Veeder-Root TLS4/8601 Series Software/hardware Upgrade & Replacement Manual

Also see for TLS4/8601 Series: Troubleshooting guide Installation guide Troubleshooting manual Installation manual Troubleshooting guide

Contents

Component Replacement Procedures Replacing the USIOM Board103. Remove all plugs connected to the USIOM board (identified by arrows in Figure 6).4. Remove the two T15 #8 x 0.3125 screws securing the expansion comm port plate to the bottom of theconsole enclosure and set them aside with the comm plate. (see Figure 7).5. Remove the two T15 #6 x .375 screws securing the I.S. cover and right side of the USIOM board to theconsole chassis (see Figure 10). Set the plastic I.S. cover, the two T15 screws holding the cover aside.6. Remove the T15 #6 x 0.375 screw from the lower left corner of the USIOM board (see Figure 9) and set itaside.7. Remove the two T10 #4 x 0.625 screws from the opposite corners of the power supply board and set themaside (see Figure 8).8. With your fingers under the two I.S. sockets and your thumbs positioned on top of them, lift/pry the right sideof the USIOM board out enough to release the USIOM board from the snap-on retaining post between thetwo I.S. sockets (see Figure 11).9. With the USIOM board now free from the retaining post, swing the right side of the USIOM board toward youas you lift it free of the chassis.10. Install the replacement USIOM board by reversing steps 9 through 3 above.Figure 6. Remove all plugs attached to USIOM boardEB25918024123456789101112INTRINSICALLY SAFE WIRING TERMINALSWARNING: SUBSTITUTION OF COMPONENTS MAY IMPAIR INTRINSIC SAFETY. INTRINSICALLY SAFE CIRCUITS ARE ALSO RATEDAS CLASS 2 CIRCUITS. TERMINALS ARE FOR CONNECTION TO I.S. TANK PROBES AND SENSORS USED IN CLASS 1GROUP D HAZARDOUS LOCATIONS.MAX. ACINPUT RATINGS120/240 Vac, 2.0 AMAX. RELAYCONTACT RATING120/240 Vac, 5A30 Vdc, 5AFUSE RATING, 5A250 Vac TYPE T(SLO-BLO)MAX. EXTERNALCONTACT CLOSURECIRCUIT RATINGS12 Vdc, 0.015ANGL0°C ≤ Ta ≤ 50°CFOR SUPPLY CONNECTION, USE WIRESRATED FOR AT LEAST 90°C.RELAY 2RELAY 1RTN12VPWR STATPWR INTF1F25A(SLO-BLO)F45A(SLO-BLO)F6 0.75A (SLO-BLO)F7