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.: IP2041-B520
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
The BECKHOFF IP2041-B520 is a decentralized digital output module belonging to the Fieldbus Box product family. Designed for machine-level installation without control cabinets, this device integrates 8 digital outputs and interfaces directly with a DeviceNet network. It provides decentralized signal processing in industrial environments requiring high protection ratings.
This Fieldbus Box features M8 connection technology for output channels and supports data transfer rates up to 500 kbaud with automatic detection. It operates on a 24 V DC supply and handles ohmic, inductive, and lamp loads with individual short-circuit protection per channel. The robust housing design allows direct mounting on machine frames or profiles.
| Parameter | Specification |
|---|---|
| Manufacturer | BECKHOFF |
| Exact Model | IP2041-B520 |
| Product Type | Fieldbus Box |
| System Data | DeviceNet |
| Bit Width in Process Image | 8 outputs |
| Configuration Possibility | KS2000 or controller (explicit messaging) |
| Parameter | Specification |
|---|---|
| Number of Outputs | 8 |
| Nominal Output Voltage | 24 V DC (-15 % / +20 %) |
| Max. Output Current | 2 A per channel (individually short-circuit proof), total current max. 12 A (channel 0-3: sum 4 A, 4-5: sum 4 A, 6-7: sum 4 A) |
| Short-Circuit Current | Typ. 4 A |
| Load Type | Ohmic, inductive, lamp load |
| Output Connections | M8, screw type |
| Parameter | Specification |
|---|---|
| Bus Interface | 1 x M12 plug, 5-pin |
| Data Transfer Rates | Automatic detection up to 500 kbaud |
| Control Voltage Power Supply | 24 V DC (-15 % / +20 %) |
| Power Supply Connection | Feed: 2 x M8 male socket, 4-pin; no downstream connection |
| Box Supply Current | 45 mA + current consumption of sensors, max. 0.5 A |
| Electrical Isolation | Control voltage/fieldbus: 500 V |
| Parameter | Specification |
|---|---|
| Dimensions (W x H x D) | 30 mm x 175 mm x 26.5 mm |
| Housing Material | PA6 (polyamide) |
| Installation | 2 fixing holes 3.5 mm diameter for M3 |
| 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 |
| Interface | Function |
|---|---|
| 1 x M12 plug, 5-pin | DeviceNet bus interface |
| 2 x M8 male socket, 4-pin | Power supply feed (control and load voltage) |
| M8 screw-type sockets | 8 digital output channels |
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Returns & Warranty

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Returns & Warranty
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| Country of origin |
Germany
|