This DCS input module provides accurate signal acquisition for distributed control system applications. It converts field sensor data into reliable digital values for process monitoring. We engineered the Schneider ASPAPS201 specifically for the Foxboro I/A Series DCS platform. This module handles a wide range of analog and digital input signals. It ensures precise measurement for critical process variables and control loops. Therefore, your DCS receives dependable field data for informed operational decisions.
Physical Configuration and System Integration
The Schneider ASPAPS201 features a modular form factor for the Foxboro FBM mounting system. Its dimensions measure 170.0 mm in height, 35.0 mm in width, and 165.0 mm in depth. The module weighs approximately 0.5 kilograms for straightforward installation procedures. This unit mounts directly onto the DCS fieldbus termination assembly. It connects to the system via the standard FBM backplane connector. The module provides LED indicators for power, communication, and channel status.
Input Specifications and Signal Processing
This input module offers 8 isolated input channels for versatile field connectivity. Each channel accepts voltage, current, and thermocouple signals. The Schneider ASPAPS201 provides 16-bit analog-to-digital conversion for exceptional measurement resolution. It features programmable input ranges and filtering for application flexibility. The module includes automatic cold junction compensation for thermocouple inputs. It supports HART protocol communication for smart device integration. Consequently, this provides comprehensive signal conditioning within a single module.
Detailed Technical Specifications and Interface Details
We outline the module’s comprehensive technical parameters and operational capabilities below.
| Specification | Detail |
|---|---|
| Part Number | Schneider ASPAPS201 |
| Product Category | DCS Input Module |
| Dimensions (H x W x D) | 170.0 mm x 35.0 mm x 165.0 mm |
| Module Weight | Approximately 0.5 kg (1.10 lbs) |
| Number of Input Channels | 8 isolated inputs |
| Input Signal Types | 4-20 mA, 0-10 V, TC (J, K, T), RTD |
| Input Impedance | 250 Ω (current), > 1 MΩ (voltage) |
| Resolution | 16-bit ADC |
| Accuracy | ±0.1% of full scale at 25°C |
| Temperature Drift | ±75 ppm/°C maximum |
| Filtering | Programmable (50/60 Hz rejection) |
| Common Mode Rejection | > 100 dB |
| Isolation Voltage | 1500 VAC (field to logic) |
| HART Support | HART 5, HART 7 compatible |
| Cold Junction Compensation | Automatic (internal sensor) |
| Diagnostic Features | Open/short detection, over-range detection |
| Field Wiring Connector | 40-pin D-sub connector |
| Bus Interface | Foxboro FBM backplane |
| Diagnostic Indicators | RUN, COM, CH status LEDs |
| Power Supply Voltage | 24 VDC (field power) |
| Power Consumption | 3 W typical |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Storage Temperature | -40°C to 85°C (-40°F to 185°F) |
| Compliance | CE, UL, CSA, RoHS |
Details
| Weight | 0.5 kg |
|---|---|
| Dimensions | 170 × 35 × 165 mm |
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