Related Manuals for Emerson SC311
Summary of Contents for Emerson SC311
- Page 1 Reference Manual Part Number: MAN-0091, rev. 8 Release: June 2016 SC311 Infrared Combustible Gas Sensor...
- Page 3 Important Instructions Net Safety Monitoring, Inc (Net Safety) designs, manufactures and tests products to function within specific conditions. Because these products are sophisticated technical instruments, it is important that the owner and operation personnel must strictly adhere both to the information printed on the product nameplate and to all instructions provided in this manual prior to installation, operation, and maintenance.
- Page 4 Net Safety and the Net Safety logo are registered trademarks of Net Safety Monitoring, Inc. The Emerson logo is a trademark and service mark of the Emerson Electric Company. Copyright © 2016 by Rosemount, Shakopee, MN.
- Page 5 Warranty 1. Limited Warranty. Subject to the limitations contained in Section 10 (Limitation of Remedy and Liability) herein, Seller warrants that (a) the licensed firmware embodied in the Goods will execute the programming instructions provided by Seller; (b) that the Goods manufactured by Seller will be free from defects in materials or workmanship under normal use and care;...
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Page 6: Table Of Contents
Reference Manual Table of Contents MAN-0091, Revision 8 June 2016 Contents Section 1: Introduction ..............1 Models covered ........................1 Service support ........................1 Return of material ....................... 1 Product recycling/disposal ....................1 Section 2: Installation ................ 2 Unpacking and inspection ....................2 Locate sensor ........................ - Page 7 Table of Contents Reference Manual June 2016 MAN-0091, Revision 8 7.2.4 Repeatability ...................... 19 7.2.5 Detection Range ....................19 7.2.6 Calibration Frequency ..................19 7.2.7 Storage temperature ..................19 7.2.8 Operating temperature ..................19 7.2.9 Relative humidity ....................20 7.2.10 Enclosure material (housing) ................
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Page 8: Section 1: Introduction
Section 1: Introduction Models covered The SC311 infrared combustible gas sensor is designed specifically for use with Millennium II Transmitter (models M21, M22, or M2B). This sensor is both versatile and reliable for fast, accurate, and continuous monitoring of gases in extreme environments. -
Page 9: Section 2: Installation
Installation Reference Manual June 2016 MAN-0091, Revision 8 Section 2: Installation Unpacking and inspection Carefully remove all of the components from the packaging and verify them against the enclosed packing list. Inspect all components for any obvious damage such as broken or loose parts. If you find any components missing or damaged, notify your local Net Safety representative or the factory immediately. - Page 10 Readings should be accurate to the gas concentration applied taking into account the sensor accuracy specifications in Section 7.2.2. Figure 2-1 Sensor separation example Conduit Separation Junction Box Millennium II SC311 Sensor CCS-1 Calibration Cup Calibration Tubing Millennium II Transmitter Installation...
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Page 11: Dimensions
Installation Reference Manual June 2016 MAN-0091, Revision 8 Dimensions The following tables outline the dimensions of the sensor when connected to either the Millennium II Transmitter (Figure 2-2) or the Millennium II Basic Transmitter/Junction Box (Figure 2-3). Both the transmitter and sensor enclosures are offered in aluminum and stainless steel. Figure 2-2 Net Safety Millennium II (M21 or M22) enclosure and sensor dimensions Stainless Steel Aluminum... -
Page 12: Mounting
Mounting kit accessories are available to aid in mounting the detector to a flat surface or a pole. Contact your local Emerson Process Management representative for detailed information. The sensor must always be mounted vertically such that its mouth is pointed in the downward position... -
Page 13: Wiring
Installation Reference Manual June 2016 MAN-0091, Revision 8 Figure 2-4 SC311 Sensor mounted to Millennium II series transmitters Millennium II Transmitter Millennium II Basic Transmitter & Junction Box 3/4” NPT 3/4” NPT 3/4” NPT 3/4” NPT Locking Locking collar collar... -
Page 14: Sensor Separation Distance
Installation to transmitter or junction box The SC311 sensor is supplied with a 3/4” NPT male conduit connection and is intended to be mounted directly to an available 3/4” NPT conduit entry on a Millennium II Transmitter or remotely using a certified junction box. -
Page 15: External Ground
Installation Reference Manual June 2016 MAN-0091, Revision 8 Figure 2-6 Millennium II M21 sensor wiring 2.6.5 External ground In order to ensure proper operation of the sensor, an external ground is required. The external ground must be connected to the grounding point on the enclosure according to IECEx requirements. Refer to Figure 2-7 for grounding connection location. -
Page 16: Calibration
2.7.1 Gas curves Infrared gas sensors need to be set up for the target gas in the particular application. The SC311 has a number of primary gases available as shown in Table 2-2. - Page 17 Installation Reference Manual June 2016 MAN-0091, Revision 8 Table 2-2 Gas curves available Gas Curve Number Methane Propane* n-Butane* Iso-Pentane* n-Pentane* Ethane Iso-Butane* Ethylene Hexane* Propylene* *Indicates gases are not third party performance verified Installation...
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Page 18: Installation Checklist
Reference Manual Installation MAN-0091, Revision 8 June 2016 Installation checklist Review the following checklist prior to turning the power on to the sensor after installation has been completed: □ Ensure that the transmitter and sensor are properly and firmly mounted □... -
Page 19: Section 3: Operation
When power is applied to the sensor by the transmitter, a warm-up routine will begin and the sensor will be automatically tested to ensure proper functioning. The warm-up time for the SC311 sensor is typically ninety (90) seconds. Refer to the Millennium II transmitter manual (MAN-0076) or the Net Safety Millennium II Basic transmitter manual (MAN-0082) for status indicators during this period. -
Page 20: Millennium Ii Basic Transmitter Configuration
MAN-0091, Revision 8 June 2016 Millennium II Basic transmitter configuration When using the SC311 sensor with the Millennium II Basic transmitter, DIP switch on the transmitter should be set up as follows: Table 3-1 Millennium II Basic transmitter DIP switch 2 positions... -
Page 21: Section 4: Maintenance
Routine inspections The Millennium II SC311 sensor should be inspected on a routine basis to ensure that external obstructions such as water, mud, snow, plastic bags, or other materials are not blocking the sintered element of the sensor. If the sintered element is sprayed with water, the sintered element must be allowed to dry to ensure specified performance. -
Page 22: Troubleshooting
Reference Manual Maintenance MAN-0091, Revision 8 June 2016 4. Carefully remove the sensor module from the sensor housing by pulling on the gold sensor until the sensor cell and sensor board have been fully removed from the housing. In some cases, the sensor cell may disconnect from the board. -
Page 23: Spare Parts And Accessories
CAL-CYL-PRO (103 L Propane) Ingress protection filter IPF-001 Separation kit JB-MPD-A - aluminum JB-MPD-S - stainless steel Replacement sensor module SC311-100 The SC311 sensor is not certified for performance when the calibration cup, ingress protection filter, or dust guard is attached. Maintenance... -
Page 24: Section 5: Electrostatic Sensitive Device
Reference Manual Electrostatic sensitive device MAN-0091, Revision 8 June 2016 Section 5: Electrostatic sensitive device Definition: Electrostatic discharge (ESD) is the transfer, between bodies, of an electrostatic charge caused by direct contact or induced by an electrostatic field. The most common cause of ESD is physical contact. Touching an object can cause a discharge of electrostatic energy (ESD). -
Page 25: Section 6: Wire Resistance Table
Wire resistance table Reference Manual June 2016 MAN-0091, Revision 8 Section 6: Wire resistance table 20 AWG 18 AWG 16 AWG 14 AWG Distance 0.5 mm 0.8 mm 1.0 mm 2.0 mm Feet (meters) (ohms) (ohms) (ohms) (ohms) 100 (30.5) 1.02 0.64 0.40... -
Page 26: Section 7: Specifications
Reference Manual Specifications MAN-0091, Revision 8 June 2016 Section 7: Specifications Electrical 7.1.1 Voltage range 10.5 to 32 Vdc Performance 7.2.1 Response time T50 ≤ 4.3 seconds T60 ≤ 7.0 seconds T90 ≤ 11.0 seconds * Methane at room temperature 7.2.2 Accuracy ... -
Page 27: Relative Humidity
Specifications Reference Manual June 2016 MAN-0091, Revision 8 7.2.9 Relative humidity 0-95 % relative humidity, non-condensing 7.2.10 Enclosure material (housing) 316 stainless steel and 6061 aluminum 7.2.11 Ingress protection IP64 7.2.12 Weight Stainless steel: 3.5 lbs, 1.4 kg Aluminum: 1 lb, 0.4 kg Separation Up to 2000 feet (610 meters) with 18 AWG (1.02 mm ) wire. -
Page 28: Section 8: Certifications
Reference Manual Certifications MAN-0091, Revision 8 June 2016 Section 8: Certifications North America 8.1.1 Hazardous locations Class I, Division 1, Groups BCD T5 Class I, Zone 1, AEx/Ex d IIB +H -40 °C ≤ Ta ≤ +75 °C 8.1.2 Performance CSA C22.2 No. -
Page 29: Fc Models
Reference Manual June 2016 MAN-0091, Revision 8 FC Models SC311 infrared sensors, models SC311x-100-ASSY-FC, when used with wireless capable Millennium II transmitters, carry the following certifications. All certifications outlined above do not pertain to these models. 8.3.1 North America (-FC models) -
Page 30: Section 9: Ordering Information
Reference Manual Ordering information MAN-0091, Revision 8 June 2016 Section 9: Ordering information Model Description SC311 Millennium II Infrared Combustible Gas Sensor Housing Description Aluminum Stainless Steel Range Description -100-ASSY 100% LEL Wireless Description When used with wireless capable Millennium II... - Page 32 Notes...
- Page 33 Notes...
- Page 34 Notes...
- Page 36 ©2016 Emerson Process Management. All rights reserved. The Emerson logo is a trademark and service mark of Emerson Electric Co. Rosemount is a mark of one of the Emerson Process Management family of companies. All other marks are property of their respective owners.
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