Toshiba EN655, Instruction Manual

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1.1 Functions and Characteristics of the EN655 Module
Unified Controller nv series Ethernet Module (EN655) Instruction Manual
3
■ Comparison of function with the EN311 module
Item EN311 EN655
Protocol TCP/UDP/IP TCP/UDP/IP/ICMP/ARP
Transmission speed 10M 10M/100M
No. of units installed Up to 4 modules in total per
controller
（Ethernet modules installed in
the station bus such as the
EN751A are included ）
Up to 4 modules in total per
controller
（Ethernet modules installed in
the station bus such as the
EN651A are included）
Installation method G3 I/O Bus (Parallel I/O Bus) G2 I/O Bus (Parallel I/O Bus)
No. of sockets Up to 8 sockets per unit Up to 8 sockets per unit
Instruction USEND_T/URCV_T USEND_N/URCV_N
No. of transmission
words
（instruction words） 1000 words 1000 words
IP address type Class A/ Class B/ Class
C/arbitrary Class C/arbitrary
Multicast address Not supported Not supported
■ Example of system configuration
Figure 1-1-a Example of system configuration using PUM14
Ethernet
connection
device
PS
693
IF
658
EN
655
G2
I/O G2
I/O
IF
661
PS
693
PUM14
G2
I/O G2
I/O
IF
661
PS
693
PUM14
extension cable
monitoring/
tracking data cable
Ethernet