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SECTION 7 - MAINTENANCE INFORMATIONpickeringRELAY LOOK-UP TABLESThe following pages provide a cross reference between the cells and switches of the Versatile Relay Module and thephysical relays on the PCB. Table 8.1 can be used in the fault finding process and should be used in conjunction withthe PCB layout diagram in Figure 7.2 to identify the position of faulty relays. Cells are configured for the requiredrelay type using plug on configuration cards as shown in Figures 7.1, 7.3 and 7.4. The exact relay type and positionfor each cell of a particular configuration, as well as the corresponding connector pin out, is supplied with the modulein the same format as the examples in Appendix A.TABLE 8.1 - Relay Number/Cell Cross-reference for the Versatile Relay Module <strong>40</strong>-138SPST ConfigurationDPST ConfigurationCell Relays Used Relay Quantity1 RL1-6 6 of 62 RL7-12 6 of 63 RL13-18 6 of 64 RL19-24 6 of 65 RL25-30 6 of 66 RL31-36 6 of 67 RL37-42 6 of 68 RL43-48 6 of 69 RL49-54 6 of 610 RL55-60 6 of 611 RL61-66 6 of 612 RL67-72 6 of 613 RL73-80 8 of 8Cell Relays Used Relay Quantity1 RL1,3,5 3 of 62 RL7,9,11 3 of 63 RL13,15,17 3 of 64 RL19,21,23 3 of 65 RL25,27,29 3 of 66 RL31,33,35 3 of 67 RL37,39,41 3 of 68 RL43,45,47 3 of 69 RL49,51,53 3 of 610 RL55,57,59 3 of 611 RL61,63,65 3 of 612 RL67,69,71 3 of 613 RL73,75,77,79 4 of 8SPDT ConfigurationDPDT ConfigurationCell Relays Used Relay Quantity1 RL1-4 4 of 62 RL7-10 4 of 63 RL13-16 4 of 64 RL19-22 4 of 65 RL25-28 4 of 66 RL31-34 4 of 67 RL37-<strong>40</strong> 4 of 68 RL43-46 4 of 69 RL49-52 4 of 610 RL55-58 4 of 611 RL61-64 4 of 612 RL67-70 4 of 613 RL73-76 4 of 8Cell Relays Used Relay Quantity1 RL1,3 2 of 62 RL7,9 2 of 63 RL13,15 2 of 64 RL19,21 2 of 65 RL25,27 2 of 66 RL31,33 2 of 67 RL37,39 2 of 68 RL43,45 2 of 69 RL49,51 2 of 610 RL55,57 2 of 611 RL61,63 2 of 612 RL67,69 2 of 613 RL73,74 2 of 8NOTE: For a mixed configuration the relay cross-reference information is included on your custom pinout information sheetPage 7.2HIGH DENSITY 2A VERSATILE RELAY MODULE <strong>40</strong>-138
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