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General Specifications - Epson RC620 Manual

Robot controller option, fieldbus i/o.
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1. Introduction
Numbers of Inputs/Outputs
Using a Fieldbus master board, you can control 1,024 inputs (128 bytes) and 1,024 outputs
(128 bytes).
Also, using a Fieldbus slave board, you can exchange 256 inputs (32 bytes) and 256
outputs (32 bytes) with a master.
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
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
Access Control Type
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.
- I/O messaging connection
- Explicit messaging connection
100 Mbps, 10 Mbps
128 (including master unit)
244 bytes
Universal Ethernet cable
(Cyclic, Change of State)
All connections are conformed to EtherNet/IP
communication protocol.
RC620 Option Fieldbus I/O Rev.8


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