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NGC-40 SAFETY TEMPERATURE LIMITER

STATUS

NETWORK

CURRENT

TS1

RESET

TS2
TS3
TRIP

ALARM

RESET

TRIP

RESET

SET

CONFIG

Safety Temperature Limiter for use

with the RAYCHEM NGC-40 System

NGC-40-SLIM

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Summary of Contents for NGC-40-SLIM

Page 1: ...NGC 40 SAFETY TEMPERATURE LIMITER STATUS NETWORK CURRENT TS1 RESET TS2 TS3 TRIP ALARM RESET TRIP RESET SET CONFIG Safety Temperature Limiter for use with the RAYCHEM NGC 40 System NGC 40 SLIM ...

Page 2: ...2 nVent com ...

Page 3: ...miter 8 2 1 14 nVent RAYCHEM NGC 40 SLIM accessories and associated components 8 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 16 3 5 Temperature setting secured a...

Page 4: ...mware designated by nVent for use with a product will execute its programming instructions properly when installed on that product nVent does not warrant that the operation of the hardware or software or firmware will be uninterrupted or error free 1 3 Limitation of warranty The foregoing warranty shall not apply to defects resulting from improper or inadequate maintenance by the Buyer Buyer suppl...

Page 5: ...rms of the Directive s and Approval Data Richtlinien Normen und Zulassungen Prescription de la directive et données de référence d approbation Title and or No and date of issue of the standard Titel und oder Nr sowie Ausgabedatum der Norm Titre et ou No ainsi que date d émission des normes 2004 108 CE 2004 108 EG 2004 108 EC Electromagnetic compatibility Elektromagnetische Verträglichkeit Compatib...

Page 6: ...ordance with state of the art engineering practice Table 1 Standards overview 1 10 Approvals and certifications Functional safety according to Baseefa 10SR0109 SIL 2 IEC 61508 1 1998 IEC 61508 2 2000 Russia Kazakhstan Belarus For other countries contact your local nVent representative Title Comment Standard Explanation Functional Safety The temperature limiter meets SIL 2 functional safety require...

Page 7: ... 1 3 Kit Contents Item Quantity Description NGC 40 SLIM 1 Safety Temperature Limiter INSTALL 171 1 RAYCHEM NGC 40 SLIM installation instructions 2 1 4 General information Supply voltage 24 Vdc 10 Internal power consumption 2 4 W per NGC 40 SLIM module Ambient operating temperature 0 C to 65 C 32 F to 149 F Ambient storage temperature 40 C to 75 C 40 F to 167 F Environment PD2 CAT III Max Altitude ...

Page 8: ...m Quantity Up to 80 modules per network segment Address Unique factory assigned 2 1 12 Connection terminals Wiring terminals Cage clamp 0 5 to 2 5 mm 24 to 12 AWG Housing Size 45 1 mm 1 78 in wide x 87 mm 3 43 in high x 106 4 mm 4 2 in deep outputs Form A 250 Vac 3A dry contact voltage free alarm relay programmable for steady or flashing on alarm Form A 250 Vac 3A contactor coil drive relay This o...

Page 9: ...y 5 6 TS1 common 7 TS1 sense 8 TS1 source 9 TS2 common 10 TS2 sense 11 TS2 source 12 TS3 common 13 TS3 sense 14 TS3 source 15 Digital In Table 2 Wiring terminals B CAN BUS MODULE POWER C RESET NGC 40 SAFETY TEMPERATURE LIMITER STATUS NETWORK CURRENT TS1 RESET TS2 TS3 TRIP ALARM RESET TRIP RESET SET CONFIG 87 45 1 87 45 1 45 1 106 4 45 1 B C 106 4 D A Front Top Bottom Back ...

Page 10: ...evice reset alarm is active Tripped GRN Normal operation no internal faults Flicker on receipt of CAN packet Current YEL In Boot Loader mode Flicker on transmission of CAN packet Flash RED Internal Fault Lost calibration TS 1sensor failure alarm TS 2 sensor failure alarm TS 3 sensor failure alarm Flash GRN Flash YEL Tripper and non latching Flash RED GRN Factory unlock un calibrated Flash RED YEL ...

Page 11: ...mal conditions and will open upon an trip or power failure condition Figure 5 Contactor terminals Alarm via Digital Output 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 NGC 40 SAFETY TEMPERATURE LIMITER STATUS...

Page 12: ...n Figure 6 Alarm terminals Trip reset Digital Input Terminal 15 and 16 100 Ω max loop resistance or 5 24 Vdc 1 mA maximum Figure 7 Trip reset digital input NGC 40 SAFETY TEMPERATURE LIMITER STATUS NETWORK CURRENT TS1 RESET TS2 TS3 TRIP ALARM RESET TRIP RESET SET CONFIG NGC 40 SAFETY TEMPERATURE LIMITER STATUS NETWORK CURRENT TS1 RESET TS2 TS3 TRIP ALARM RESET TRIP RESET SET CONFIG ...

Page 13: ...tion Module CAN Tem CAN 24 Vdc Primary Supply 24 Vdc 20 modules per Power Supply Redundant Supply 24 Vdc Bridge Module 80 Modules per bridge Module 1 CAN 24 Vdc CAN 24 Vdc CAN 24 Vdc CAN 24 Vdc CAN 24 Vdc CAN 24 Vdc IN OUT HTC HTC3 or I O or SLIM Module 2 CAN 24 Vdc IN OUT Module 3 CAN 24 Vdc IN OUT Module 4 CAN 24 Vdc IN OUT Module 10 CAN 24 Vdc IN OUT Termination Block Optional redundant supply ...

Page 14: ...24 Vdc IN OUT HTC HTC3 or I O or SLIM Module 2 CAN 24 Vdc IN OUT Module 3 CAN 24 Vdc IN OUT Module 4 CAN 24 Vdc IN OUT Module 10 CAN 24 Vdc IN OUT HTC HTC3 or I O or SLIM HTC HTC3 or I O or SLIM HTC HTC3 or I O or SLIM Power Termination Module CAN Tem CAN 24 Vdc Power Termination Module CAN Tem CAN 24 Vdc Primary Supply 24 Vdc 20 modules per Power Supply Redundant Supply 24 Vdc Bridge Module 80 Mo...

Page 15: ... If the fault is no longer present than the safety temperature function must be manually reset before the unit goes back to normal operation 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 meaning that the temperature measured by the limiter RT...

Page 16: ...e equipment 3 6 Changing limiter set point Changing the set point of the limiter requires the combination of the SET CONFIG button on the SLIM and an external user interface 3 7 Procedure to write new temperature set point to limiter In order to write a new set point to the safety temperature limiter a safety procedure needs to be followed Changing the set point of the temperature limiter requires...

Page 17: ...te effect Switch off the mains supply of the unit and leave the power off for one minute Powering up the unit again should not reset the limiter After the Limiter Trip Reset button is been pressed the Limiter Tripped alarm will go away and switch the output on Assuming the measured temperature is below the set point temperature and there are no other faults Install a wire bridge short cutting the ...

Page 18: ...8 2 2000 a distinction must be made between Type A systems and type B systems A sub system can be viewed as a Type A system if for the components that are necessary in order to achieve the safety function The failure mode of all components that are used is adequately defined and The response of the sub system in fault conditions can be completely determined Reliable failure data based on field exp...

Page 19: ...nual The necessary functional tests are described in paragraph 3 10 of this operating manual The test to be applied in a fault condition is described in paragraph 3 11 of this operating manual A functional test must be carried out after commissioning repair to the safety system or an alteration of safety related parameters If a fault is detected in the course of a functional test then measures mus...

Page 20: ... 79 90 salesno nvent com Österreich Tel 43 2236 860077 Fax 43 2236 860077 5 info ntm at nvent com Polska Tel 48 22 331 29 50 Fax 48 22 331 29 51 salespl nvent com Republic of Kazakhstan Tel 7 495 926 1885 Fax 7 495 926 18 86 saleskz nvent com РОССИЯ Тел 7 495 926 18 85 Факс 7 495 926 18 86 salesru nvent com Serbia and Montenegro Tel 381 230 401 770 Fax 381 230 401 770 salesee nvent com Schweiz Sui...

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