Yokogawa ALP111 PROFIBUS-DP Communication Interface Module for CENTUM VP Distributed Control Systems
Yokogawa ALP111 PROFIBUS-DP Communication Interface Module for CENTUM VP Distributed Control Systems
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Brand:Yokogawa Electric Item No.:Yokogawa ALP111 Product Origin:Japan Product Dimensions:260 × 180 × 60 mm Product Weight:0.30 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Yokogawa ALP111 is a PROFIBUS-DP communication interface module designed to enable high-speed industrial data exchange between Yokogawa distributed control systems and PROFIBUS-DP field devices. Acting as a PROFIBUS-DP master interface, the module allows controllers to communicate seamlessly with remote I/O stations, PLCs, drives, and intelligent field devices across a reliable industrial network.
Engineered for integration with Yokogawa’s CENTUM CS 3000 and CENTUM VP systems, the ALP111 provides deterministic communication and flexible connectivity for complex process automation environments. It supports high transmission speeds and long communication distances, making it suitable for large-scale industrial plants requiring stable and synchronized device communication.
Technical Specifications
Parameter
Specification
Model
ALP111
Product Type
PROFIBUS-DP Communication Module
Communication Protocol
PROFIBUS-DP
Communication Role
PROFIBUS-DP Master
Communication Interface
EIA-RS-485
Communication Port
1 × D-Sub 9-pin (female)
Maintenance Port
D-Sub 9-pin (male), RS-232C
Transmission Speed
9.6 kbps – 12 Mbps
Maximum Transmission Distance
Up to 1.2 km per segment (at 9600 bps)
Signal Isolation
Electrical isolation for protection
Maximum Current Consumption
Approx. 0.7 A
Operating Temperature
−10°C to +60°C
Storage Temperature
−25°C to +70°C
Dimensions (L × W × H)
260 × 180 × 60 mm
Weight
0.30 kg
The ALP111 module communicates with PROFIBUS-DP slave devices and integrates field equipment into Yokogawa control architectures, enabling efficient data exchange between controllers and distributed field instrumentation.
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Applications
The ALP111 communication module is commonly used in:
Distributed process control systems
PROFIBUS-DP field device integration
Remote I/O networking
PLC and drive system communication
Industrial automation plants such as petrochemical, energy, and manufacturing
By enabling direct communication with PROFIBUS-DP devices, the module allows centralized controllers to monitor and control field instruments efficiently while maintaining deterministic communication performance.
Advantages
High-Speed Industrial Communication
Supports PROFIBUS-DP data transfer rates up to 12 Mbps, ensuring rapid exchange of process data and control signals.
Reliable Field Network Connectivity
RS-485 communication with shielded transmission paths helps maintain signal integrity in electrically noisy industrial environments.
Seamless Integration with Yokogawa DCS
Designed specifically for CENTUM VP and CENTUM CS 3000 systems, ensuring straightforward configuration and deployment.
Long-Distance Network Capability
Supports communication distances up to 1.2 km per segment, ideal for large industrial facilities.
Industrial-Grade Durability
Electrical isolation and robust design provide stable operation under demanding process conditions.
Technical FAQs
1. What is the primary function of the ALP111 module?
It provides PROFIBUS-DP master communication between Yokogawa controllers and PROFIBUS-DP slave devices.
2. Which systems support the ALP111?
It integrates with Yokogawa CENTUM VP and CENTUM CS 3000 distributed control systems.
3. What communication protocol does it use?
The module uses the PROFIBUS-DP industrial fieldbus protocol.
4. What is the maximum communication speed?
It supports data transmission rates from 9.6 kbps up to 12 Mbps.
5. What type of connector is used for the PROFIBUS interface?
A 9-pin D-Sub connector is used for the communication port.
6. Can it communicate with remote I/O devices?
Yes, it exchanges process data with PROFIBUS-DP slave devices including remote I/O modules and PLC systems.
7. What is the maximum communication distance?
Up to 1.2 km per segment at 9600 bps depending on network configuration.
8. Is electrical isolation included?
Yes, the module includes signal isolation to improve safety and reliability.
9. What industries commonly use the ALP111?
Oil & gas, chemical processing, power generation, and large-scale manufacturing facilities.
10. Can the ALP111 be used in large distributed automation systems?
Yes. It is specifically designed to integrate PROFIBUS field devices into large DCS architectures.
