Main PWA Replacement Kit Instruction
Contents
1. Plastic Bracket Screw Main PWA Retaining sip PROM Location Temperature PWA PWA Connector PWA Connector p Screw Screw Procedure continued on next page gt Page 4 of 7 Form 34 SM 33 03 Main PWA and PROM Replacement SMV 3000 Transmitter Step Action 6 Referring to figure in Step 5 Remove two retaining screws and carefully pull Temperature PWA straight up to disconnect it from the Main PWA T With component side of the new Main PWA facing up locate PROM socket on PWA See figure in step 5 for PROM location We recommend that you use a ground strap or ionizer when handling the PROM since electrostatic discharges can cause PROM failures 8 Align notch and Pin 1 of new PROM with the notch in IC socket on new Main PWA Carefully plug PROM into socket 1 iT lt q Pin 1 xX Notch Main PWA 9 Be sure that write protection jumper is in the desired position Also check if failsafe jumper is cut or intact as desired See SMV 3000 User s Manual for details on write protection and failsafe settings Main PWA Failsafe Jumper Procedure continued on next page gt Form 34 SM 33 03 Page 5 of 7 SMV 3000 Transmitter Main PWA and PROM Replacement Step 10 Action Align PWA connector on Temperature PWA over the connector on Main PWA and slide 11 connector pins through Temperature PWA connector See figure Replace two retaining screws and secure Temperature and Main PWA to bracket located2. Honeywell Smart Multivariable Transmitter SMV 3000 Main PWA Replacement Kit Instruction Main PWA Part number 51404205 503 PROM Part number 51197486 TAB Document Form 34 SM 33 03 Effective 09 01 Supersedes None Summary This instruction assumes that you are somewhat familiar with SMV 3000 transmitters and so it is designed to aid you in the replacement of the Main Printed Wiring Assembly PWA of your SMV 3000 Smart Multivariable Transmitter The procedures detail the removal and replacement of the Main PWA The replacement Main PWA and associated PROM to be installed on the Main PWA is a direct replacement for the existing PWA and PROM in your SMV 3000 transmitter n ATTENTION Once the Main PWA has been replaced the transmitter will require a bench calibration using precision ABSOLUTE pressure equipment and or precision DRAFT pressure equipment depending upon the transmitter model Refer to the SMV 3000 User s Manual for the correct procedure Tools Needed You will need the following tools and equipment to perform the replacement procedures e SCT 3000 Smart Configuration Toolkit software application loaded on a laptop PC e 3mm Allen wrench e Medium flat blade screwdriver e Medium phillips screwdriver A ATTENTION Aad This equipment contains devices that can be damaged by electrostatic discharge It is imperative that assemblies containing static sensitive devices are carried in conductive plastic bags When ad
3. justing or performing any work on such assemblies electrostatic discharge ESD mats grounded workstations and wrist straps must be used Form 34 SM 33 03 Page 1 of 7 SMV 3000 Transmitter Save Transmitter Database Main PWA and PROM Replacement Use the procedure in Table 1 to create a file containing the transmitter s database so that it can be downloaded to the transmitter after the Main PWA has been replaced Also record any transmitter status messages and the PROM serial number for reference before you begin the replacement procedure This procedure assumes that you are using the Smart Configuration Toolkit SCT 3000 connected to the SMV 3000 transmitter loop Table 1 Save SMV Transmitter Database Step Click on Display 1 SCT exe or the SCT SCT title window is displayed icon on your desktop 2 Enter user name 3 Upload from the Dialog box showing the upload action Device dropdown menu Communication OF T Status Click on the Upload Reading a 7 icon in the toolbar 4 Device Tab Displays the Device tab card 5 Status Tab Displays the status of the transmitter 6 Save As from the Dialog box that allows you to name a File dropdown menu file transmitter database to save Page 2 of 7 Result or Action A user name is required to open SCT application The SCT application is opened The transmitter database is uploaded to the SCT ATTENTION Be patient this ope
4. lent before you replace end cap Be sure to dress all lead wires away from end cap threads Tighten end cap lock Return transmitter to service and turn ON power Reconnect the SCT 3000 to the transmitter loop Using SCT to view the Device tab card verify that transmitters PROM serial number matches the original PROM number recorded on Page 3 If the numbers do not match contact Honeywell Technical Assistance Telephone numbers are given on last page of this instruction Open the file containing the transmitter database saved previously in Table 1 procedure Restore transmitters database by downloading file from the SCT to the transmitter Perform a download Using SCT check transmitter status and verify that status messages are same as those confirmed on Page 2 Technical Assistance If you encounter a problem during the replacement procedure you can obtain direct factory technical assistance by calling our Honeywell Solution Support Center between the hours of 8 00 am and 4 00 pm EST Monday through Friday 1 800 423 9883 U S only Or Outside the U S call 1 602 313 6510 You can also e mail your technical questions or comments about this product to Honeywell Solution Support Center e mail ace honeywell com Form 34 SM 33 03 Page 7 of 7
5. non hazardous prior to disconnecting or connecting the transmitter wires Assembly Diagram Electronics Module Flex Tape Temperature Input and Power Connector Connectors End cap Lock Figure 1 SMV Electronics Module and Connectors Form 34 SM 33 03 Page 3 of 7 SMV 3000 Transmitter Main PWA and PROM Replacement Replacing Main PWA The electronics module inside the SMV electronics housing consists of two PWAs The Main electronics PWA and the Temperature PWA The PWAs are attached to each other by screws a plastic bracket and a connector Table 2 SMV Main PWA Replacement Procedure Step Action 1 Remove power from the transmitter We recommend that you remove the transmitter from service and move it to a clean area before taking it apart 2 Loosen end cap lock 3mm Allen wrench on the electronics side of the electronics housing and unscrew the end cap See Figure 1 3 Release metal retaining clip from underside of electronics module Refer To Figure 1 e Unplug flex tape connector and power connector from electronics module e Unplug temperature input connector from Temperature PWA on underside of module 4 Loosen two captive mounting screws on topside of electronics module and carefully pull module out from transmitter housing 5 Remove screw holding the plastic bracket and retaining clip to Main PWA and remove bracket from Main PWA See figure Note that the end of temperature PWA engages slot in bracket
6. on underside of Main PWA Flex Tape Connector Main PWA Power Connector Retaining Clip Temperature PWA Temperature Input PWA Connector Connector PWA Connector Ea Screw Screw Replace plastic bracket and retaining clip over ends of Main PWA and Temperature PWA 12 Note that the end of Temperature PWA engages slot in bracket Secure with a screw Carefully insert electronics module back into transmitter housing Secure to housing with the 13 two captive mounting screws on topside of electronics module Refer to figure in step 10 and Figure 1 e Reconnect temperature input connector to Temperature PWA on underside of module e Reconnect flex tape connector and power connector to Main PWA e Secure metal retaining clip on underside of electronics module ATTENTION Once the Main PWA has been replaced the transmitter will require a bench calibration using precision ABSOLUTE pressure equipment and or precision DRAFT pressure equipment depending upon the transmitter model Refer to the SMV 3000 User s Manual for the correct procedure NOTE You may need to download a valid configuration to the transmitter before beginning the calibration Page 6 of 7 Procedure continued on next page gt Form 34 SM 33 03 Main PWA and PROM Replacement SMV 3000 Transmitter Step 14 15 16 17 18 19 Action Lubricate end cap threads and O ring with silicon grease such as Dow Corning 33 or equiva
7. ration may take up to five minutes or longer The tab card contains the following information about the transmitter Tag ID Transmitter type PROM serial number PROM ID and Firmware version Record the PROM serial number Record any status messages displayed in the window The transmitter database is saved as a SCT file that you named Record the file name Form 34 SM 33 03 Main PWA and PROM Replacement SMV 3000 Transmitter Record PROM ID The plug in PROM on the Main PWA is uniquely characterized to the meter body of the given transmitter For this reason each PROM is given a 10 digit identification number so you can verify that the new PROM is a correct match for the given transmitter The PROM identification number is stamped on the nameplate on the transmitter s meter body and appears on a label under the PROM Record the PROM number from the transmitter s meter body nameplate Verify that the number on the new PROM label matches the number on the transmitter s meter body and the PROM serial number recorded in step 4 on Page 2 If the numbers do not match contact Honeywell Technical Assistance Telephone numbers are given on last page of this instruction CAUTION A When installed in a hazardous location keep covers tight while the transmitter is energized Disconnect power to the transmitter in the non hazardous area prior to opening electronics housing for service or determine that the location is
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