The Yokogawa ALP121-S00 is a PROFIBUS-DP communication module that functions as a master device. It ensures seamless communication and data exchange with PROFIBUS-DP slave devices. Compatible with a range of field control units and ESB bus node units, it can also integrate with PROFIBUS-PA devices using a DP/PA coupler.

Key Features and Benefits

• Versatile Compatibility: Mounts on various field control units and ESB bus node units. It connects to PROFIBUS-PA devices using a DP/PA coupler.
• Robust Communication: Provides reliable communication with PROFIBUS-DP slave devices, including remote I/O, PLCs, and HART devices.
• Enhanced Data Exchange: Ensures smooth data transfer between master and slave devices, enhancing system performance.
• Flexible Configuration: Supports different communication speeds and distances for customized application requirements.
• Certified Compliance: Meets PROFIBUS DP-V1 standards for compatibility and interoperability with other PROFIBUS devices.

Technical Specifications

• Model: ALP121
• Interface: PROFIBUS-DP
• Connection Method: EIA-RS-485 compliant
• Signal Isolation: Isolated between field and system
• Transmission Speed: 9600 bps to 12 Mbps
• Maximum Transmission Distance: 1.2 km (at 9600 bps)
• Number of Communication Ports: One
• Other: Supports HART devices and PROFIBUS-PA devices via DP/PA coupler

Applications

The ALP121-S00 is widely used in:

• Process control
• Factory automation
• Building automation
• Oil and gas
• Water and wastewater treatment