Module Function and System Role
This master module serves as the central communication controller for Schneider Modicon networks. It manages data exchange between the processor and remote I/O drops. The module supports up to 32 slave devices on the network. LED indicators display real-time communication and module status. Consequently, this unit ensures reliable data flow in distributed control architectures.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Schneider Electric |
| Model Number | ASBBKF201 |
| Network Type | Modbus Plus (MB+) |
| Supported Protocols | Modbus Plus, Modbus TCP |
| Maximum Slaves | 32 devices |
| Communication Speed | 1 Mbps (MB+) |
| Transmission Distance | 450 m (with repeater) |
| I/O Capacity | 1024 digital / 256 analog |
| Scan Time | 10 ms typical |
| Isolation Voltage | 1500 VAC (network-to-bus) |
| Current Draw | 200 mA from 5 VDC bus |
| Power Dissipation | 4.0 W maximum |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | –40°C to +85°C |
| Humidity | 5% to 95% non-condensing |
| Dimensions (H x W x D) | 85 mm x 25 mm x 110 mm |
| Weight | 0.22 kg |
| Termination Interface | Removable screw terminal block |
| Status Indicators | Run, Comm, Fault LEDs |
Communication Management and Network Control
The ASBBKF201 coordinates all data traffic on the Modbus Plus network. It polls each slave device according to a configurable scan schedule. The module handles both digital and analog I/O data transfer efficiently. It detects and reports communication errors for fault diagnosis. This management ensures deterministic and reliable network performance.
Field Wiring and Termination Details
A removable screw terminal block provides field wiring connections. The module requires termination for the network cable and power. Connect the shielded twisted-pair cable to the designated terminals. Proper termination prevents signal reflection on the network.
Installation and Configuration
Insert the module into a Modicon I/O slot. Secure with retaining clips. Configure the node address using DIP switches. Apply power and verify LED status.
Details
| Weight | 0.22 kg |
|---|---|
| Dimensions | 85 × 25 × 110 mm |
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