Phoenix MACX MCR-SL Series: NAMUR Sensor & Signal Conditioning Modules - Selection Guide
Product Overview
The Phoenix MACX MCR-SL Series focuses on NAMUR sensor integration and precision signal conditioning for industrial automation. Covering single/dual-channel NAMUR interfaces (relay output, temperature-compensated, switching output), high-voltage/low-power current isolation, and specialized CAC-series signal conversion, these modules ensure reliable signal processing between NAMUR sensors (proximity switches, safety sensors) and control systems (PLC/DCS). Featuring ultra-compact 6.2mm width, universal 24V DC power supply, pluggable (SP) or fixed terminals, and compliance with EN 60947-5-6 (NAMUR standard), they excel in space-constrained control cabinets. Ideal for process control, manufacturing, and hazardous area-compatible setups, they deliver noise-free, accurate signal transmission for critical industrial applications.
Model Quick Reference Table
1. Single-Channel NAMUR Interface Modules
| Model No. | Product Name | Function Type | Core Features | Application Scenarios |
|---|---|---|---|---|
| 2924252 | MACX MCR-SL-NAM-R-SP | NAMUR Relay Output | 1-channel NAMUR input, relay output, pluggable (SP) | NAMUR sensor-triggered load control + easy maintenance |
| 2865997 | MACX MCR-SL-NAM-R | NAMUR Relay Output | 1-channel NAMUR input, relay output, fixed terminals | Standard NAMUR sensor-relay integration |
| 2924278 | MACX MCR-SL-NAM-2T-SP | NAMUR Temperature-Compensated | 1-channel NAMUR input, temperature-compensated, SP | Temperature-stable NAMUR signal processing |
| 2865023 | MACX MCR-SL-NAM-2T | NAMUR Temperature-Compensated | 1-channel NAMUR input, temperature-compensated | Industrial NAMUR sensors in variable-temperature environments |
| 2924265 | MACX MCR-SL-NAM-2RO-SP | NAMUR 2-Output Relay | 1-channel NAMUR input, 2-relay outputs, SP | Dual-load control via single NAMUR sensor |
| 2865010 | MACX MCR-SL-NAM-2RO | NAMUR 2-Output Relay | 1-channel NAMUR input, 2-relay outputs | Standard dual-load NAMUR sensor control |
2. Dual-Channel NAMUR Interface Modules
| Model No. | Product Name | Function Type | Core Features | Application Scenarios |
|---|---|---|---|---|
| 2924281 | MACX MCR-SL-2NAM-T-SP | Dual NAMUR Temperature-Compensated | 2-channel NAMUR input, temperature-compensated, SP | Multi-NAMUR sensor temperature-stable signal acquisition |
| 2865036 | MACX MCR-SL-2NAM-T | Dual NAMUR Temperature-Compensated | 2-channel NAMUR input, temperature-compensated | Dual NAMUR sensors in variable-temperature industrial setups |
| 2924304 | MACX MCR-SL-2NAM-R-UP-SP | Dual NAMUR Relay (Upgraded) | 2-channel NAMUR input, upgraded performance, SP | High-reliability dual NAMUR sensor-relay control |
| 2865052 | MACX MCR-SL-2NAM-R-UP | Dual NAMUR Relay (Upgraded) | 2-channel NAMUR input, upgraded performance | Critical dual NAMUR sensor integration |
| 2924294 | MACX MCR-SL-2NAM-RO-SP | Dual NAMUR 2-Output Relay | 2-channel NAMUR input, 2-relay outputs each, SP | Quad-load control via two NAMUR sensors |
| 2865049 | MACX MCR-SL-2NAM-RO | Dual NAMUR 2-Output Relay | 2-channel NAMUR input, 2-relay outputs each | Standard quad-load NAMUR sensor control |
3. Current Isolation & CAC Series Modules
| Model No. | Product Name | Function Type | Core Features | Application Scenarios |
|---|---|---|---|---|
| 2905279 | MACX MCR-SL-I-I-ILP-SP | Low-Power Current Isolator | 2-channel current isolation, low power (ILP), SP | Low-consumption signal isolation for industrial sensors |
| 2905278 | MACX MCR-SL-I-I-ILP | Low-Power Current Isolator | 2-channel current isolation, low power (ILP) | Energy-saving signal processing in compact systems |
| 2907705 | MACX MCR-SL-I-I-HV-ILP-SP | High-Voltage Low-Power Isolator | 2-channel current isolation, HV compatibility, ILP, SP | High-voltage system low-power signal isolation |
| 2907704 | MACX MCR-SL-I-I-HV-ILP | High-Voltage Low-Power Isolator | 2-channel current isolation, HV compatibility, ILP | High-voltage industrial signal processing |
| 2924223 | MACX MCR-SL-IDSI-I-SP | Digital-to-Current Isolator | Digital input → current output, isolated, SP | Digital-to-analog signal conversion + isolation |
| 2865971 | MACX MCR-SL-IDSI-I | Digital-to-Current Isolator | Digital input → current output, isolated | Standard digital-to-analog signal conversion |
| 2810625 | MACX MCR-SL-CAC-5-I-UP | CAC 5V Signal Converter (Upgraded) | 5V signal conditioning, upgraded performance | 5V sensor signal refinement for control systems |
| 2810638 | MACX MCR-SL-CAC-12-I-UP | CAC 12V Signal Converter (Upgraded) | 12V signal conditioning, upgraded performance | 12V sensor signal refinement for industrial control |
| 2810612 | MACX MCR-SL-CAC-5-I | CAC 5V Signal Converter | 5V signal conditioning | Basic 5V sensor signal processing |
Core Technical Specifications (Universal)
| Parameter | Value | Notes |
|---|---|---|
| Supply Voltage | 24V DC (19.2~30V DC) | Universal industrial power supply |
| Isolation Voltage | 3kV (input-output-supply) | Anti-interference, protects control systems |
| NAMUR Compatibility | EN 60947-5-6 | Works with standard NAMUR sensors (2-wire) |
| Operating Temperature | -25℃~70℃ | Adapts to harsh industrial environments |
| Mounting Type | 35mm DIN rail (NS 35/7.5) | 6.2mm width for space-saving |
| Terminal Type | Fixed screw / Pluggable (SP models) | SP models enable tool-free terminal replacement |
| Conversion Accuracy | ≤±0.1% FS (precision models) | Precise signal processing for critical measurements |
| Response Time | ≤1ms (current signals); ≤10ms (NAMUR signals) | Fast signal transmission for real-time control |
| Protection Class | IP20 (cabinet mounting) | Dust-proof, suitable for control cabinets |
| Certifications | CE, UL, CSA, EN 61010-1 | Global industrial compliance |
| Power Consumption | ≤0.3W per channel (ILP models); ≤0.5W per channel (standard) | Low heat generation for dense mounting |
Application Scenarios & Recommended Models
1. Single NAMUR Sensor Integration
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Requirement: Basic NAMUR sensor-relay control, easy maintenance
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Recommended Model: 2924252 (MACX MCR-SL-NAM-R-SP)
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Key Reason: Pluggable (SP) terminals simplify wiring updates; NAMUR-compliant for standard proximity switches
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Requirement: Temperature-stable NAMUR signal processing
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Recommended Model: 2924278 (MACX MCR-SL-NAM-2T-SP)
-
Key Reason: Temperature compensation ensures signal stability in variable-temperature environments
2. Dual NAMUR Sensor Control
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Requirement: High-reliability dual NAMUR sensor-relay integration
-
Recommended Model: 2924304 (MACX MCR-SL-2NAM-R-UP-SP)
-
Key Reason: Upgraded (UP) performance + SP terminals for critical dual-sensor setups
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Requirement: Quad-load control via two NAMUR sensors
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Recommended Model: 2924294 (MACX MCR-SL-2NAM-RO-SP)
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Key Reason: 2-relay outputs per channel, supporting four independent loads
3. High-Voltage/Low-Power Signal Isolation
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Requirement: High-voltage system low-power signal processing
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Recommended Model: 2907705 (MACX MCR-SL-I-I-HV-ILP-SP)
-
Key Reason: HV compatibility + low power (ILP) for energy-saving high-voltage applications
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Requirement: Digital-to-current signal conversion with isolation
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Recommended Model: 2924223 (MACX MCR-SL-IDSI-I-SP)
-
Key Reason: Isolated conversion eliminates interference; SP terminals ease maintenance
4. 5V/12V Sensor Signal Conditioning
- Requirement: Upgraded 12V sensor signal refinement
- Recommended Model: 2810638 (MACX MCR-SL-CAC-12-I-UP)
- Key Reason: Upgraded (UP) performance ensures precise 12V signal processing
Core Advantages
- NAMUR Standard Compliance: EN 60947-5-6 compatibility for seamless integration with NAMUR sensors
- Dual-Channel Flexibility: Single/dual-channel options fit small-to-large sensor arrays
- Functional Versatility: Temperature compensation, low power (ILP), high-voltage (HV) variants adapt to diverse needs
- Ultra-Compact Design: 6.2mm width maximizes dense control cabinet utilization
- Flexible Terminals: Pluggable (SP) and fixed terminals balance maintenance ease and cost-efficiency
- Industrial-Grade Reliability: 3kV isolation + wide temperature range resists interference and harsh conditions
- Precise Signal Processing: ≤±0.1% accuracy ensures reliable data for critical control
Installation & Usage Notes
- Voltage Matching: Ensure supply voltage is 24V DC (19.2~30V DC); reverse polarity protection is built-in
- NAMUR Sensor Compatibility: Verify NAMUR sensors meet EN 60947-5-6 standards for proper integration
- Terminal Selection: Choose SP models for systems requiring frequent wiring changes; fixed terminals for cost-sensitive setups
- Mounting Spacing: Reserve ≥3mm between modules for heat dissipation (critical in dense cabinet layouts)
- Wiring Specifications: Use shielded cables for NAMUR/signal lines to reduce EMI; separate power and signal wiring by ≥10mm
- Temperature Compensation: Deploy T-suffixed models in environments with temperature fluctuations (±10℃+)
- High-Voltage Caution: For HV models, use high-voltage-rated cables and ensure proper insulation to avoid arcing
Phoenix MACX MCR-SL Series: NAMUR Sensor & Signal Conditioning Modules - Selection Guide
