Industrial machine vibration monitoring sensor Amphenol PC420ATP-05-DA dual output loop powered acceleration sensor
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Product Description
Product Overview
The Wilcoxon PC420A-DA series are dual output, loop-powered acceleration sensors designed for continuous 24/7 monitoring of overall machine vibration. These sensors integrate easily into existing PLC, DCS, or SCADA systems, providing dynamic signal output for in-depth analysis and enabling trending of machine conditions to guide maintenance efforts. Users can select between peak equivalent, true RMS, or true peak output to best fit their industrial requirements. The 4-20 mA output is proportional to acceleration vibration, derived from an internal buffered amplifier that requires loop power.
Product Attributes
- Brand: Wilcoxon Sensing Technologies (An Amphenol Company)
- Origin: USA
- Certifications: Manufactured in an approved ISO 9001 facility
- Material: 316L stainless steel case
- Sealing: Hermetic
- Sensing Element Design: PZT ceramic / shear
- Output Connector: 3 pin, MIL-C-5015 style
- Mating Connector: R6G type
- Recommended Cabling: J9T3A (3-conductor shielded, yellow Teflon jacket)
- Accessories Supplied: SF6 mounting stud; calibration data (level 2)
Technical Specifications
| Specification | Value |
|---|---|
| Model Series | PC420A-DA |
| Output Type | 4-20 mA loop powered with dynamic vibration output |
| 4-20 mA Output Options | Peak equivalent, True RMS, True Peak |
| Dynamic Output Sensitivity | 100 mV/g ( 10%) |
| Dynamic Output Full Scale | 20 g |
| Dynamic Output Frequency Response | 2.5 Hz - 10 kHz ( 3 dB) |
| Dynamic Output Amplitude Nonlinearity (max) | 1% |
| Dynamic Output Resonant Frequency (mounted, nominal) | 25 kHz |
| Dynamic Output Transverse Sensitivity (max) | 5% |
| Dynamic Output Noise (equiv. g, 2.5 Hz - 10 kHz) | 2 mg |
| Dynamic Output Bias Voltage | +3.3 VDC (re: connector pin B) |
| 4-20 mA Output Full Scale | 20 mA ( 5%) |
| 4-20 mA Frequency Response | 10 Hz - 1.0 kHz ( 10%); 4.0 Hz - 2.0 kHz ( 3 dB) |
| Repeatability | 2% |
| Transverse Sensitivity (max) | 5% |
| Power Requirements (2-wire loop power) | 12 - 30 VDC at sensor terminals |
| Turn on time (4-20 mA loop) | < 30 sec |
| Loop Resistance at 24 VDC (max) | 700 |
| Grounding | Case isolated, internally shielded |
| Temperature Range | 40 to +85C |
| Vibration Limit | 250 g peak |
| Shock Limit | 2,500 g peak |
| Weight | 162 grams |
| Mounting | 1/4-28 tapped hole |
| Dimensions | 1.12" dia. x 2.12" (body length) |
| Connector Pin A | Loop positive (+) |
| Connector Pin B | Loop negative (), dynamic common |
| Connector Pin C | Dynamic output |
| Shell Connection | Ground |
Model Selection Guide (PC42Ax-yy-DA)
| Model Suffix (x) | 4-20 mA Output Type | Model Suffix (yy) | 4-20 mA Full Scale | Dynamic Output Type |
|---|---|---|---|---|
| R | RMS output | 05 | 5 g (49 m/sec) | Acceleration, 100 mV/g |
| P | Calculated peak output | 10 | 10 g (98 m/sec) | |
| TP | True peak output | 20 | 20 g (196 m/sec) |
Loop Resistance Calculation Notes
- Max RL (resistance): (DC supply voltage - 10 V) / 20 mA
- Min RL (wattage capability): Determined by (0.0004 x RL)
- Example: At 24 VDC, Max RL = 700 , Min RL wattage = 1/2 watt
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