Replacing Yokogawa AAI835: Wiring and Barrier Checks Before Swap
Before replacing a Yokogawa AAI835, verify the 4-in/4-out channel map, power-loss loop behavior, barrier type, output load, cable, and redundancy.
Manufacturer: BECKHOFF
Product No.: IP2301-B310
Country of origin:Germany
Product Type: Fieldbus Boxes
Payment: T/T, Western Union
Weight: 2000g
Dimensions: 30 mm x 175 mm x 26.5 mm
Shipping port: Xiamen
Warranty: 12 months
Designed for decentralized industrial automation environments, the Beckhoff IP2301-B310 is a rugged, field-mountable I/O module operating on the PROFIBUS DP network protocol. This unit features a combined configuration of four digital inputs and four digital outputs, allowing for local integration of sensors and actuators directly on processing machinery. By eliminating the necessity for protective control cabinets, this Fieldbus Box optimizes installation footprints and significantly reduces field-wiring complexity.
The module communicates at high speeds with automatic baud rate detection up to 12 Mbaud, ensuring deterministic performance within time-critical automation systems. It features M8 interfaces for robust signal distribution and an M12 B-coded connection for secure PROFIBUS network coupling.
| Parameter | Specification |
|---|---|
| Manufacturer | Beckhoff |
| Part Number / Model | IP2301-B310 |
| Product Type | Fieldbus Box Digital I/O Module |
| Fieldbus System | PROFIBUS DP |
| Baud Rates | 9.6 kbaud to 12 Mbaud (automatic detection) |
| Number of Channels | 4 digital inputs + 4 digital outputs |
| Input Filter Time | 3.0 ms |
| "0" Signal Voltage | -3 to +5 V |
| "1" Signal Voltage | 11 to 30 V, 6 mA input current (EN 61131-2, type 2) |
| Output Current | 0.5 A per channel (short-circuit proof) |
| Control Voltage | 24 V DC (-15% / +20%) |
| Power Supply Connections | Feed: 1 x M8 male (4-pin); Downstream: 1 x M8 female (4-pin) |
| Bus Connection Interface | 1 x M12 socket, 5-pin, B-coded |
| Dimensions (W x H x D) | 30 mm x 175 mm x 26.5 mm |
| Housing Material | PA6 (polyamide) |
| Operating Temperature | 0 to +55 degC |
| Storage Temperature | -25 to +85 degC |
| Protection Class | IP65/66/67 (conforms to EN 60529) |
| Weight | 2.0 kg (including typical packaging) |
| Interface Connection | Connector Type | Function / Assignment |
|---|---|---|
| Digital Inputs & Outputs | M8 screw-type | Channel connection for 4 sensors and 4 actuators |
| PROFIBUS DP Interface | M12 socket, 5-pin, B-coded | Primary bus communication network link |
| Power Supply Input | M8 male, 4-pin | 24 V DC control and load power input feed |
| Power Supply Output | M8 female, 4-pin | 24 V DC downstream power feed to subsequent modules |
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Returns & Warranty

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Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
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| Country of origin |
Germany
|