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.: IP2022-B318
Country of origin:Germany
Product Type: Fieldbus Box
Payment: T/T, Western Union
Weight: 2000g
Dimensions: 30 mm x 210 mm x 26.5 mm
Shipping port: Xiamen
Warranty: 12 months
The BECKHOFF IP2022-B318 is an industrial Fieldbus Box featuring 8 digital outputs and an integrated PROFIBUS interface. Designed for decentralized automation architectures without control cabinets, this IP65/66/67 rated module connects directly to machine-level field environments and interfaces seamlessly with PROFIBUS DP networks.
Equipped with an XXL polyamide housing, the device supports robust field installation using M12 and M8 connection technology. It provides reliable switching of ohmic, inductive, and lamp loads up to 2 A per channel, backed by individual short-circuit protection and an integrated T-connector for straightforward bus and power daisy-chaining.
| Parameter | Specification |
|---|---|
| Manufacturer | BECKHOFF |
| Exact Model | IP2022-B318 |
| Product Type | Fieldbus Box |
| Bus System | PROFIBUS DP |
| Data Transfer Rates | Automatic detection up to 12 Mbaud |
| Bus Interface | 1 x M12 socket (5-pin), 1 x M12 plug (5-pin), B-coded, integrated tee-connector |
| Number of Outputs | 8 digital outputs |
| Output Connections | M12, screw type |
| Load Type | Ohmic, inductive, lamp load |
| Nominal Output Voltage | 24 V DC (-15 % / +20 %) |
| Max. Output Current | 2 A per channel, individually short-circuit proof, total sum 4 A |
| Short-Circuit Current | Max. 4 A |
| Power Supply (Control / Load) | Control voltage: 24 V DC (-15 % / +20%); Load voltage: according to I/O type |
| Power Supply Connection | Feed: 1 x M8 male socket (4-pin); Downstream: 1 x M8 female socket (4-pin) |
| Box Supply Current | 85 mA + current consumption of sensors, max. 0.5 A |
| Bit Width in Process Image | 8 outputs |
| Configuration | Via KS2000 or controller, DP-V1 extensions supported |
| Housing Data | XXL housing |
| Dimensions (W x H x D) | 30 mm x 210 mm x 26.5 mm |
| Material | PA6 (polyamide) |
| Installation | 2 fixing holes 3.5 mm diameter for M3 screws |
| Protection Class | IP65 / IP66 / IP67 (conforms to EN 60529) |
| Operating Temperature | 0 to +55 degC |
| Storage Temperature | -25 to +85 degC |
| Vibration / Shock Resistance | Conforms to EN 60068-2-6 / EN 60068-2-27 |
| EMC Immunity / Emission | Conforms to EN 61000-6-2 / EN 61000-6-4 |
| Approvals / Markings | CE, UL |
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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
|