Remote I/O

Remote I/O modules are distributed input/output devices used in industrial automation to extend the control capabilities of a PLC or DCS beyond the central rack. These units typically support digital and analog signals, including 24 VDC discrete inputs, relay outputs, thermocouple or RTD inputs, and 4-20 mA analog channels. Communication is esta...

Remote I/O modules are distributed input/output devices used in industrial automation to extend the control capabilities of a PLC or DCS beyond the central rack. These units typically support digital and analog signals, including 24 VDC discrete inputs, relay outputs, thermocouple or RTD inputs, and 4-20 mA analog channels. Communication is established via fieldbus protocols such as PROFINET, EtherNet/IP, Modbus TCP, or PROFIBUS DP, ensuring deterministic data exchange. Modules are often rated IP20 for cabinet mounting or IP67 for direct machine installation, with power supply ranges from 24 VDC to 48 VDC. Key specifications include number of channels per module (e.g., 8, 16, or 32), isolation voltage, and diagnostic capabilities like short-circuit detection.

Remote I/O systems are deployed in manufacturing plants, process industries, water treatment facilities, and material handling systems. They are ideal for decentralized control architectures where sensors and actuators are spread over large areas, reducing wiring costs and simplifying maintenance. Common applications include conveyor systems, packaging machinery, robotic cells, and HVAC control in building automation. The modules are mounted in junction boxes, control panels, or directly on machinery using M12 or 7/8-inch connectors.

Our catalog includes subcategories such as digital I/O modules (e.g., 6ES7131-4BF00-0AA0 for Siemens ET 200S), analog I/O modules (e.g., 6ES7134-4GB01-0AB0), and communication interface modules (e.g., 6ES7151-1AA06-0AB0). The article codes often follow manufacturer-specific patterns: for Siemens, the format is 6ES7xxx-xxxxx-xxxx, while for Allen-Bradley, it is 1734-xxxx or 1794-xxxx. We also stock remote I/O racks, power supply modules, and bus couplers.

Partnering with Electric Automation Network ensures access to genuine components with real-time pricing and global express shipping. Our team of automation engineers provides personalized technical support for system configuration, protocol selection, and troubleshooting. We offer detailed datasheets and wiring diagrams for each module, enabling seamless integration into your control architecture.

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Manufacturer Code Reference Catalog Number Description Delivery Price

231298

PROFIBUS-Connector 839550

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Connector Profibus Herbicide

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231299

PROFIBUS Term. Conn. 846086

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Connector Profibus Herbicide Resistance in Order to Fixed

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169695

169695

B7AT6B6OP

16 Points For Input, Screw Terminal, High Speed, +/- Common

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226536

SRT2-ROC16

SRT2ROC16CHN

Module 16 relay Outputs Compobus/S

Module 16 Compobus/S Relay Outputs

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121110

GT1-ID16-1

GT1ID161

Module, 16 Inputs PNP

Module 16 PNP inputs

3 View Availability View Price

121020

GT1-CT01

GT1 1018H

E / S Remote, Module 1 meter 50 Khz

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121027

GT1-TS04T

GT1TS04T

4 input Temperature-Thermocouple

4 inputs Thermocouple Temperature

3 View Availability View Price

121108

GT1-AD08MX

GT1AD08MX

8 analog Inputs-Molex

8 Molex analog inputs

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150827

GT1-DA04

GT1DA04

Module 4 analog Outputs Screw

Module 4 Analog outputs Screw

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137163

137163

B7AR6G36

2-wire 16S receiver 3ms PNP LOFF

2 wires 16S receiver 3ms PNP LOFF

3 View Availability View Price

156709

156709

B7AR6A13

2 wire 16 Outputs NPN Receiver 19.2 ms HOLD 50mA/p

2 wires 16 NPN outputs Receiver 19.2ms HOLD 50mA/p

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121109

GT1-DA04MX

GT1DA04MX

Module 4 analog Outputs Molex

Module 4 Molex analog outputs

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121104

GT1-OD16

GT1OD16

Module 16 Outputs NPN

Module 16 NPN outputs

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121102

GT1-ROP08

GT1ROP08

Module 8 relay Outputs

Module 8 Relay outputs

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154608

154608

B7AR10SC01

2-wire 10S receiver

2 wires 10S receiver

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147179

GT1-TS04P

GT1TS04P

Module 4 inputs Temperature temperature constancy

Module 4 inputs Temperature Thermoresistance

3 View Availability View Price

249457

DCN4-SF4D

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Connector DeviceNet Flat Cable

3 View Availability View Price

137166

137166

B7AR3A13

2-wire 32S E receptor/S 19.2 ms NPN HOLD

2 wires 32S receiver I/O 19.2ms NPN HOLD

3 View Availability View Price

137160

137160

B7AR6G31

2-wire 16S receiver 19.2 ms PNP LOFF

2 wires 16S receiver 19.2ms PNP LOFF

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180927

PRT1-SCU11

PRT1SCU11

Gateway Series Profibus/DP

Profibus/DP Series Gateway

3 View Availability View Price

169698

169698

B7AR6B31OP

2-wire 16S NPN receiver 19.2 ms LOFF

2-wire 16S NPN receiver 19.2ms LOFF

3 View Availability View Price

169699

169699

B7AR6B36OP

2-wire 16S NPN receiver 3ms LOFF

2 Wire 16S NPN Receiver 3ms LOFF

3 View Availability View Price

169696

169696

B7AR6B11OP

2-wire 16S NPN receiver receiver 19.2 ms HOLD

2 Wire 16S NPN Receiver Receiver 19.2ms HOLD

3 View Availability View Price

137157

137157

B7AT6E8

2-wire 16E.issuer 3ms NPN

2 wires 16E.emitter 3ms NPN

3 View Availability View Price

137158

137158

B7AT3E3

2-wire 32E NPN Emitter 19.2 ms

2 wires 32E NPN Emitter 19.2ms

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226097

CRT1B-ID02S-1

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Unit Componet 2 Inputs PNP eCON IP20

Componet Unit 2 Inputs PNP eCON IP20

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226098

CRT1B-OD02S-1

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Unit Componet 2 Outputs PNP eCON IP20

Componet Unit 2 Outputs PNP eCON IP20

3 View Availability View Price

169712

169712

B7ASR6B31OP

2-wire 16S NPN receiver 3ms LOFF

2 Wire 16S NPN Receiver 3ms LOFF

3 View Availability View Price

121107

GT1-ID32ML

GT1ID32ML

Module 32 Inputs NPN Fujitsu

Module 32 NPN Fujitsu Tickets

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121101

GT1-OD32ML

GT1OD32ML

Module 32 Outputs NPN Fujitsu

Module 32 NPN Fujitsu Outputs

3 View Availability View Price

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