9440/15-01-11 Overview
The STAHL 9440/15-01-11 is a CPU & Power Module designed for Zone 2 hazardous areas. It supplies intrinsically safe power to up to 16 IS1+ I/O modules and communicates via PROFIBUS DP or Modbus RTU, supporting system redundancy and asset management integration.
Control & Communication of STAHL 9440/15-01-11
Hazardous Area Network: Designed for Class I, Division 2 / Zone 2 hazardous locations.
Fieldbus Interface: Provides nonincendive RS485 interface for PROFIBUS DP V1/V0 HART or Modbus RTU communication.
System Connectivity: Supports optical ring network topologies for reliable data transmission.
Redundancy Support: Enables system redundancy configurations to enhance control availability.
Asset Management: Integrates with plant asset management systems via ServiceBus and FDT/DTM.
Control Capability: Serves as the master unit, controlling and powering up to 16 connected IS1+ I/O modules.
FAQ
Q1: What hazardous locations is the STAHL 9440/15-01-11 CPU & Power Module suitable for?
A1: It is suitable for Class I, Division 2, Group A-D or Class I, Zone 2, Group IIC/IIB hazardous locations.
Q2: What is the input voltage range of the STAHL 9440/15-01-11 module?
A2: Its input voltage range is 24 V DC (20 V … 35 V DC).
Q3: What data interfaces does the STAHL 9440/15-01-11 provide?
A3: It provides intrinsically safe BusRail and nonincendive RS485 interfaces.
Q4: How many IS1+ I/O modules can the STAHL 9440/15-01-11 supply power to?
A4: It can supply power to up to 16 IS1+ I/O modules and field circuits.
Q5: Does the STAHL 9440/15-01-11 support system redundancy?
A5: Yes, it supports system redundancy and optical rings.






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