EtherNet/IP Units Specifications
| Item | Specifications | |
|---|---|---|
| Model number | CJ1W-EIP21 | |
| Type | 100Base-TX *1 | |
| Applicable PLCs | NJ-series, CJ (CJ1, CJ2) series, CP1H, and NSJ series PLCs. | |
| Unit classification | CJ-series CPU Bus Unit | |
| Mounting location | CPU Rack or Expansion Rack | |
| Number of Units that can be mounted | NJ-series System: 4 max. (including Expansion Racks) CJ series System and NSJ series System: 8 max. (including Expansion Racks) *2 CP1H System: 2 max. | |
| CPU Unit words used | Allocated CIO Area words (CPU Bus Unit words) | 25 words/Unit (one unit number's words) |
| These words contain control bits and flags, the target node PLC's operating and error information, Unit status, communications status, registered/normal target node information, and FINS/TCP connection status. | ||
| Allocated DM Area words (CPU Bus Unit words) | 100 words/Unit (one unit number's words) | |
| These words contain the IP address display/setting area. | ||
| User-set area | Any usable data area words | |
| Target node PLC's operating and error information, and registered/normal target node information | ||
| CPU Bus Unit System Setup | Not used. | |
| Non-volatile memory within EtherNet/IP Unit (See note.) | The following settings are stored in the EtherNet/IP Unit's non-volatile memory. Note: Unlike the regular Ethernet Units, the CPU Bus Unit Setup Area in the CPU Unit is not used for these settings. 1. Unit Setup (communications settings for the EtherNet/IP Unit, such as the IP address, DNS server settings, host name, baud rate, FINS/UDP settings, and FINS/ TCP settings) 2. Tag data link settings (device parameters) | |
| Transfer specifi- cations | Media access method | CSMA/CD |
| Modulation method | Baseband | |
| Transmission paths | Star form | |
| Baud rate | 100 Mbit/s (100Base-TX) | |
| Transmission media | Shielded twisted-pair (STP) cable Categories: 100 Ω at 5, 5e | |
| Transmission distance | 100 m (distance between hub and node) | |
| Number of cascade connections | There is no limitation when a switching hub is used. | |
| Current consumption (Unit) | 410 mA max. at 5 V DC | |
| Weight | 94 g max. | |
| Dimensions | 31 × 90 × 65 mm (W × H × D) | |
| Other general specifications | Other specifications conform to the general specifications of the CJ-series. | |
*1. If tag data links are being used, use 100Base-TX. Otherwise, 10Base-T can be used, but this is not recommended.
*2. Up to seven EtherNet/IP Units can be connected to a CJ2H-CPU6[]-EIP. Up to two EtherNet/IP Units can be connected
to a CJ2M CPU Unit.
*2. Up to seven EtherNet/IP Units can be connected to a CJ2H-CPU6[]-EIP. Up to two EtherNet/IP Units can be connected
to a CJ2M CPU Unit.
Communications Specifications
| Item | Specifications | ||||
|---|---|---|---|---|---|
| NJ | CJ2 | CJ1 | |||
| CIP service | Tag data links (Cyclic communi- cations) | Number of connections | 256 | ||
| Packet interval (refresh cycle) | 0.5 to 10,000 ms (in 0.5-ms units) Can be set independently for each connection. (Data is refreshed over the network at the preset interval and does not depend on the number of nodes.) | ||||
| Maximum allowed communications bandwidth per Unit | 6,000 to 12,000 pps *1 *2 | ||||
| Number of tag sets | 256 | ||||
| Tag types | CIO Area, DM Area, EM Area, Holding Area, Work Area, and network symbols *3 | ||||
| Number of tags per connection (= 1 tag set) | 8 (7 tags when the tag set contains the controller status) | ||||
| Maximum link data size per node | 184,832 words | ||||
| Maximum data size per connection *4 | 504 bytes (252 words) or 1444 bytes (722 words) *3 Data synchronicity is maintained within each connection. | ||||
| Number of registrable tag sets | 256 (1 connection = 1 tag set) | ||||
| Maximum size of 1 tag set | 722 words (The controller status uses 1 word when the tag set contains the PLC status.) | ||||
| Maximum number of tags that can be refreshed per CPU Unit cycle *5 | Output/Transmission (CPU to EtherNet/IP): 256 Input/Reception (EtherNet/IP to CPU): 256 | Output/Transmission (CPU to EtherNet/IP): 19 Input/Reception (EtherNet/IP to CPU): 20 *6 | |||
| Data that can be refreshed per CPU Unit cycle *5 | Output/Transmission (CPU to EtherNet/IP): 6,432 words Input/Reception (EtherNet/IP to CPU): 6,432 words | Output/Transmission (CPU to EtherNet/IP): 7,405 words Input/Reception (EtherNet/IP to CPU): 7,405 words | |||
| Changing tag data link parameters during operation | Supported *7 | ||||
| Multicast packet filter function *8 | Supported | ||||
| Explicit messaging *9 | Class 3 (connected) | Number of connections: 128 | |||
| UCMM (unconnected) | Number of clients that can communicate at one time: 32 max. Number of servers that can communicate at one time: 32 max. | ||||
| CIP routing *10 | Supported CJ1W-EIP21, CS1W-EIP21, NJ-501-[][][][], NJ-301-[][][][], CJ2H-CPU[][]-EIP, CJ2M-CPU3[] | ||||
| FINS service | FINS/UDP | Not supported | Supported | ||
| FINS/TCP | Not supported | 16 connections max. | |||
| EtherNet/IP conformance test | Conforms to A8 | ||||
| Ethernet interface | 10BASE-T or 100BASE-TX Auto Negotiation or fixed settings | ||||
*1. In this case, pps means "packets per second" and indicates the number of packets that can be processed in one
second.
*2. When using the EtherNet/IP Unit with version 3.0 or later. When using the EtherNet/IP Unit with version
2.1 or earlier, the maximum allowed communications bandwidth per Unit is 6,000 pps. When using the EtherNet/IP
Unit with version 3.0 or later, the Network Configurator with version 3.57 or higher is required.
*3. Network symbols can be used only by the NJ501-[][][][], NJ301-[][][][], CJ2H-CPU6[]-EIP and CJ2M-CPU3[].
*4. To use 505 to 1,444 bytes as the data size, the system must support the Large Forward Open standard (an optional
CIP specification). The CS/CJ-series Units support this standard, but before connecting to nodes of other companies,
confirm that those devices also support it.
*5. If the maximum data size is exceeded, the data refreshing with the CPU Unit will extend over two or more cycles.
*6. If status layout is selected in the user settings, the maximum number of tags that can be received is 19 tags.
*7. If parameters are changed in the EtherNet/IP Unit, however, the EtherNet/IP Unit will be restarted. When other nodes
are communicating with the affected node, the communications will temporarily time out and automatically recover
later.
*8. Because the EtherNet/IP Unit is equipped with an IGMP client, unnecessary multicast packets can be filtered by using
a switching hub that supports IGMP snooping.
*9. The EtherNet/IP Unit uses the TCP/UDP port numbers shown in the following table.
second.
*2. When using the EtherNet/IP Unit with version 3.0 or later. When using the EtherNet/IP Unit with version
2.1 or earlier, the maximum allowed communications bandwidth per Unit is 6,000 pps. When using the EtherNet/IP
Unit with version 3.0 or later, the Network Configurator with version 3.57 or higher is required.
*3. Network symbols can be used only by the NJ501-[][][][], NJ301-[][][][], CJ2H-CPU6[]-EIP and CJ2M-CPU3[].
*4. To use 505 to 1,444 bytes as the data size, the system must support the Large Forward Open standard (an optional
CIP specification). The CS/CJ-series Units support this standard, but before connecting to nodes of other companies,
confirm that those devices also support it.
*5. If the maximum data size is exceeded, the data refreshing with the CPU Unit will extend over two or more cycles.
*6. If status layout is selected in the user settings, the maximum number of tags that can be received is 19 tags.
*7. If parameters are changed in the EtherNet/IP Unit, however, the EtherNet/IP Unit will be restarted. When other nodes
are communicating with the affected node, the communications will temporarily time out and automatically recover
later.
*8. Because the EtherNet/IP Unit is equipped with an IGMP client, unnecessary multicast packets can be filtered by using
a switching hub that supports IGMP snooping.
*9. The EtherNet/IP Unit uses the TCP/UDP port numbers shown in the following table.
| Service | Protocol | Port number | Remarks | |||
|---|---|---|---|---|---|---|
| CJ1/CJ2 | NJ | CJ1/CJ2 | NJ | CJ1/CJ2 | NJ | |
| Used by system | --- | UDP | --- | 2223, 2224 | Fixed value | |
| Tag data links | UDP | 2222 | ||||
| Class3, UCMM | TCP/UDP | 44818 | ||||
| DNS | UDP | 53 | ||||
| BOOTP client | --- | UDP | --- | 68 | ||
| FINS/UDP service | UDP | --- | 9600 | --- | Port numbers in the Unit Setup can be changed with the CX-Programmer. | Port numbers in the Unit Setup can be changed with the Sysmac Studio. |
| FINS/TCP service | TCP | --- | 9600 | --- | ||
| FTP | TCP | 20, 21 | 21 | |||
| SNTP | UDP | 123 | ||||
| SNMP | UDP | 161 | ||||
| SNMP trap | UDP | 162 | ||||
*10.When NJ-Series CPU Units is described, Supported only by the EtherNet/IP Units with unit version 2.1 or later and
NJ-Series CPU Units with unit version 1.01 or later.
NJ-Series CPU Units with unit version 1.01 or later.
Unit Versions and Software Versions
The following versions of the Sysmac Studio, CX-Programmer and Network Configurator are required to set EtherNet/IP Units.
Yes: Supported, ---: Not supported
Yes: Supported, ---: Not supported
| CJ1W-EIP21 | Sysmac Studio *1 | CX-Programmer *2 | Network Configurator for EtherNet/IP | ||||
|---|---|---|---|---|---|---|---|
| Ver.1.01 or lower | Ver.1.02 or higher | Ver.7.1 or lower | Ver.8.0 or higher | Ver.8.02 or higher | Ver.3.40 or lower | Ver.3.50 or higher | |
| Ver.1.0 | --- | --- | --- | Yes *3 | Yes | Yes | Yes |
| Ver.2.0 | --- | --- | --- | Yes | Yes | Yes | Yes |
| Ver.2.1 | --- | Yes | --- | Yes | Yes | --- | Yes |
| Ver.3.0 *4 | --- | Yes | --- | Yes | Yes | --- | Yes |
*1. Available only when connecting with NJ-series CPU Units.
*2. Available only when connecting with CJ1/CJ2-series CPU Units.
*3. The most recent version of the common module for CX-One version 3.[][] must be installed.
*4. Using the Sysmac Studio auto-update (November 2014 or later).
*2. Available only when connecting with CJ1/CJ2-series CPU Units.
*3. The most recent version of the common module for CX-One version 3.[][] must be installed.
*4. Using the Sysmac Studio auto-update (November 2014 or later).
Network Configurator Requirements
The Network Configurator Ver. 3.0 or higher is a software package designed for building, setting, and controlling a multi-vendor EtherNet/IP Network using OMRON's EtherNet/IP. It is included in CX-One version 3.0. The Network Configurator provides the following functions for building, setting, and controlling EtherNet/IP.
| Item | Specification | |||
|---|---|---|---|---|
| Operating environment | Refer to the CX-One Setup Manual (Cat. No. W463). CXONE-AL[][]D-V[] | |||
| Network connection method | CS1/CJ1 | CJ2 | NJ | |
| Serial interface | CPU Unit's Peripheral or RS-232C port | CPU Unit's USB or RS-232C port | CPU Unit's USB port | |
| Ethernet interface | EtherNet/IP Unit's Ethernet port | CPU Unit's Ethernet port EtherNet/IP Unit's Ethernet port | ||
| Location on Network | A single node address is used (only when directly connected to EtherNet/IP). | |||
| Number of Units that can be connected to Network | A single Network Configurator per Network (More than one Configurator cannot be used in the same system.) | |||
| Main functions | Network control functions | The Network configuration can be created and edited regardless of whether the Network Configurator is online or offline. The Network configuration can be read from a file or the network. | ||
| Configuration functions | The EDS files used by the Network Configurator can be installed and deleted. | |||
| Supported file formats | Configurator network configuration files (*.ncf) Configuration files (*.ncf) created using the Network Configurator for EtherNet/IP (version 2) can be imported by selecting External Data - Import from the File Menu. | |||
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