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REPAIR/REPLACEMENT PROCEDURES

REPLACEMENT PROCEDURES

4 - 2

I-E96-403A

To replace an NTAI02 termination unit:

1. Turn

off

the INFI 90 cabinet power.

NOTE: The I/O power supplies providing the power to the TU may
not be located in the same cabinet as the TU. Make sure to turn

off

power to any external supplies providing I/O power.

2. Remove terminal block covers.

3. Label and remove all field wiring from the terminal blocks.

4. Label and disconnect all cables connected to the TU.

5. Label and disconnect system I/O power and ground from
the terminals.

6. Remove the two screws securing the TU to the field termi-
nation panel and remove the TU.

7. Insert the tabs of the replacement termination unit into the
proper slots of the field termination panel standoff and slide it
into position.

8. Secure the termination unit circuit board to the field termi-
nation panel with two screws. Do not overtighten.

9. Remove terminal block covers from the replacement TU.

10. Connect all field wiring removed in Step 3.

11. Connect the system I/O power wires and system ground
wires removed in Step 5 and verify connections.

12. Connect all cables removed in Step 4.

13. Install terminal block covers.

14. Energize the cabinet power supply that provides power to
the TU.

15. Turn on any external power supplies providing I/O power.

16. Calibrate the replacement TU by following the procedure in
the IMAMM03 product instruction. Refer to Section 1 for the
current manual identification number.

Replacing Fuses

Fuse F1 is shipped installed on the TU. It is a 0.25 amp, 250
volt (Bailey part number 194776A12500). The fuse is in fuse
holder F1.

Содержание Infi 90 NTAI02

Страница 1: ... Process Control and Automation Solutions from Elsag Bailey Group E96 403 Thermocouple Input Termination Unit NTAI02 ...

Страница 2: ...MENTS ÉLECTRONIQUES SONT SENSIBLES AUX PERTURBATIONS PAR FRÉQUENCE RADIO DES PRÉCAUTIONS DEVRONT ÊTRE PRISES LORS DE L UTILISATION DU MATÉ RIEL DE COMMUNICATION PORTATIF LA PRUDENCE EXIGE QUE LES PRÉCAUTIONS À PRENDRE DANS CE CAS SOIENT SIGNALÉES AUX ENDROITS VOULUS DANS VOTRE USINE PERTURBATIONS DU PROCÉDÉ L ENTRETIEN DOIT ÊTRE ASSURÉ PAR UNE PERSONNE QUALIFIÉE EN CONSIDÉRANT L ASPECT SÉCURITAIRE...

Страница 3: ... Input Termination Unit NTAI02 interfaces the Thermocouple Analog Input Slave Module IMASM02 and field wiring This manual explains how to install and use the NTAI02 on the INFI 90 system It has sections that describe the setup and cabling The appendix contains information about the IMASM02 Registered trademark of Elsag Bailey Process Automation ...

Страница 4: ...1 through 4 3 Original 5 1 Original A 1 Original Index i Original When an update is received insert the latest changed pages and dispose of the super seded pages NOTE On an update page the changed text or table is indicated by a vertical bar in the outer mar gin of the page adjacent to the changed area A changed figure is indicated by a vertical bar in the outer margin next to the figure caption T...

Страница 5: ...le p 2 5 4 1 If input or output circuits are a shock hazard after disconnecting sys tem power at the power entry panel then the door of the cabinet containing these externally powered circuits must be marked with a warning stating that multiple power sources exist p 2 6 4 1 We strongly recommend turning off cabinet power before doing any termination unit wiring Failure to do so could result in equ...

Страница 6: ...es ils presentent un risque de choc electrique meme lorsque l alimentation du systeme est debranchee du panneau d entree l alimentation Le cas echeant un avertissement signalant la presence de sources d alimentation multiples doit etre appose sur la porte de l armoire p 2 6 4 1 Il est fortement recommande de debracher l alimentation electrique du cabinet avant d effectuer tout connexion aux cartes...

Страница 7: ...CTION 2 2 SETUP PHYSICAL INSTALLATION 2 2 Fuses 2 2 Termination Unit Configuration 2 2 Termination Unit Installation 2 2 Cable Connections 2 3 Terminal Block Wiring 2 6 Power Wiring 2 7 SECTION 3 MAINTENANCE 3 1 INTRODUCTION 3 1 MAINTENANCE SCHEDULE 3 1 SECTION 4 REPAIR REPLACEMENT PROCEDURES 4 1 INTRODUCTION 4 1 REPLACEMENT PROCEDURES 4 1 Replacing Fuses 4 2 SECTION 5 SUPPORT SERVICES 5 1 INTRODU...

Страница 8: ...1 5 2 1 NTAI02 Cable Applications 2 4 3 1 Maintenance Schedule 3 1 5 1 Spare Parts List 5 1 A 1 Address Switch Settings SW1 A 1 List of Figures No Title Page 1 1 Application Example for NTAI02 1 2 2 1 Installation for NTAI02 2 3 2 2 Cable Connections for NTAI02 2 4 2 3 Terminal Assignments and Input Example for NTAI02 2 7 A 1 Address Select Switch SW1 A 1 ...

Страница 9: ...to find the infor mation Refer to the HOW TO USE THIS MANUAL entry in this section to get started TERMINATION UNIT DESCRIPTION The NTAI02 is a single printed circuit board that mounts in a Field Termination Panel NFTP01 It has five connectors that are used for communication to the IMAMM03 master IMASM02 slave and other NTAI02 slave termination units The internal and external test points and the ca...

Страница 10: ... connecting an external calibration voltage source INT test output posts for access to internal calibration voltage sources from the IMAMM03 INSTRUCTION CONTENT This manual has five sections and an appendix Introduction Contains an overview of the features specifications and a description of the NTAI02 Figure 1 1 Application Example for NTAI02 COMMUNICATION HIGHWAY INFI NET OR PLANT LOOP MODULE BU...

Страница 11: ...r to Appendix A for the IMASM02 slave unit 3 Refer to Section 3 for a maintenance schedule 4 Refer to Section 4 and Section 5 when needed GLOSSARY OF TERMS AND ABBREVIATIONS Table 1 1 contains the glossary of terms for this manual Registered trademark of Elsag Bailey Process Automation Table 1 1 Glossary of Terms and Abbreviations Term Definition Cold Junction Reference The ambient temperature at ...

Страница 12: ... Termination Panel NFTP01 Environmental Electromagnetic Radio Frequency Interference No values available at this time Keep cabinet doors closed Do not use communication equipment closer than 2 meters from the cabinet Ambient Temperature 0 to 70o C 32 to 158o F Relative Humidity 5 to 90 5 up to 55o C 131o F noncondensing 5 to 40 5 up to 70o C 158o F noncondensing Atmospheric Pressure Sea level to 3...

Страница 13: ... used with the NTAI02 unit Table 1 4 Nomenclature Nomenclature Description IMASM02 Thermocouple Input Slave Module NFTP01 Field Termination Panel NKAI01 Cable Termination Module Interconnect NKTU01 Cable Termination Module PVC NKTU11 Cable Termination Module non PVC NTAM01 Analog Master Module Termination Unit ...

Страница 14: ...odules Static discharge may damage MOS devices on modules in the cabinet Use grounded equipment and static safe practices when working with modules 1 Use Antistatic Bags Keep the modules in the antistatic bag until you are ready to install them in the system Save the bag for future use 2 Ground Bags Before Opening Before opening a bag con taining an assembly with CMOS devices touch it to the equip...

Страница 15: ...and cables Fuses The TU has a Fuse F1 for the 24 volt supply It is a 0 25 amp 250 volt fuse Bailey part number 194776A12500 The TU is shipped with the fuse installed in fuse holder F1 Termination Unit Configuration No configuration is necessary to operate the TU Switch S1 is used for internal or external calibration of input circuits To calibrate the TU follow the procedure in the Analog Master Mo...

Страница 16: ...1 11 is a round shielded cable that connects the TU to the IMASM02 slave module or IMAMM03 master module The NKTU01 and NKAI01 cables have a PVC jacket rated for 80 degrees celsius at 300 volts UL rated type CL2 The NKTU11 and NKAI01 cables have a non PVC jacket rated for 90 degrees celsius at 300 volts UL rated type PLTC The NKAI01 cable is a round shielded cable that connects the TU to an NTAM01...

Страница 17: ...to NTAI02 or NTAM01 P1 on NTAM01 to P4 on NTAI02 1 5 m 5 ft P5 on NTAI02 to P4 on next NTAI02 NKAI11 non PVC Jacket Connects NTAI02 to NTAI02 or NTAM01 P1 on NTAM01 to P4 on NTAI02 P5 on NTAI02 to P4 on next NTAI02 IMAMM03 PRIMARY IMAMM03 REDUNDANT IMASM02 IMASM02 P1 P1 P1 P1 P3 P3 P3 P3 P2 P2 P2 P2 NKTU01 11 NKTU01 11 NTAI02 RTD PAIR A TO P4 ON NEXT INTERCONNECTED NTAI02 TO RTD PAIR B THROUGH RTD...

Страница 18: ...the master module The cable should latch securely in place 6 Insert the male 36 pin connector end of the NKTU01 11 cable from the master module into the P4 connector of the NTAI02 The cable should latch securely in place 7 If this is the second or above interconnected TU insert the male 36 pin connector end of the NKAI01 11 cable into the P5 connector of the TU The cable should latch securely in p...

Страница 19: ... CAUTION If input or output circuits are a shock hazard after disconnect ing system power at the power entry panel then the door of the cabinet containing these externally powered circuits must be marked with a warning stating that multiple power sources exist ATTENTION Si des circuits d entree ou de sortie sont alimentes a partir de sources externes ils presentent un risque de choc electrique mem...

Страница 20: ...the cabinet to the E2 terminal of the TU 3 Attach the E1 shield to the shield bus bar in the cabinet 4 Attach the E4 shield to the shield bus bar in the cabinet 5 Attach the E5 shield to the shield bus bar in the cabinet Figure 2 3 Terminal Assignments and Input Example for NTAI02 7 7 0 25 A FUSE COLD JUNCTION RTD SHIELD FOR P2 SHIELD FOR P1 SHIELD FOR P3 CALIBRATION SOCKET COLD JUNCTION RTD MILLI...

Страница 21: ... circuit board is mounted in the field termination panel 2 All required cables are connected to the termination unit 3 All required field wires are connected to the termination unit and have been verified 4 Terminal block covers are installed 5 Power is connected and applied to the termination unit ...

Страница 22: ...EDULE Execute the tasks in Table 3 1 at the specified intervals Table 3 1 Maintenance Schedule Task Interval Clean and tighten all power and grounding con nections Every 6 months or during plant shutdown whichever occurs first Use a static safe vacuum cleaner to remove dust from Field Termination Panel Termination Units Be sure terminal block covers are in place for thermocouple applications ...

Страница 23: ...e cas echeant un avertisse ment signalant la presence de sources d alimentation multiples doit etre appose sur la porte de l armoire CAUTION Remove modules from their module mounting unit slots before installing or removing a cable assigned to that slot Failure to do so could result in damage to the module ATTENTION Retirer le module de son emplacement dans le chassis de montage des modules avant ...

Страница 24: ...proper slots of the field termination panel standoff and slide it into position 8 Secure the termination unit circuit board to the field termi nation panel with two screws Do not overtighten 9 Remove terminal block covers from the replacement TU 10 Connect all field wiring removed in Step 3 11 Connect the system I O power wires and system ground wires removed in Step 5 and verify connections 12 Co...

Страница 25: ...ROCEDURES REPLACEMENT PROCEDURES I E96 403A 4 3 Replace the fuse by following these steps 1 Turn off INFI 90 cabinet power 2 Install the replacement 0 25 amp fuse into fuse holder F1 3 Turn on power to the termination unit ...

Страница 26: ...Bailey instruction manual number page number and ref erence figure that identifies the part Order parts without commercial descriptions from the nearest Bailey Controls Company sales office TRAINING Bailey Controls has a modern training facility available for training your personnel On site training is also available Con tact a Bailey Controls sales office for specific information and scheduling T...

Страница 27: ... dipswitch location on the IMASM02 and its settings This infor mation is provided as a quick reference guide for personnel installing the NTAI02 Figure A 1 shows the address select switch SW1 Table A 1 lists the binary addresses for setting SW1 Refer to the IMAMM03 instruction for more detailed information to install and configure the slave Refer to the slave calibration procedure in the IMASM02 p...

Страница 28: ...nance schedule 3 1 N Nomenclature 1 5 NTAI02 Cable Applications 2 4 R Reference documents 1 4 Replacement parts 5 1 Replacement procedures 4 1 Replacing fuses 4 2 S Setup physical installation 2 2 Cable connections 2 3 Configuration 2 2 Fuses 2 2 Instalation 2 2 Power wiring 2 7 Terminal block wiring 2 6 Spare parts list 5 1 Special handling 2 1 Specifications 1 4 T Technical documentation 5 1 Ter...

Страница 29: ... 8756 ASIA PACIFIC 152 Beach Road Gateway East 20 04 Singapore 189721 Telephone 65 391 0800 Telefax 65 292 9011 EUROPE AFRICA MIDDLE EAST Via Puccini 2 16154 Genoa Italy Telephone 39 10 6582 943 Telefax 39 10 6582 941 GERMANY Graefstrasse 97 D 60487 Frankfurt Main Germany Telephone 49 69 799 0 Telefax 49 69 799 2406 Form I E96 403A Litho in U S A 692 Copyright 1992 by Elsag Bailey Process Automati...

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