Raychem NGC-40-SLIM Manual
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Raychem NGC-40-SLIM Manual

Safety temperature limiter for use with the raychem ngc-40 system
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Enlarged version
NGC-40-SLIM
Safety Temperature Limiter for use
with the RAYCHEM NGC-40 System
NGC-40 SAFETY TEMPERATURE LIMITER
STATUS
NETWORK
CURRENT
SET
TRIP
CONFIG
RESET
RESET
TS1
TS2
TS3
TRIP
ALARM
RESET

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Summary of Contents for Raychem NGC-40-SLIM

  • Page 1 NGC-40-SLIM Safety Temperature Limiter for use with the RAYCHEM NGC-40 System RESET NGC-40 SAFETY TEMPERATURE LIMITER STATUS NETWORK CURRENT TRIP TRIP ALARM CONFIG RESET RESET...
  • Page 2 2 | nVent.com...

  • Page 3: Table Of Contents

    2.1.15 Dimensions .................... 9 2.2 Mounting and wiring NGC-40-SLIM module ............ 10 3 Safety instructions for RAYCHEM NGC-40-SLIM ����������������������������������������������15 3.1 Safety function of temperature limiter in nVent RAYCHEM NGC-40-SLIM .. 15 3.2 Area of use ......................15 3.3 Temperature limiter (schematic) ..............15 3.4 Reset Safety Temperature Limiter ..............

  • Page 4: Introduction

    1 INTRODUCTION Please read all instructional literature carefully and thoroughly before starting. Refer to the inside front cover for the listing of Liabilities and Warranties. NOTICE: The information contained in this document is subject to change without notice. Please read these Operating Instructions before commissioning the instrument.

  • Page 5: Ce Declaration Of Conformity

    / Erklären, dass die Produkte… / Hereby declare that the products… Déclarons, que les produits… Electronic Temperature control System with Safety temperature limiter: Raychem NGC -40 Elektronischer Temperaturregelsysteme mit Sicherheitstemperatur Begrenzer: Raychem NGC -40 Thermostat électronique: Système avec limiteur de température de sécurité: Raychem NGC-40 Raychem NGC-40-SLIM …which is the subject of this declaration, is in conformity with the following standard(s) or normative documents...

  • Page 6: Area Of Use

    1�7 Area of use nVent RAYCHEM NGC-40-SLIM limiters are used for temperature limiting of electrical heaters in industrial and potentially explosive atmospheres. The RAYCHEM NGC-40-SLIM is a safety temperature limiter. RAYCHEM NGC-40-SLIM units are approved for use in non-hazardous areas. Where needed the temperature sensor of the unit can be placed in Zone 1, Zone 2, Zone 21 and Zone 22 when the sensor is hazardous area approved.

  • Page 7: Technical Data

    2 TECHNICAL DATA 2�1 Product Description The NGC-40-SLIM module is used as safety temperature limiter within the NGC-40 control and monitoring system. The module has one output for the contactor, one alarm output and one digital input. The alarm output can be used to control an external annunciator.

  • Page 8: Contactor Output Relay

    LINE voltage to an external contactor coil. 2�1�13 RAYCHEM NGC-40 Safety Limiter Product name: RAYCHEM NGC-40-SLIM Part number: 1244-010700 2�1�14 RAYCHEM NGC-40-SLIM accessories and associated components Product name Part number RAYCHEM NGC-40-HTC 10730-003...

  • Page 9: Dimensions

    NGC-40 SAFETY TEMPERATURE LIMITER STATUS NETWORK CURRENT 106.4 106.4 TRIP TRIP ALARM CONFIG RESET RESET Figure 1: Dimensions RAYCHEM NGC-40-SLIM module A: WIRING TERMINALS: Term Limiter Module Output relay Output relay Alarm relay Alarm relay TS1 common TS1 sense TS1 source TS2 common...

  • Page 10: Mounting And Wiring Ngc-40-Slim Module

    MOUNTING: Insert the rear bottom of the module into the DIN rail, then push up and disengage the clip, than rotate the module inwards to engage the clip. toward you. Figure 2: Mounting RAYCHEM NGC-40-SLIM module onto DIN rail 10 | nVent.com...
  • Page 11 Power Supply/CAN The power supply/CAN connector is an RJ-45 connector Cable from another module or power supply CAN termination here if last one in chain The CAN termination device must be installed in the unused port of the last module. Figure 3: Power via CAN cable connector RTD Terminals Sensor 1 Sensor 2 Sensor 3...
  • Page 12 RESET NGC-40 SAFETY TEMPERATURE LIMITER STATUS NETWORK CURRENT TRIP TRIP ALARM CONFIG RESET RESET Alarm relay using terminal 3 and 4, Form A, NO dry contract, rated at 250V max, 3 A. Contact is energized & open during normal conditions and will close upon an alarm condition. Figure 6: Alarm terminals RESET NGC-40 SAFETY TEMPERATURE LIMITER...
  • Page 13 NGC-40 CAN Bus Connections for up to 10 Modules Termination Termination CAN / 24 Vdc CAN / 24 Vdc CAN / 24 Vdc CAN / 24 Vdc CAN / 24 Vdc Block Block CAN/Tem CAN/24 Vdc Power/ Termination Module CAN / 24 Vdc CAN / 24 Vdc CAN / 24 Vdc CAN / 24 Vdc...
  • Page 14 NGC-40 CAN Bus Connections for up to 40 Modules Termination CAN / 24 Vdc CAN / 24 Vdc CAN / 24 Vdc CAN / 24 Vdc CAN / 24 Vdc Block CAN/Tem CAN/24 Vdc Power/ Termination Module CAN / 24 Vdc CAN / 24 Vdc CAN / 24 Vdc CAN / 24 Vdc...

  • Page 15: Safety Instructions For Raychem Ngc-40-Slim

    RAYCHEM NGC-40-SLIM units can be reset by means of a Trip Reset push button, an external hardwired signal or via dedicated software. The output of the unit will only be enabled when all conditions are safe;...

  • Page 16: Reset Safety Temperature Limiter

    The safety temperature limiter operates totally independent of the temperature control system and has its own temperature inputs (RTD Limiter). In case of a defect to any part of the RAYCHEM NGC-40-SLIM unit the device shall be de-energized before replacing the defective equipment.

  • Page 17: Functional Test

    In the case of the RAYCHEM NGC-40-SLIM this is set at 12 months (1 year) intervals. These tests must be performed according to the guidelines provided.

  • Page 18: Test In The Event Of A Fault

    3�12 Safety Integrity level The safety integrity level of the RAYCHEM NGC-40-SLIM is SIL2. The SIL level can be achieved by determining the following safety related parameters: • PFDavg: The average probability of the hazardous failure of a safety function when it is demanded;...

  • Page 19: Sil Related To Sff And Hft

    The following table presents the achievable safety integrity level (SIL), depending on the safe failure fraction (SFF) and the hardware failure tolerance (HFT) for Type A safety-related subsystems. Table 7 is valid for the RAYCHEM NGC-40-SLIM: Safe failure fraction (SFF) Hardware fault tolerance (HFT) for Type A SFF <...
  • Page 20 ©2018 nVent. All nVent marks and logos are owned or licensed by nVent Services GmbH or its affiliates. All other trademarks are the property of their respective owners. nVent reserves the right to change specifications without notice. Raychem-IM-INSTALL171-NGC40SLIM-EN-1805...

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