background image

INTRODUCTION

I-E96-405A   

3 - 1

SECTION 3 - MAINTENANCE

INTRODUCTION

The RTD analog input termination unit requires limited main-
tenance. This section contains a maintenance schedule.

MAINTENANCE SCHEDULE

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 connections

Every 6 months or during plant shut-
down, whichever occurs first.

Use a static safe vacuum cleaner to 
remove dust from:

Field Termination Panel
Termination Units

Summary of Contents for Infi 90 NTAI04

Page 1: ...Process Control and Automation Solutions from Elsag Bailey Group E96 405 RTD Analog Input Termination Unit NTAI04...

Page 2: ...UIPEMENTS LECTRONIQUES SONT SENSIBLES AUX PERTURBATIONS PAR FR QUENCE RADIO DES PR CAUTIONS DEVRONT TRE PRISES LORS DE L UTILISATION DU MAT RIEL DE COMMUNICATION PORTATIF LA PRUDENCE EXIGE QUE LES PR...

Page 3: ...eld wiring for the IMASM03 and IMASM04 or NASM03 and NASM04 Analog Slave Module This manual explains how to install and use the NTAI04 on the INFI 90 system It has sections that describe the setup and...

Page 4: ...inal 2 1 through 2 7 Original 3 1 Original 4 1 through 4 2 Original 5 1 Original A 1 through A 2 Original Index 1 Original NOTE On an updated page the changed text or table is indicated by a vertical...

Page 5: ...e doing any termination unit wiring Failure to do so could result in equipment damage Do not apply power without verifying all wire connections p 2 5 Remove modules from their multibus module unit slo...

Page 6: ...s de raccord ment des units Des dommages aux equipments pourraient survenir dans le cas contraire Ne pas rebrancher l alimentation avant que toutes les connexions aient ete verifiees p 2 5 Retirer les...

Page 7: ...PACKING AND INSPECTION 2 2 SETUP INSTALLATION 2 2 Fuses 2 2 Termination Unit Configuration 2 2 Physical Installation 2 2 Cable Connections 2 3 Terminal Block Wiring 2 5 Power Wiring 2 6 SECTION 3 MAIN...

Page 8: ...Terminal Assignments and Input Example for NTAI04 2 6 A 1 Address Select Switch SW1 A 1 List of Tables No Title Page 1 1 Glossary of Terms and Abbreviations 1 3 1 2 Reference Documents 1 3 1 3 Nomencl...

Page 9: ...MANUAL entry in this section to get started TERMINATION UNIT DESCRIPTION The NTAI04 is a single printed circuit board that mounts in a Field Termination Panel NFTP01 The TU has three connec tors P1 P...

Page 10: ...enance Provides a maintenance schedule Repair Replacement Procedures Details how to replace a TU Support Services Describes the support services spare parts training docu mentation etc available from...

Page 11: ...log Continuously variable as opposed to discretely vari able RTD Resistance temperature detector A sensing device that changes resistance with changes in tempera ture Slave Address A unique identifier...

Page 12: ...ng Mounts in the Field Termination Panel NFTP01 Environmental Electromagnetic Radio Frequency Interference No values available at this time Keep cabinet doors closed Do not use communication equipment...

Page 13: ...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 Bag Keep the modules in the antistatic ba...

Page 14: ...cting the field wiring and termina tion cables Fuses The TU has a fuse F1 for the 24 VDC power It is a 0 25 amp 250 volt fuse Bailey Controls part number 194776A12500 The TU is shipped with the fuse i...

Page 15: ...two slave modules Connector P3 connects either TU cable to calibrate the slave inputs Install the NKTU01 and NKTU11 cable into P1 and P2 connectors on the TU The NKTU01 and NKTU11 is a round shielded...

Page 16: ...nector end of the cable from the first slave module into the P1 connector of the TU The cable should latch securely in place 3 Insert the 36 pin connector end of the cable from the sec ond slave modul...

Page 17: ...nput 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 wa...

Page 18: ...r an external 24 VDC source to the E4 ter minal on the TU 2 Attach one 14 AWG wire from the DC bus bar at the bottom of the cabinet to the E2 terminal I O common of the TU Figure 2 3 Terminal Assignme...

Page 19: ...termi nal 5 Attach a jumper wire from the E3 terminal to the E5 termi nal The NTAI04 is ready for operation if 1 The circuit board is mounted in the field termination panel 2 All required cables are c...

Page 20: ...aintenance schedule MAINTENANCE SCHEDULE 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 connections Ev...

Page 21: ...modules from their multibus module 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 les modules de leur p...

Page 22: ...and verify con nections 10 Connect the system I O power ground and shield wires removed in Step 5 and verify connections 11 Connect all cables removed in Step 4 and verify connec tions 12 Energize the...

Page 23: ...instruction manual number page number and reference figure that identifies the part Order parts without commercial descriptions from the nearest Bailey Controls Company sales office TRAINING The Baile...

Page 24: ...hm platinum or 120 ohm nickle three wire RTD This appendix contains figures and tables that show the dipswitch location on the IMASM03 and IMASM04 and its set tings This information is provided as a q...

Page 25: ...ULE IMASM03 04 INTRODUCTION A 2 I E96 405A Table A 1 Address Switch Settings SW1 Address MSB LSB Address MSB LSB 1 2 3 1 2 3 0 1 2 3 0 0 0 0 0 1 0 1 0 0 1 1 4 5 6 7 1 0 0 1 0 1 1 1 0 1 1 1 NOTE Open O...

Page 26: ...Nomenclature 1 4 O Overview 1 1 R Reference documents 1 3 Repair replacement procedures 4 1 Replacement parts 5 1 Replacement procedures 4 1 Replacing fuses 4 2 S Setup installation 2 2 Cable connect...

Page 27: ...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 Telefa...

Reviews: