Foxboro P0915PG Digital Input Module | I/A Series DCS

Product Description

The Foxboro P0915PG isolated digital input module is engineered for reliable acquisition of discrete field signals within the Foxboro I/A Series Distributed Control System. Designed with channel-to-system isolation, it ensures stable signal transmission in electrically noisy industrial environments.

This module supports eight independent input channels, each capable of receiving standard 24 VDC discrete signals from field devices such as limit switches, pushbuttons, and relay contacts. Its galvanic isolation architecture enhances operational safety while minimizing the risk of signal interference or ground loop issues.

Built for continuous process control applications, the module delivers consistent performance with fast response times and robust environmental tolerance, making it suitable for critical industrial systems.

Technical Specifications

General Information

• Model: P0915PG

• Manufacturer: Foxboro 

• Product Type: Digital Input Module

• System Compatibility: Foxboro I/A Series DCS

Input Characteristics

• Number of Channels: 8 isolated inputs

• Signal Type: Discrete (ON/OFF)

• Rated Input Voltage: 24 VDC nominal

• Input Current: Approx. 4–6 mA per channel

• Input Logic Threshold: IEC-compliant industrial levels

Isolation & Protection

• Channel-to-System Isolation: 1500 VDC

• Isolation Type: Optical or galvanic isolation (design-dependent)

• Noise Immunity: High resistance to EMI/RFI interference

• Protection: Overvoltage and transient suppression (internal)

Performance Parameters

• Typical Response Time: 8–12 ms

• Signal Filtering: Built-in debounce for stable switching

• Update Rate: Suitable for real-time control monitoring

Environmental Conditions

• Operating Temperature: 0°C to +60°C

• Storage Temperature: –40°C to +85°C

• Humidity Range: 5% to 95% RH (non-condensing)

• Compliance: Industrial environmental standards

Mechanical Details

• Dimensions: 147 mm × 51.5 mm × 114 mm

• Weight: 0.8 kg

• Mounting Method: DCS baseplate or DIN rail (system dependent)

• Housing: Industrial-grade enclosure for harsh environments

Key Features

• Eight isolated digital input channels for reliable signal acquisition

• High 1500 VDC isolation enhances safety and system integrity

• Fast response time optimized for process automation

• Integrated noise suppression for stable signal processing

• Compatible with Foxboro I/A Series control architecture

Applications

• Process industries including oil & gas and petrochemicals

• Power generation and energy systems

• Manufacturing and plant automation

• Monitoring of discrete field devices and safety interlocks

FAQ

Q: What types of signals can the P0915PG handle?
A: It is designed for 24 VDC discrete input signals such as dry contacts, limit switches, and relay outputs.

Q: Does this module provide channel isolation?
A: Yes, each input channel is isolated from the system, ensuring protection against electrical noise and faults.

Q: Is it compatible with all Foxboro systems?
A: It is specifically designed for the Foxboro I/A Series DCS and should be used within that architecture.