PC420ATP WILCOXON | Alldatasheet

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Wilcoxon Sensing Technologies 8435 Progress Drive Frederick, MD 21701 USA An Amphenol Company Note: Due to continuous process improvement, specifications are subject to change without notice. This document is cleared for public release. Tel: +1 (301) 330-8811 Fax: +1 (301) 330-8873 info@wilcoxon.com buy.wilcoxon.com www.wilcoxon.com 98819 Rev.C.1 09/18 PC420ATP series True peak acceleration loop powered sensors Key features

  • True peak output helps detect high-frequency impacts on reciprocating machines
  • Intrinsically safe certified and explosion-proof models available
  • Easily integrated into existing process control systems
  • Manufactured in an approved ISO 9001 facility Certifications Wilcoxon’s PC420ATP series sensors provide 24/7 output of true peak acceleration, allowing for continuous trending of overall machine vibration in process control systems. True peak output is particularly useful in detecting loose parts on reciprocating machinery. The trend data alerts users to changing machine conditions and helps guide maintenance in prioritizing the need for service. 4-20 mA output type yy (4-20 mA full scale) ATP = True peak output, acceleration 05 = 5 g 10 = 10 g 20 = 20 g Table 1: PC420ATP-yy model selection guide

Wilcoxon Sensing Technologies 8435 Progress Drive Frederick, MD 21701 USA An Amphenol Company Note: Due to continuous process improvement, specifications are subject to change without notice. This document is cleared for public release. 98819 Rev.C.1 09/18 PC420ATP series True peak acceleration loop powered sensors SPECIFICATIONS Accessories supplied: SF6 mounting stud (metric mounting available); calibration data (level 2) Full scale, 20 mA, ± 5% see Table 1 on page 1 Frequency response: ± 10% ± 3 dB 10 Hz - 1.0 kHz 4.0 Hz - 2.0 kHz Repeatability ± 2% Transverse sensitivity, max 5% Power requirements (2-wire loop power): Voltage at sensor terminals 12 - 30 VDC Loop resistance1 at 24 VDC, max 700 Ω Turn on time, 4-20 mA loop < 30 seconds Grounding case isolated, internally shielded Temperature range –40° to +85° C Vibration limit 250 g peak Shock limit 2,500 g peak Sealing hermetic Sensing element design PZT, shear Weight 162 grams Case material stainless steel Mounting 1/4-28 tapped hole Output connector 2 pin, MIL-C-5015 style Mating connector R6 type Recommended cabling J9T2A Connections Function Connector pin loop positive (+) A loop negative (–) B ground shell Tel: +1 (301) 330-8811 Fax: +1 (301) 330-8873 info@wilcoxon.com buy.wilcoxon.com www.wilcoxon.com Notes: 1 Maximum loop resistance (RL) can be calculated by: RL =

2 Lower resistance is allowed, greater

than 10 Ω recommended.

3 Minimum RL wattage determined by:

(0.0004 x RL). DC supply voltage RL (max resistance)2 RL (minimum wattage capability)3

12 VDC 100 Ω 1/8 watt

20 VDC 500 Ω 1/4 watt

24 VDC 700 Ω 1/2 watt

26 VDC 800 Ω 1/2 watt

30 VDC 1,000 Ω 1/2 watt

VDC power – 10 V 20 mAT ypic al cir cuit Model PC420V DC powe r suppl yR L Signal measuring equipment Pin A, 4-20 plus Pin B, 4-20 minus PL C / DCS Model PC420ATP