This PROFIBUS-DP communication module connects Yokogawa controllers to fieldbus networks seamlessly. The ALP111-S01 enables high-speed data exchange between Yokogawa systems and third-party PROFIBUS devices. It handles both cyclic and acyclic communication for comprehensive field device integration. Process engineers choose this module for its robust performance in distributed control applications. Its compact design fits directly into Yokogawa Centum VP and ProSafe-RS chassis.
Technical Specifications Summary
| Parameter | Specification |
|---|---|
| Fieldbus Protocol | PROFIBUS-DP (EN 50170) |
| Transmission Speed | 9.6 kbps to 12 Mbps (auto-detecting) |
| Bus Topology | RS-485 linear bus with termination |
| Maximum Cable Length | 1200 meters at 9.6 kbps, 200 meters at 12 Mbps |
| Network Nodes | Up to 126 stations (including master) |
| Cyclic Data Exchange | 244 bytes input, 244 bytes output per module |
| Acyclic Data Exchange | Supports PROFIBUS DPV1 extensions |
| Communication Port | 1x DB-9 connector (RS-485) |
| Configuration Port | USB mini-B for setup and diagnostics |
| Status Indicators | 5 LEDs (power, bus, configuration, error, comm) |
| Baud Rate Detection | Automatic baud rate detection on power-up |
| Dimensions (H x W x D) | 130 mm x 40 mm x 120 mm |
| Weight | 0.35 kg |
| Power Consumption | 3.5 W from 5 V DC backplane |
| Operating Temperature | -10 °C to +55 °C |
| Storage Temperature | -40 °C to +85 °C |
| Relative Humidity | 10% to 90% non-condensing |
PROFIBUS-DP Communication Architecture
The module implements the PROFIBUS-DP protocol for deterministic fieldbus communication. It operates as a DP slave device under a class 1 master’s control. The ALP111-S01 supports transmission speeds from 9.6 kbps up to 12 Mbps. It automatically detects the network baud rate upon power-up. This auto-detection simplifies integration into existing PROFIBUS networks considerably. The module manages cyclic data exchange with 244 bytes of input and 244 bytes of output. It also supports DPV1 acyclic services for parameterization and diagnostics. This architecture suits both process automation and manufacturing applications effectively.
Data Exchange and I/O Mapping
The module facilitates efficient data transfer between the host controller and field devices. Cyclic data exchange occurs within the PROFIBUS network’s deterministic scan cycle. The ALP111-S01 maps process data directly to Yokogawa controller memory. Users configure this mapping through the configuration software conveniently. The module handles both analog and digital data types without additional conversion. Acyclic communication supports read/write access to device parameters and diagnostics. This comprehensive data exchange enables complete integration of PROFIBUS devices into Yokogawa systems.
Physical Interface and Network Connectivity
The module provides a standard DB-9 connector for PROFIBUS network connection. This connector follows the RS-485 interface specification for industrial fieldbuses. The ALP111-S01 includes onboard bus termination resistors for network integrity. Users enable or disable these terminations through a simple switch. An additional USB mini-B port supports module configuration and diagnostics. Engineers connect a laptop to this port for initial setup and troubleshooting. LED indicators display power status, bus activity, and communication errors clearly. These features simplify network installation and system commissioning.
Diagnostics and Configuration Tools
The module offers comprehensive diagnostic capabilities for network troubleshooting. It monitors bus activity, communication errors, and device status continuously. The ALP111-S01 reports diagnostic information to the host controller and configuration tool. Users can access detailed diagnostic data through the USB port. This data includes network statistics, error counters, and device-specific information. The module stores configuration parameters in non-volatile memory for retention. Diagnostic features help identify cable issues, configuration mismatches, and device faults quickly.
Mechanical Construction and Installation
The module features a compact form factor for space-efficient control cabinets. It measures 130 millimeters high, 40 millimeters wide, and 120 millimeters deep. The unit weighs 0.35 kilograms for convenient handling and installation. Power consumption reaches 3.5 watts from the 5 V DC backplane supply. The module inserts directly into the Yokogawa Centum VP or ProSafe-RS chassis. No additional mounting hardware or external power is required. A standard D-sub connector provides fieldbus network access without special cabling.
Environmental Specifications and Operational Reliability
Industrial environments demand stable operation under varied temperature conditions. The ALP111-S01 operates reliably from -10 °C to +55 °C ambient temperature. Storage conditions extend from -40 °C to 85 °C for shipping protection. Humidity tolerance covers 10% to 90% without condensation affecting circuits. The module includes transient suppression on the PROFIBUS interface for surge protection. Quality components ensure long-term reliability in continuous process applications. These features make the module suitable for demanding industrial and process environments.
Details
| Weight | 0.35 kg |
|---|---|
| Dimensions | 130 × 120 × 40 mm |
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