General Specifications - Epson RC700 Manual

Connection Types
There are two types of messaging connections: I/O messaging connection and Explicit
messaging connection.
explained below:
Change Of State : A device sends data whenever it changes. Signals for device diagnosis
Cyclic
NOTE

For Change of State and Cyclic, the ACK which verifies communication completion can
be disabled by setting. However, never disable the ACK since communication errors
cannot be detected.

1.4.3 General Specifications

EtherNet/IP Communication Specifications
Supported
Connection
Baud Rates
Maximum Nodes
Data Length / Frame 244 bytes
Access Control Type CSMA/CD
Cable
RC700 / RC90 Option Fieldbus I/O Rev.12
I/O messaging connection includes the following 2 methods
are sent regularly in the background. This connection type is useful for
remedying EtherNet/IP communication traffic.
: A slave device transfers data regularly according to its internal timer.
This connection type is typically used for communicating with a
temperature controller. The data transfer frequency is defined by
master configuration.
Item
- I/O messaging connection
(Cyclic, Change of State)
- Explicit messaging connection
All connections are conformed to EtherNet/IP
communication protocol.
100 Mbps, 10 Mbps
128 (including master unit)
Universal Ethernet cable
Specification
1. Introduction
9