Emerson Net Safety JB Series Reference Manual
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Emerson Net Safety JB Series Reference Manual

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Reference Manual
MAN-0081, Rev 5
June 2016
Net Safety™ JB Series Junction Box

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Summary of Contents for Emerson Net Safety JB Series

  • Page 1 Reference Manual MAN-0081, Rev 5 June 2016 Net Safety™ JB Series Junction Box...
  • Page 3 Important Instructions 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 Notice The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not to be construed as warranties or guarantees, expressed or implied, regarding the products or services described herein or their use or applicability. All sales are governed by Net Safety’s terms and conditions, which are available upon request.
  • 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;...

  • Page 7: Table Of Contents

    Reference Manual Table of Contents MAN-0081, Rev 4 June 2016 Contents Section 1: Introduction ..............1 Models covered ........................1 1.1.1 Models covered: ....................1 Service support ........................1 Return of material ....................... 2 Product recycling/disposal ....................2 Section 2: Installation ................ 3 Unpacking and inspection ....................
  • Page 8 Introduction Reference Manual June 2016 MAN-0081, Rev 5 7.1.4 Relay contacts (JB-IR3SAR) .................. 19 Environmental........................19 7.2.1 Storage temperature ..................19 7.2.2 Operating temperature ..................19 7.2.3 Relative humidity ....................19 7.2.4 Metallurgy (housing) ..................19 7.2.5 Ingress protection....................19 7.2.6 Weight .......................

  • Page 9: Section 1: Introduction

    Section 1: Introduction Models covered The Net Safety JB series junction box is a multi-purpose junction box that is used with numerous Net Safety products. It can be used as a termination box for flame detectors or for remote mounting gas sensors from transmitters.

  • Page 10: Return Of Material

    Material Return Authorization (MRA) number. On the return of the equipment, include the following information: MRA number provided to you by Emerson Company name and contact information Purchase order, from your company, authorizing repairs or request for quote...

  • Page 11: Section 2: Installation

    Three (3) conduit entries located on the junction box body are available in ½ inch–14 NPT, ¾ inch–14 NPT, or M20 × 1.5 mm thread. The standard offering is ¾ inch NPT, consult your Emerson Process Management/Net Safety representative for availability of other conduit entry sizes. Connection of conduit, cable glands, sensors, or detectors to these conduit entries should be done so by use of tools.

  • Page 12: Wiring

    Installation Reference Manual June 2016 MAN-0081, Rev 5 Wiring Failure to follow these installation guidelines could result in death or serious injury. Ensure that only qualified personnel perform the installation. Electrical shock could cause death or serious injury. Use extreme caution when making contact with the leads and terminals.

  • Page 13: Terminal Block Connections

    Reference Manual Installation MAN-0081, Rev 5 June 2016 Explosion proof installations may require an additional seal where the conduit enters a non-hazardous area. Ensure conformity with local wiring codes. When pouring a seal, use a fiber dam to ensure proper formation of the seal. Seals should never be poured at temperatures below freezing.

  • Page 14: Installation Checklist

    Installation Reference Manual June 2016 MAN-0081, Rev 5 Figure 2-3 Ground Lug Locations and Crimp Connector Crimp Connector External Ground Lug Internal Ground Lug Installation checklist Review the following checklist prior to turning the power on to the junction box after installation has been completed: ·...

  • Page 15: Section 3: Terminal Board Configurations

    Reference Manual Terminal board configurations MAN-0081, Rev 5 June 2016 Section 3: Terminal board configurations There are multiple terminal board configurations facilitated by the JB series junction box. This allows effective, safe, and accurate terminations and sensor separation requirements across the Net Safety product line.

  • Page 16: Models: Ir3S-Ad

    Terminal board configurations Reference Manual June 2016 MAN-0081, Rev 5 3.1.2 Models: IR3S-AD JB-MPNS-A/S Flame detector wiring Power and output wiring Terminal Color Function Terminal Function 1 (GND) Green Earth ground 1 (GND) Earth ground Vdc (+) Vdc (+) Black COM (-) COM (-) Blue...

  • Page 17: Models: Ir3S-A

    Reference Manual Terminal board configurations MAN-0081, Rev 5 June 2016 JB-MPR-A/S Relay Contacts Normally Open Normally Closed Common Fire Relay Contacts Fault Relay Contacts Flame detector wiring Power and output wiring Terminal Color Function Terminal Function Blue Manual Vi/MVI RRst Remote Reset 4–20 mA Signal Manual VI...

  • Page 18: Models: Ir3S-D

    Terminal board configurations Reference Manual June 2016 MAN-0081, Rev 5 3.1.5 Models: IR3S-D JB-MPNS-A/S Flame detector wiring Power and output wiring Terminal Color Function Terminal Function 1 (GND) Green Earth ground 1 (GND) Earth ground Vdc (+) Vdc (+) Black COM (-) COM (-) Blue...

  • Page 19: Models: Ir3S-Ar

    Reference Manual Terminal board configurations MAN-0081, Rev 5 June 2016 3.1.7 Models: IR3S-AR JB-IR3SAR-A/S Flame detector wiring (J1) Power and output wiring (J2) Terminal Color Function Terminal Function 1 (GND) Green Earth ground Reset Vdc (+) 4–20 mA Not used ISO (+) Black COM (-)

  • Page 20: Gas Detection

    Terminal board configurations Reference Manual June 2016 MAN-0081, Rev 5 Gas detection In the following drawings, the sensor wiring side refers to the wiring between the gas transmitter and the junction box terminals. The transmitter wiring side refers to wiring between the transmitter and the junction box terminals.

  • Page 21: Millennium Sir100 And Apm

    Reference Manual Terminal board configurations MAN-0081, Rev 5 June 2016 3.2.2 Millennium SIR100 and APM JB-MPD-A/S Resistor (120 ohms) Sensor wiring Transmitter wiring Terminal Color Function Terminal Function 1 (GND) Green Earth ground 1 (GND) Earth ground White Vdc (+) Vdc (+) Black COM (-)

  • Page 22: Millennium Sc1 Combustible Sensor Series

    Terminal board configurations Reference Manual June 2016 MAN-0081, Rev 5 3.2.4 Millennium SC1 combustible sensor series JB-MPG-A/S Sensor wiring Transmitter wiring Terminal Color Function Terminal Function 1 (GND) Green Earth ground 1 (GND) Earth ground White Vdc (+) Vdc (+) Signal Signal Black...

  • Page 23: Common Junction Boxes

    Reference Manual Terminal board configurations MAN-0081, Rev 5 June 2016 Common junction boxes 3.3.1 HART Port remote connection box (JB-MPH-A/S) JB-MPH-A/S Millennium II transmitter or flame Power and output wiring detector wiring Terminal Function Terminal Function 1 (GND) Earth ground 1 (GND) Earth ground Vdc (+)

  • Page 24: Section 4: Maintenance

    Maintenance Reference Manual June 2016 MAN-0081, Rev 5 Section 4: Maintenance Troubleshooting The junction box is not designed to be repaired in the field. If problems should develop, first check for faulty wiring and confirm proper voltage to the junction box. If problems persist, contact Net Safety’s technical support department first by phone to try and resolve any issues.

  • Page 25: Section 5: Electrostatic Sensitive Device

    Reference Manual Electrostatic sensitive device MAN-0081, Rev 5 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.

  • Page 26: Section 6: Wire Resistance Table

    Wire resistance table Reference Manual June 2016 MAN-0081, Rev 5 Section 6: Wire resistance table Distance AWG #20 AWG #18 AWG #16 AWG #14 Feet (Meters) 0.5mm 0.8mm 1.0mm 2.0mm 100 (30.5) 1.02 0.64 0.40 0.25 200 (61) 2.03 1.28 0.80 0.51 300 (91.4)

  • Page 27: Section 7: Specifications

    Reference Manual Specifications MAN-0081, Rev 5 June 2016 Section 7: Specifications Electrical 7.1.1 Operating voltage 10 to 32 Vdc 7.1.2 Conduit entries 3 × ¾-in. NPT 7.1.3 Power consumption (JB-IR3SAR) Nominal: 170 mA (1.7 W) @10 Vdc Maximum: 275 mA (2.9 W) @ 10 Vdc Nominal: 73 mA (1.8 W) @ 24 Vdc Maximum: 117 mA (2.8 W) @ 24 Vdc 7.1.4...
  • Page 28 Certifications Reference Manual June 2016 MAN-0081, Rev 5 Section 8: Certifications North America Class I, Division 1, Groups BCD T5 Class I, Zone 1, Ex d IIB +H T5 (Canada) Class I, Zone 1, AEx d IIB +H T5 (United States) -50 °C ≤...
  • Page 29 Reference Manual Ordering information MAN-0081, Rev 5 June 2016 Section 9: Ordering information Model Description Multi-purpose termination box Type Performance IR3SAR 4–20mA Analog and Fire & Fault Relays (IR3S only) Digital Output (Gas Sensors & APM Only) General junction box Used to separate remote HART Port (order HPT-001 separate) MPNS Analog &...
  • Page 30 Notes...
  • Page 32 Safety.CSC@Emerson.com © 2016 Emerson Process Management. All rights reserved. The Emerson logo is a trademark and service mark of Emerson Electric Co. Net Safety is a trademark of Emerson Process Management. HART is a registered trademark of the FieldComm Group.

This manual is also suitable for:

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