What Is SCADA? Supervisory Control Without Replacing the PLC
SCADA sits above PLCs and RTUs: it acquires field data, alarms operators, and issues supervisory commands across plants and remote assets—without replacing local deterministic control.

Designed for distributed industrial automation environments, the IP2000-B400 serves as a robust Interbus fieldbus box featuring 8 digital output channels. This low-profile module enables direct connection of binary control signals from the Interbus network to actuators, contactors, solenoid valves, and indicator lamps. Engineered with a highly resilient polyamide housing, the device allows for direct mounting on machines and process equipment without requiring an additional protective control cabinet.
The IP2000-B400 manages decentralized digital output processing with high-speed performance, achieving an approximate 1 ms data transfer time when operating up to 10 modules. The integration of standard M8 and M23 connections ensures stable mechanical and electrical interfaces under demanding factory floor conditions.
| Manufacturer | Beckhoff |
| Part Number / Model | IP2000-B400 |
| Fieldbus Protocol | Interbus |
| Number of Outputs | 8 |
| Output Connections | 8 mm, snap-type |
| Load Type | Ohmic, inductive, lamp load |
| Nominal Output Voltage | 24 V DC (-15% / +20%) |
| Maximum Output Current | 0.5 A per channel (individually short-circuit proof) |
| Short-Circuit Current | Typically 1.5 A |
| Data Transfer Rate | 500 kBaud |
| Cable Length | Maximum 400 m between modules |
| Power Supply Connection | Feed: 1 x M8 male socket (4-pin); Downstream: 1 x M8 female socket (4-pin) |
| Bus Interface | 1 x M23 female socket (9-pin), 1 x M23 male socket (9-pin) |
| Box Supply Current | 85 mA + sensor consumption (max. 0.5 A) |
| Material | PA6 (polyamide) |
| Dimensions (W x H x D) | 30 mm x 210 mm x 26.5 mm |
| Operating Temperature | 0 to +55 degC |
| Storage Temperature | -25 to +85 degC |
| Protection Rating | IP65/66/67 (conforms to EN 60529) |
| Weight | Approx. 350 g |
| Interface Type | Connector Style | Pin Count | Function |
|---|---|---|---|
| Power Supply (Feed) | M8 Male | 4-pin | Control voltage and load voltage input |
| Power Supply (Downstream) | M8 Female | 4-pin | Power distribution to subsequent modules |
| Bus Interface (In) | M23 Male | 9-pin | Interbus network incoming connection |
| Bus Interface (Out) | M23 Female | 9-pin | Interbus network outgoing connection |
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| Country of origin |
Germany
|