CPU13/33 | CPU14/34 | CPU15/35 |
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| User Memory | 5K steps | 10K steps | 20K steps | 30K steps | 60K steps |
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| I/O Bits | 2,560 bits |
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Proc-
essing
Speed | Overhead Processing Time | Normal Mode:
CJ2M-CPU3[]: 270 μs *
CJ2M-CPU1[]: 160 μs *
* The following time must be added when using EtherNet/IP tag data links for the CJ2M-CPU3[].
100 μs + (Number of words transferred × 1.8 μs)
The following time must be added when using Pulse I/O Modules with a CJ2M CPU Unit:
10 μs × Number of Pulse I/O Modules |
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| Execution Time | Basic Instructions: 0.04 μs min.
Special Instructions: 0.06 μs min. |
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Inter-
rupts | I/O Interrupts and External Interrupts | Interrupt task startup time: 31 μs
Return time to cyclic task: 10 μs |
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| Scheduled Interrupts | Minimum time interval: 0.4 ms (set in 0.1 ms increments) |
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Interrupt task startup time: 30 μs
Return time to cyclic task: 11 μs |
| Maximum Number of Connectable Units | Total per CPU Rack or Expansion Rack: 10 Units max.;
Total per PLC: 40 Units max. |
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| Basic I/O Units | No limit
However, a maximum of two CJ1W-INT01 Interrupt Input Units can be mounted. |
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| Special I/O Units | Units for up to 96 unit numbers can be mounted. (Unit numbers run from 0 to 95. Units are allocated between 1 and 8 unit numbers.) |
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| CPU Bus Units | CJ2M-CPU3[]: 15 Units max.
CJ2M-CPU1[]: 16 Units max. |
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| Pulse I/O Modules | 2 Units max. *
* Supported only by CJ2M CPU Units with unit version 2.0 or later. A Pulse I/O Module must be mounted. |
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| Slots for which interrupts can be used | Slots 0 to 4 on CPU Rack |
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| Maximum Number of Expansion Racks | 3 max. |
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| CIO Area | I/O Area | 2,560 bits (160 words): Words CIO 0000 to CIO 0159 |
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| Link Area | 3,200 bits (200 words): Words CIO 1000 to CIO 1199 |
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| CPU Bus Unit Area | 6,400 bits (400 words): Words CIO 1500 to CIO 1899 |
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| Special I/O Unit Area | 15,360 bits (960 words): Words CIO 2000 to CIO 2959 |
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| Pulse I/O Area | 20 inputs, 12 outputs (CIO 2960 to CIO 2963) |
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| Serial PLC Link Words | 1,440 bits (90 words): Words CIO 3100 to CIO 3189 |
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| DeviceNet Area | 9,600 bits (600 words): Words CIO 3200 to CIO 3799 |
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| Internal I/O Area | 3,200 bits (200 words): Words CIO 1300 to CIO 1499 (Cannot be used for external I/O.)
37,504 bits (2,344 words): Words CIO 3800 to CIO 6143 (Cannot be used for external I/O.) |
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| Work Area | 8,192 bits (512 words): Words W000 to W511 (Cannot be used for external I/O.) |
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| Holding Area | 8,192 bits (512 words): Words H000 to H511
Bits in this area maintain their ON/OFF status when PLC is turned OFF or operating mode is changed.
Words H512 to H1535: These words can be used only for function blocks. They can be used only for function block instances (i.e., they are allocated only for internal variables in function blocks). |
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| Auxiliary Area | Read-only: 31,744 bits (1,984 words)
7,168 bits (448 words): Words A0 to A447
24,576 bits (1,536 words): Words A10000 to A11535 *
Read/write: 16,384 bits (1,024 words) in words A448 to A1471 *
* A960 to A1471 and A10000 to A11535 cannot be accessed by CPU Bus Units, Special I/O Units, PTs, and Support Software that do not specifically support the CJ2 CPU Units. |
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| Temporary Area | 16 bits: TR0 to TR15 |
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| Timer Area | 4,096 timer numbers (T0000 to T4095 (separate from counters)) |
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| Counter Area | 4,096 counter numbers (C0000 to C4095 (separate from timers)) |
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| DM Area | 32k words *
DM Area words for Special I/O Units: D20000 to D29599 (100 words × 96 Units)
DM Area words for CPU Bus Units: D30000 to D31599 (100 words × 16 Units)
* Bits in the EM Area can be addressed either by bit or by word. These bits cannot be addressed by CPU Bus Units, Special I/O Units, PTs, and Support Software that do not specifically support the CJ2 CPU Units. |
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| EM Area | 32k words/bank × 4 banks max.: E00_00000 to E3_32767 max. *
* Bits in the EM Area can be addressed either by bit or by word. These bits cannot be addressed by CPU Bus Units, Special I/O Units, PTs, and Support Software that do not specifically support the CJ2 CPU Units. |
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| 32K words × 1 bank | 32K words × 4 banks |
| Force-S/R Enabled Banks *1 | Bank 0 hex | Bank 0 to 3 hex |
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| Index Registers | IR0 to IR15
These are special registers for storing PLC memory addresses for indirect addressing. (Index Registers can be set so that they are unique in each task or so that they are shared by all tasks.) |
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| Cyclic Task Flag Area | 128 flags |
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| Memory Card | 128 MB, 256 MB, or 512 MB |
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| Operating Modes | PROGRAM Mode: Programs are not executed. Preparations can be executed prior to program execution in this mode.
MONITOR Mode: Programs are executed, and some operations, such as online editing, and changes to present values in I/O memory, are enabled in this mode.
RUN Mode: Programs are executed. This is the normal operating mode. |
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| Execution Mode | Normal Mode |
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| Programming Languages | Ladder Logic (LD),
Sequential Function Charts (SFC),
Structured Text (ST), and
Instruction Lists (IL) |
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Function
Blocks | Maximum number of definitions | 256 | 2,048 |
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| Maximum number of instances | 256 | 2,048 |
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| FB Program Area | 20K steps |
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| Tasks | Type of Tasks | Cyclic tasks
Interrupt tasks (Power OFF interrupt tasks, scheduled interrupt tasks, I/O interrupt tasks, and external interrupt tasks, and input interrupt tasks *2) |
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| 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.) |
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Symbols
(Varia-
bles) | 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.
* Supported only by the CJ2M-CPU3[]. |
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| 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) *3
UDINT BCD (two-word unsigned BCD) *3
ULINT BCD (four-word unsigned BCD) *3
REAL (two-word floating-point)
LREAL (four-word floating-point)
CHANNEL (word) *3
NUMBER (constant or number) *3
WORD (one-word hexadecimal)
DWORD (two-word hexadecimal)
LWORD (four-word hexadecimal)
STRING (1 to 255 ASCII characters)
TIMER (timer) *4
COUNTER (counter) *4
User defined data types (data structures) |
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| Maximum Size of Symbol | 32k words |
|---|
| Array Symbols (Array Variables) | One-dimensional arrays |
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| Number of Array Elements | 32,000 elements max. |
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| Number of Registrable Network Symbols (Tags) *5 | 2,000 max. |
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| Length of Network Symbol (Tag) Name *5 | 255 bytes max. |
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| Encoding of Network Symbols (Tags) *5 | UTF-8 |
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Data
Tracing | Memory Capacity | 8,000 words
(The EM Area can be specified from the CX-Programmer to use up to 32K words multiplied by the number of banks supported by the CPU Unit model.) |
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| Number of Samplings | Bits = 31, one-word data =16, two-word data = 8, four-word data = 4 |
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| Sampling Cycle | 1 to 2,550 ms (Unit: 1 ms) |
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| 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 (≠) |
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| Delay Value | - 32,768 to +32,767 ms |
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| 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: 1 Mbytes |
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Commu-
nications | Logical Ports for
Communications | Logical Ports | 8 ports (Used for SEND, RECV, CMND, PMCR, TXDU, and RXDU instructions.) |
|---|
Extended
Logical Ports | 64 ports (Used for SEND2, RECV2, CMND2, and PMCR2 instructions.) |
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CIP
Communications
Specification | Class 3
(Connection
Type) | Number of connections: 64 |
|---|
UCMM (Non-
connection
Type) | Maximum number of clients that can communicate at the same time: 32
Maximum number of servers that can communicate at the same time: 40 |
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| Peripheral (USB) Port | USB 2.0-compliant B-type connector |
|---|
| Baud Rate | 12 Mbps max. |
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| Transmission Distance | 5 m max. |
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| Serial Port | CJ2M-CPU1[] interface: Conforms to EIA RS-232C.
CJ2M-CPU3[]: No serial ports with default system
One of the following Serial Option Boards can be mounted.
CP1W-CIF01 RS-232C Option Board
CP1W-CIF11 RS-422A/485 Option Board (not isolated, max. transmission distance: 50 m)
CP1W-CIF12 RS-422A/485 Option Board (isolated, max. transmission distance: 500 m) |
|---|
| Communications Method | Half-duplex |
|---|
| Synchronization Method | Start-stop |
|---|
| Baud Rate | 0.3, 0.6, 1.2, 2.4, 4.8, 9.6, 19.2, 38.4, 57.6, or 115.2 (kbps) |
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| Transmission Distance | 15 m max. |
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| EtherNet/IP Port *6 | - |
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| Trans-
mission
Specifi-
cations | Media Access
Method | CSMA/CD |
|---|
| Modulation | Baseband |
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Transmission
Paths | Star |
|---|
| Baud Rate | 100 Mbps (100Base-TX) |
|---|
Transmission
Media | Shielded twisted-pair (STP) cable; Categories: 5, 5e |
|---|
Transmission
Distance | 100 m (between ethernet switch and node) |
|---|
Number of
Cascade
Connections | No restrictions if ethernet switch is used. |
|---|
Commu-
nications
Specifi-
cations | CIP
Communications:
Tag Data Links | |
|---|
| Number of
Connections | 32 |
|---|
Packet Interval
(Refresh period) | 1 to 10,000 ms (Unit: 0.5 ms)
Can be set for each connection. (Data will be refreshed at the set interval, regardless of the number of nodes.) |
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Permissible
Communications
Band | 3,000 packets per second *7 |
|---|
Number of
Registerable Tag | 32 |
|---|
| Type of Tags | CIO, DM, EM, HR, WR, and Network symboles |
|---|
Number of Tags
per Connection | 8 (Seven tags if PLC status is included in the segment.) |
|---|
Maximum Link
Data Size per
Node (total
size of all tags) | 640 words |
|---|
Maximum Data
Size per
Connection | 640 words *8 (Data is synchronized within each connection.) |
|---|
Number of
Registrable Tag
Set | 32 (1 connection = 1 segment) |
|---|
Maximum Tag
Set Size | 640 words *8 (One word is used when PLC status is included in the segment.) |
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Maximum
Number of Tags
Refreshable in a
Single Cycle of
CPU Unit *9 | Output/send (CPU Unit to EtherNet/IP): 32
Input/receive (EtherNet/IP to CPU Unit): 32 |
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Data Size
Refreshable in a
Single Cycle of
CPU Unit *9 | Output/send (CPU to EtherNet/IP): 640 words
Input/receive (EtherNet/IP to CPU): 640 words |
|---|
Change of Tag
Data Link
Parameter
Settings during
Operation | OK *10 |
|---|
Multi-cast
Packet Filter
*11 | OK |
|---|
CIP
Communications:
Explicit Messages | - |
|---|
| Class 3
(Connection
Type) | Number of connections: 128 |
|---|
UCMM (Non-
connection
Type) | Maximum number of clients that can communicate at the same time: 16
Maximum number of servers that can communicate at the same time: 16 |
|---|
| CIP Routing | OK (CIP routing is enabled for the following remote Units: CJ1W-EIP21, CJ2H-CPU6[]-EIP, CJ2M-CPU3[], and CS1W-EIP21.) |
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FINS
Communications | - |
|---|
| FINS/UDP | OK |
|---|
| FINS/TCP | 16 connections max. |
|---|
EtherNet/IP
Conformance Test | Conforms to A5. |
|---|
EtherNet/IP
Interface | 10Base-T/100Base-TX
Auto Negotiation/Fixed Setting |
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