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This Modulebus extension cable adaptor connects remote I/O units to ABB Advant controllers. It extends the communication distance between the main rack and expansion stations. Therefore, this component enables distributed I/O configurations for large automation systems.
Physical Dimensions and Weight Specifications
The ABB 3BSE021439R1 features a compact plastic housing for DIN rail mounting. Its width measures 35 mm for standard industrial enclosures. The total depth reaches 65 mm including the connector block. Consequently, technicians can install this adaptor in tight cabinet spaces.
| Parameter | Specification |
|---|---|
| Product Model | ABB 3BSE021439R1 |
| Width | 35 mm |
| Height | 70 mm |
| Depth | 65 mm |
| Weight | 0.08 kg |
Interface Types and Connection Layout
The ABB 3BSE021439R1 provides two 9-pin D-sub connectors for Modulebus cabling. A screw terminal block accepts external 24V power for the bus drivers. The housing carries LED indicators for bus status and activity. Hence, operators can monitor network health at a quick glance.
Component Count and Communication Protocol
This adaptor contains one main board with line driver circuits. The board holds galvanic isolation for noise immunity. You will also find termination resistors for end-of-line configuration. An onboard LED driver illuminates the status indicators for diagnostics.
| Technical Feature | Description |
|---|---|
| Bus Protocol | ABB Modulebus (RS-485) |
| Connector Type | 2 x 9-pin D-sub |
| Maximum Distance | 200 meters between segments |
| Termination | Switchable 120 ohm resistor |
| Isolation | 1500V AC |
Energy Storage and Power Requirements
The ABB 3BSE021439R1 draws 40 mA from the external 24V supply. A small capacitor filters noise on the power input line. This storage ensures clean bus signals in industrial environments. The adaptor contains no internal battery for operation.
Network Performance and Installation
The adaptor supports up to 32 devices on a single Modulebus segment. It automatically repeats signals between connected cables. Users can configure termination via DIP switches on the housing. This feature ensures proper signal reflection management for reliable communication.