1 Overview
1-18
CJ2 CPU Unit Hardware User’s Manual
*12 The EtherNet/IP port is built into the CJ2H-CPU6@-EIP and CJ2M-CPU3@ only.
*13 “Packets per second” is the number of communications packets that can be processed per second.
Item
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
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.)
CIP Communica-
tions Specification
Class 3 (Number of
Connections)
Number of connections: 64
UCMM (Non-connec-
tion 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
Peripheral (USB) Port USB 2.0-compliant B-type connector
Baud Rate 12 Mbps max.
Transmission Distance 5 m max.
Serial Port Interface: Conforms to EIA RS-232C. • 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)
Transmission Distance 15 m max.
EtherNet/IP Port
*12
---
Transmission Specifications
Media Access Method CSMA/CD
Modulation Baseband
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.
Communications Specifications
CIP Communications: Tag Data Links ---
Number of Connections 256 32
Packet Interval (Refresh period) 0.5 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.)
1 to 10,000 ms (in 0.5-ms increments)
Can be set for each connection. (Data will be
refreshed at the set interval, regardless of the
number of nodes.)
Permissible Communications Band 6,000 packets per second
*13
3,000 packets per second
*13
Number of Registrable Tags 256 32
Type of Tags CIO, DM, EM, HR, WR, and network symbols
Number of Tags per Connection 8 (Seven tags if PLC status is included in the segment.)