BMXXBP1002 | Schneider Modicon | 8-Channel Analog Safety Input Module

Schneider Electric 140SAI94000S Modicon Quantum Analog Input Module — 16-Channel, 4–20mA, HART Compatible

The 140SAI94000S is a 16-channel analog current input module for Schneider Electric's Modicon Quantum automation platform. It accepts 4–20 mA current loop signals from field transmitters and sensors, with HART protocol compatibility for smart device communication. The module provides per-channel isolation, comprehensive diagnostics, and high-resolution A/D conversion for precise process control applications.

Key Specifications

• Manufacturer: Schneider Electric
• Series: Modicon Quantum
• Type: Analog Input Module (Current)
• Channels: 16 single-ended inputs
• Input Signal: 4–20 mA (standard); 0–20 mA (configurable)
• Input Impedance: 250 Ω (standard for 4–20 mA)
• Resolution: 16-bit A/D conversion
• Accuracy: ±0.15% of full scale (typical)
• Update Rate: 10 ms per channel (typical)
• Isolation: Per-channel galvanic isolation (channel-to-channel and channel-to-bus)
• HART Compatibility: Yes — supports HART protocol communication over 4–20 mA loop
• Input Protection: Overvoltage, reverse polarity, surge protection
• Bus Current Required: 400 mA typical
• Power Dissipation: 4.5 W typical
• Address Requirement: 16 input words
• LED Indicators: Active (green), F (red — external fault), per-channel status LEDs
• Mounting: Quantum backplane slot
• Dimensions: 27 × 10 × 4.5 cm (L × W × H) [standard Quantum module format]
• Weight: 0.45 kg (0.99 lb)
• Operating Temperature: 0°C to +60°C
• Storage Temperature: -40°C to +85°C
• Certifications: CE, UL, CSA
• Status: Active / In production

Architecture & Functionality

• 16-Channel Design: Each channel independently configurable for 4–20 mA or 0–20 mA input range
• HART Protocol Support: Enables digital communication with smart transmitters for remote configuration, diagnostics, and multivariable data access over the existing 4–20 mA analog loop
• Per-Channel Isolation: Galvanic isolation protects the PLC from field-side ground loops and electrical noise
• High Resolution: 16-bit A/D converter provides precise measurement for critical process control
• Fast Update Rate: 10 ms per channel ensures responsive control for fast-changing process variables
• Comprehensive Diagnostics: Open wire detection, overrange/underrange detection, and HART device status monitoring
• Input Protection: Built-in protection against overvoltage, reverse polarity connection, and surge transients

Installation Guide

1. Install the 140SAI94000S into a standard I/O slot on the Quantum backplane.
2. Connect 4–20 mA field transmitters to the module terminals using shielded twisted-pair cable.
3. Ensure shield grounding at one end only to prevent ground loops.
4. For HART devices, connect HART communicator or asset management software to the loop.
5. Configure input range, filtering, and HART parameters via Unity Pro or Concept programming software.
6. Power on and verify Active LED (green) and channel status LEDs.
7. Monitor F LED (red) for external fault indication.
8. Calibrate channels as required for your specific application.

FAQ

Q: What is the difference between 140SAI94000 and 140SAI94000S?
A: 140SAI94000 is the base version. 140SAI94000S is the S-version with firmware updates or component enhancements. Both are functionally compatible; the S-version may include improved HART compatibility or diagnostic features.

Q: Does 140SAI94000S support HART protocol?
A: Yes. The module is HART-compatible, enabling digital communication with smart transmitters over the 4–20 mA analog loop.

Q: What is the maximum number of HART devices per module?
A: Up to 16 HART devices (one per channel) can be connected simultaneously.

Q: Can I use 140SAI94000S with voltage signals (0–10V, ±10V)?
A: No. 140SAI94000S is a current input module (4–20 mA / 0–20 mA) only. For voltage inputs, use 140AVI03000 (8-channel voltage input) or 140ACI03000 (16-channel current/voltage input).

Q: Is 140SAI94000S compatible with M580?
A: No. 140SAI94000S is designed for Modicon Quantum racks. M580 uses different analog input modules (e.g., BMXAMI0810).

Q: What wire type is recommended?
A: Use shielded twisted-pair cable (typically #18–#22 AWG) for 4–20 mA signals. Ground the shield at one end only (typically at the panel ground).

Selection Tips

• Quantum, 16-channel 4–20mA, HART: 140SAI94000S
• Quantum, 16-channel 4–20mA, no HART: 140ACI03000
• Quantum, 8-channel voltage (±10V): 140AVI03000
• Quantum, 8-channel RTD/TC: 140ARI03010
• Always verify: Signal type (current vs voltage), HART requirement, channel count, and isolation needs before ordering
• Order compatible terminal block: 140XTS00200 screw terminal block (40 contacts, ordered separately)
• For HART applications: Ensure HART communicator or asset management software is available