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Gilbarco PA0242 Service Manual

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MDE-2381A
SERVICE
PA0242 Distribution Box
MANUAL
U L
R
GILBARCO INC., 7300 W. FRIENDLY AVENUE, P.O. BOX 22087, GREENSBORO, N.C. 27420
08/90/.5

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Summary of Contents for Gilbarco PA0242

  • Page 1 ® MDE-2381A SERVICE PA0242 Distribution Box MANUAL GILBARCO INC., 7300 W. FRIENDLY AVENUE, P.O. BOX 22087, GREENSBORO, N.C. 27420 08/90/.5...
  • Page 2 Long Nose Pliers Volt-Ohm Meter POWER SUPPLY The PA0242 contains its own power supply, and regulates the power to the loop current drivers. Two power supplies are available, one for115VAC operation and one for 230VAC operation. INCOMING DATA FROM CONTROLLER The Distribution Box accepts current loop signals from a controlling device, which are isolated by opto- coupled isolators.

  • Page 3: Jumper Settings

    JP2 through JP13 MUST be changed to Normal for each dispenser loop position installed. The normal condition for Jumper 1 is as follows: A = Console data loop communication enable PAGE 2 MDE-2381A Distribution Box PA0242 Service Manual © 1990 GILBARCO INC.

  • Page 4: Troubleshooting

    DISTRIBUTION BOARD Q12108-07 FIELD WIRE CONNECTORS Q12005-01 AC INPUT FUSE VOLTAGE TEST POINTS The voltage test points identified below should be helpful in servicing and troubleshooting the PA0242 if problems arise. GROUND TP3 +5VDC 12VDC PAGE 3 MDE-2381A Distribution Box PA0242 Service Manual © 1990 GILBARCO INC.
  • Page 5 FIGURE 1: DISTRIBUTION BOX DIAGRAM CHAN 12 CHAN 11 CHAN 10 CHAN 9 CHAN 8 CHAN 7 CHAN 6 CHAN 5 CHAN 4 CHAN 3 CHAN 2 CHAN 1 PAGE 4 MDE-2381A Distribution Box PA0242 Service Manual © 1990 GILBARCO INC.

  • Page 6: Troubleshooting Guide

    Defective current loop interface at the dispenser. NOTE: Varies with type of dispenser. Refer to dispenser Service Manuals. No dispenser terminates to data pair with jump jack in normal position. PAGE 5 MDE-2381A Distribution Box PA0242 Service Manual © 1990 GILBARCO INC.
  • Page 7 B. No Data Transmission (CR93-OFF). CAUSE: No power to dispenser. Data wire to dispenser open. Channel blown. No pump termination to data pair with jump jack in normal. PAGE 6 MDE-2381A Distribution Box PA0242 Service Manual © 1990 GILBARCO INC.
  • Page 8 3. Pump select button on console broke. broke. INDICATION: Loop continuity (CR17-ON). Example: Isolation jumper blocks data transmission from dispenser to console, even though the pump may be transmitting. (CR93-ON) PAGE 7 MDE-2381A Distribution Box PA0242 Service Manual © 1990 GILBARCO INC.
  • Page 9 TROUBLESHOOTING SERVICE FIGURE 2: T16960-G1S DISTRIBUTION BOARD PAGE 8 MDE-2381A Distribution Box PA0242 Service Manual © 1990 GILBARCO INC.
  • Page 10 PRINTED IN U.S.A. MDE-2381A 08/90/.5...