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Phoenix Contact IL ETH BK DI8 DO4 2TX-PAC User Manual

Phoenix Contact IL ETH BK DI8 DO4 2TX-PAC
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1Description
Inline, bus coupler, Modbus/TCP (UDP),
digital inputs: 8, 24 V DC,
digital outputs: 4, 24 V DC, 500 mA
IL ETH BK DI8 DO4 2TX-PAC
© PHOENIX CONTACT
Data sheet
The bus coupler with integrated I/Os is intended for use
within a Modbus/TCP(UDP) network and represents the
link to the Inline I/O system.
Up to 61 Inline devices can be connected to the bus coupler.
The bus coupler supports a maximum of 16PCP devices.
Features
2 Ethernet ports (with integrated switch)
Auto negotiation
Autocrossing
Transmission speed of 10 Mbps and 100 Mbps
Automatic detection of the transmission speed in the
local bus (500kbps or 2Mbps)
–Eightdigital inputs, fourdigital outputs (on-board)
Data exchange via OPC server supported
Software interfaces for access via TCP/IP: Device
Driver Interface (DDI) and High-Level Language
Fieldbus Interface (HFI)
Web-based management
WARNING: Explosion hazard when used in potentially explosive areas
When using the terminal in potentially explosive areas, observe the corresponding notes.
This data sheet is only valid in association with the ILSYSINSTUME user manual.
Make sure you always use the latest documentation.
It can be downloaded at: phoenixcontact.net/product/2703981
7275_en_09
2020-02-26
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Phoenix Contact IL ETH BK DI8 DO4 2TX-PAC Specifications

General IconGeneral
Number of Digital Inputs8
Number of Digital Outputs4
Ethernet Ports2
Transmission Speed10/100 Mbps
ProtocolEthernet/IP, Modbus TCP
Power Supply24 V DC
Mounting TypeDIN Rail

Summary

Product Description

Ordering Information

Technical Specifications

Internal Circuit Diagram

Potentially Explosive Area Usage

Network Access Safety

Connecting Ethernet, Power, and I/O

Ethernet Connection

Details connecting the bus coupler via RJ45 connector, noting autocrossing and shielding considerations.

Supply, Actuator, and Sensor Connection

Connection Example

Illustrates a typical connection setup for power and data lines to the bus coupler.

Diagnostic and Status Indicators

Reset Button Functions

Restarting the Bus Coupler

Procedure to restart the bus coupler during operation, affecting outputs but not input image.

Resetting to Default Settings

Guide to restoring factory default settings for IP, firmware update, and system identification.

Startup Procedures

Firmware Startup Sequence

Details the LED sequence during firmware startup, including BootP, boot loader, and ready states.

BootP Request Handling

Describes initial startup behavior with BootP requests and how restarts manage existing configuration data.

Startup Behavior Modes

Plug and Play Mode Operation

Enables local module startup without a host; status is retained. Outputs are not enabled until deactivated.

Expert Mode Configuration

Allows manual setting to 'RUN' state; bus does not start automatically. Requires specific firmware commands.

Delayed Startup Function

Activates data transmission after controller write access or 'Clear Net Fail', showing 'ACTIVE' status initially.

Mode Combination Scenarios

Startup Process Diagrams

Visualizes startup sequences for normal mode and Plug and Play with Expert mode deactivated.

Monitoring and Diagnostics

Setting Fault Response Modes

Defines how the bus coupler reacts to errors, choosing between output reset, holding last state, or default values.

Process Data Watchdog

Modbus Protocols and Registers

Modbus Connection Types

Supports up to eight simultaneous Modbus/TCP connections and simultaneous access to different addresses.

Modbus Interface Standard

Adheres to standard port 502 for Modbus communication via the bus coupler.

Modbus Conformance Class

Indicates support for Modbus conformance class 0.

Supported Modbus Function Codes

Lists function codes FC3, FC4, FC6, FC16, and FC23 for reading and writing registers and data.

Modbus Register Overview

Process Data Mapping

Diagnostic Registers

Register 7996: Status Register

Provides status bits for the bus coupler, indicating errors or normal operation states.

Register 7997: Diagnostic Status

Details local bus status bits, including peripheral faults and bus errors.

Register 7998: Parameter Register 1

Register 7999: Parameter Register 2

Contains additional error code information for local bus diagnostics.

Special Function Registers

Register 1280: Connection Timeout

Configures Modbus/TCP connection monitoring timeouts for detecting network or client errors.

Registers 1400-1463: Local Bus Config

Provides access to local bus configuration data, including device count, length codes, and module IDs.

Register 2006: Command Register

Register 2008: Delayed Start Transfer

Enables or disables delayed start data transfer on the local bus.

Register 2010: On-board I/O Control

Activates or deactivates on-board inputs and outputs.

Registers 2075-2089: Module Rating Plate

Provides read-only access to essential module information like firmware version, serial number, and vendor.

Modbus/TCP PCP Register Structure

PCP Odd Data Byte Transmission

DDI: Device Driver Interface

DDI Remote Access Services

Lists services for node management, data access, and message handling through the DDI.

DDI Connection and Error Monitoring

Provides services for managing communication timeouts and Net Fail status for network connections.

DDI Process Data Monitoring Services

Services to activate and deactivate process data monitoring functions via the DDI.

Firmware Services Overview

System Parameters for Set/Read Value

PCP Communication Details

PCP Parameter Data Transmission

Explains PCP data exchange, including parameter data division, recombination, and protocol functions.

Supported PCP Commands

Lists PCP commands like Initiate_Request and Read_Request accessible via the DDI MXI interface.

PCP PDU Size Configuration

Describes how to configure the standard PDU size for Inline device communication.

HFI: High-Level Language Interface

Web-Based Management (WBM)

Provides access to static/dynamic information and configuration changes via a web server, protected by password.

Firmware Update Procedure

Details the process for updating bus coupler firmware using TFTP or FTP, initiated via web-based management.

Process Data Access via XML

Allows accessing process data from connected terminals through a web page in XML format.

XML File Structure Overview

Defines the structure of XML files, including mandatory elements for station and bus terminal data.

SNMP Network Management Protocol