NI PXI-2532 Relay Replacement

NI Switches

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NI PXI-2532 Relay Replacement

The NI PXI-2532 uses reed relays.

Refer to the following table for information about ordering replacement relays.

Relay Manufacturer Part Number
Meder CRR05-1A

Complete the following sets of steps to disassemble your switch module, replace a failed relay, and reassemble your switch module.

Disassemble the Switch Module

  1. Ground yourself using a grounding strap or a ground connected to your PXI chassis.
    Note  Properly grounding yourself prevents damage to your switch module from electrostatic discharge.
  2. Locate the relay you want to replace.
    1. Determine the channel name for the relay using the Bank Connection Diagram for your topology.
    2. Match the channel name to its corresponding relay name using the following tables.

      Top Mezzanine Board Relay Locations

      Channel
      Name      		 Relay
      Name      		 Channel
      Name      		 Relay
      Name      		 Channel
      Name      		 Relay
      Name      		 Channel
      Name      		 Relay
      Name
      B8ROC0 K144 B10R0C0 K176 B12R0CO K193 B14R0C0 K225
      B8ROC1 K143 B10R0C1 K175 B12R0C1 K194 B14R0C1 K226
      B8ROC2 K142 B10R0C2 K174 B12R0C2 K195 B14R0C2 K227
      B8ROC3 K141 B10R0C3 K173 B12R0C3 K196 B14R0C3 K228
      B8ROC4 K140 B10R0C4 K172 B12R0C4 K197 B14R0C4 K229
      B8ROC5 K139 B10R0C5 K171 B12R0C5 K198 B14R0C5 K230
      B8ROC6 K138 B10R0C6 K170 B12R0C6 K199 B14R0C6 K231
      B8ROC7 K137 B10R0C7 K169 B12R0C7 K200 B14R0C7 K232
      B8ROC8 K136 B10R0C8 K168 B12R0C8 K201 B14R0C8 K233
      B8ROC9 K135 B10R0C9 K167 B12R0C9 K202 B14R0C9 K234
      B8ROC10 K134 B10R0C10 K166 B12R0C1O K203 B14R0C10 K235
      B8ROC11 K133 B10R0C11 K165 B12R0C11 K204 B14R0C11 K236
      B8ROC12 K132 B10R0C12 K164 B12R0C12 K205 B14R0C12 K237
      B8ROC13 K131 B10R0C13 K163 B12R0C13 K206 B14R0C13 K238
      B8ROC14 K130 B10R0C14 K162 B12R0C14 K207 B14R0C14 K239
      B8ROC15 K129 B10R0C15 K161 B12R0C15 K208 B14R0C15 K240
      B8R1C0 K1 B10R1C0 K33 B12R1C0 K80 B14R1C0 K112
      B8R1C1 K2 B10R1C1 K34 B12R1C1 K79 B14R1C1 K111
      B8R1C2 K3 B10R1C2 K35 B12R1C2 K78 B14R1C2 K110
      B8R1C3 K4 B10R1C3 K36 B12R1C3 K77 B14R1C3 K109
      B8R1C4 K5 B10R1C4 K37 B12R1C4 K76 B14R1C4 K108
      B8R1C5 K6 B10R1C5 K38 B12R1C5 K75 B14R1C5 K107
      B8R1C6 K7 B10R1C6 K39 B12R1C6 K74 B14R1C6 K106
      B8R1C7 K8 B10R1C7 K40 B12R1C7 K73 B14R1C7 K105
      B8R1C8 K9 B10R1C8 K41 B12R1C8 K72 B14R1C8 K104
      B8R1C9 K10 B10R1C9 K42 B12R1C9 K71 B14R1C9 K103
      B8R1C10 K11 B10R1C10 K43 B12R1C10 K70 B14R1C10 K102
      B8R1C11 K12 B10R1C11 K44 B12R1C11 K69 B14R1C11 K101
      B8R1C12 K13 B10R1C12 K45 B12R1C12 K68 B14R1C12 K100
      B8R1C13 K14 B10R1C13 K46 B12R1C13 K67 B14R1C13 K99
      B8R1C14 K15 B10R1C14 K47 B12R1C14 K66 B14R1C14 K98
      B8R1C15 K16 B10R1C15 K48 B12R1C15 K65 B14R1C15 K97
      B9R0CO K160 B11R0CO K192 B13R0C0 K209 B15R0C0 K241
      B9R0C1 K159 B11R0C1 K191 B13R0C1 K210 B15R0C1 K242
      B9R0C2 K158 B11R0C2 K190 B13R0C2 K211 B15R0C2 K243
      B9R0C3 K157 B11R0C3 K189 B13R0C3 K212 B15R0C3 K244
      B9R0C4 K156 B11R0C4 K188 B13R0C4 K213 B15R0C4 K245
      B9R0C5 K155 B11R0C5 K187 B13R0C5 K214 B15R0C5 K246
      B9R0C6 K154 B11R0C6 K186 B13R0C6 K215 B15R0C6 K247
      B9R0C7 K153 B11R0C7 K185 B13R0C7 K216 B15R0C7 K248
      B9R0C8 K152 B11R0C8 K184 B13R0C8 K217 B15R0C8 K249
      B9R0C9 K151 B11R0C9 K183 B13R0C9 K218 B15R0C9 K250
      B9R0C10 K150 B11R0C1O K182 B13R0C10 K219 B15R0C10 K251
      B9R0C11 K149 B11R0C11 K181 B13R0C11 K220 B15R0C11 K252
      B9R0C12 K148 B11R0C12 K180 B13R0C12 K221 B15R0C012 K253
      B9R0C13 K147 B11R0C13 K179 B13R0C13 K222 B15R0C13 K254
      B9R0C14 K146 B11R0C14 K178 B13R0C14 K223 B15R0C14 K255
      B9R0C15 K145 B11R0C15 K177 B13R0C15 K224 B15R0C15 K256
      B9R1C0 K17 B11R1C0 K49 B13R1C0 K96 B15R1C0 K128
      B9R1C1 K18 B11R1C1 K50 B13R1C1 K95 B15R1C1 K127
      B9R1C2 K19 B11R1C2 K51 B13R1C2 K94 B15R1C2 K126
      B9R1C3 K20 B11R1C3 K52 B13R1C3 K93 B15R1C3 K125
      B9R1C4 K21 B11R1C4 K53 B13R1C4 K92 B15R1C4 K124
      B9R1C5 K22 B11R1C5 K54 B13R1C5 K91 B15R1C5 K123
      B9R1C6 K23 B11R1C6 K55 B13R1C6 K90 B15R1C6 K122
      B9R1C7 K24 B11R1C7 K56 B13R1C7 K89 B15R1C7 K121
      B9R1C8 K25 B11R1C8 K57 B13R1C8 K88 B15R1C8 K120
      B9R1C9 K26 B11R1C9 K58 B13R1C9 K87 B15R1C9 K119
      B9R1C10 K27 B11R1C10 K59 B13R1C10 K86 B15R1C10 K118
      B9R1C11 K28 B11R1C11 K60 B13R1C11 K85 B15R1C11 K117
      B9R1C12 K29 B11R1C12 K61 B13R1C12 K84 B15R1C12 K116
      B9R1C13 K30 B11R1C13 K62 B13R1C13 K83 B15R1C13 K115
      B9R1C14 K31 B11R1C14 K63 B13R1C14 K82 B15R1C14 K114
      B9R1C15 K32 B11R1C15 K64 B13R1C15 K81 B15R1C15 K113

      Bottom Mezzanine Board Relay Locations

      Channel
      Name      		 Relay
      Name      		 Channel
      Name      		 Relay
      Name      		 Channel
      Name      		 Relay
      Name      		 Channel
      Name      		 Relay
      Name
      BOROC0 K144 B2R0C0 K176 B4ROCO K193 B6R0C0 K225
      BOROC1 K143 B2R0C1 K175 B4ROC1 K194 B6R0C1 K226
      BOROC2 K142 B2R0C2 K174 B4ROC2 K195 B6R0C2 K227
      BOROC3 K141 B2R0C3 K173 B4ROC3 K196 B6R0C3 K228
      BOROC4 K140 B2R0C4 K172 B4ROC4 K197 B6R0C4 K229
      BOROC5 K139 B2R0C5 K171 B4ROC5 K198 B6R0C5 K230
      BOROC6 K138 B2R0C6 K170 B4ROC6 K199 B6R0C6 K231
      BOROC7 K137 B2R0C7 K169 B4ROC7 K200 B6R0C7 K232
      BOROC8 K136 B2R0C8 K168 B4ROC8 K201 B6R0C8 K233
      BOROC9 K135 B2R0C9 K167 B4ROC9 K202 B6R0C9 K234
      BOROC10 K134 B2R0C10 K166 B4ROC1O K203 B6R0C10 K235
      BOROC11 K133 B2R0C11 K165 B4ROC11 K204 B6R0C11 K236
      BOROC12 K132 B2R0C12 K164 B4ROC12 K205 B6R0C12 K237
      BOROC13 K131 B2R0C13 K163 B4ROC13 K206 B6R0C13 K238
      BOROC14 K130 B2R0C14 K162 B4ROC14 K207 B6R0C14 K239
      BOROC15 K129 B2R0C15 K161 B4ROC15 K208 B6R0C15 K240
      BOR1C0 K1 B2R1C0 K33 B4R1C0 K80 B6R1C0 K112
      BOR1C1 K2 B2R1C1 K34 B4R1C1 K79 B6R1C1 K111
      BOR1C2 K3 B2R1C2 K35 B4R1C2 K78 B6R1C3 K110
      BOR1C3 K4 B2R1C3 K36 B4R1C3 K77 B6R1C3 K109
      BOR1C4 K5 B2R1C4 K37 B4R1C4 K76 B6R1C4 K108
      BOR1C5 K6 B2R1C5 K38 B4R1C5 K75 B6R1C5 K107
      BOR1C6 K7 B2R1C6 K39 B4R1C6 K74 B6R1C6 K106
      BOR1C7 K8 B2R1C7 K40 B4R1C7 K73 B6R1C7 K105
      BOR1C8 K9 B2R1C8 K41 B4R1C8 K72 B6R1C8 K104
      BOR1C9 K10 B2R1C9 K42 B4R1C9 K71 B6R1C9 K103
      BOR1C10 K11 B2R1C10 K43 B4R1C10 K70 B6R1C10 K102
      BOR1C11 K12 B2R1C11 K44 B4R1C11 K69 B6R1C11 K101
      BOR1C12 K13 B2R1C12 K45 B4R1C12 K68 B6R1C12 K100
      BOR1C13 K14 B2R1C13 K46 B4R1C13 K67 B6R1C13 K99
      BOR1C14 K15 B2R1C14 K47 B4R1C14 K66 B6R1C14 K98
      BOR1C15 K16 B2R1C15 K48 B4R1C15 K65 B6R1C15 K97
      B1ROCO K160 B3ROC0 K192 B5R0C0 K209 B7R0C0 K241
      B1ROC1 K159 B3ROC1 K191 B5R0C1 K210 B7R0C1 K242
      B1ROC2 K158 B3ROC2 K190 B5R0C2 K211 B7R0C2 K243
      B1ROC3 K157 B3ROC3 K189 B5R0C3 K212 B7R0C3 K244
      B1ROC4 K156 B3ROC4 K188 B5R0C4 K213 B7R0C4 K245
      B1ROC5 K155 B3ROC5 K187 B5R0C5 K214 B7R0C5 K246
      B1ROC6 K154 B3ROC6 K186 B5R0C6 K215 B7R0C6 K247
      B1ROC7 K153 B3ROC7 K185 B5R0C7 K216 B7R0C7 K248
      B1ROC8 K152 B3ROC8 K184 B5R0C8 K217 B7R0C8 K249
      B1ROC9 K151 B3ROC9 K183 B5R0C9 K218 B7R0C9 K250
      B1ROC1O K150 B3ROC10 K182 B5R0C10 K219 B7R0C10 K251
      B1ROC11 K149 B3ROC11 K181 B5R0C11 K220 B7R0C11 K252
      B1ROC12 K148 B3ROC12 K180 B5R0C12 K221 B7R0C12 K253
      B1ROC13 K147 B3ROC13 K179 B5R0C13 K222 B7R0C13 K254
      B1ROC14 K146 B3ROC14 K178 B5R0C14 K223 B7R0C14 K255
      B1ROC15 K145 B3ROC15 K177 B5R0C15 K224 B7R0C15 K256
      B1R1CO K17 B3R1CO K49 B5R1CO K96 B7R1C0 K128
      B1R1C1 K18 B3R1C1 K50 B5R1C1 K95 B7R1C1 K127
      B1R1C2 K19 B3R1C2 K51 B5R1C2 K94 B7R1C2 K126
      B1R1C3 K20 B3R1C3 K52 B5R1C3 K93 B7R1C3 K125
      B1R1C4 K21 B3R1C4 K53 B5R1C4 K92 B7R1C4 K124
      B1R1C5 K22 B3R1C5 K54 B5R1C5 K91 B7R1C5 K123
      B1R1C6 K23 B3R1C6 K55 B5R1C6 K90 B7R1C6 K122
      B1R1C7 K24 B3R1C7 K56 B5R1C7 K89 B7R1C7 K121
      B1R1C8 K25 B3R1C8 K57 B5R1C8 K88 B7R1C8 K120
      B1R1C9 K26 B3R1C9 K58 B5R1C9 K87 B7R1C9 K119
      B1R1C1O K27 B3R1C1O K59 B5R1C1O K86 B7R1C10 K118
      B1R1C11 K28 B3R1C11 K60 B5R1C11 K85 B7R1C11 K117
      B1R1C12 K29 B3R1C12 K61 B5R1C12 K84 B7R1C12 K116
      B1R1C13 K30 B3R1C13 K62 B5R1C13 K83 B7R1C13 K115
      B1R1C14 K31 B3R1C14 K63 B5R1C14 K82 B7R1C14 K114
      B1R1C15 K32 B3R1C15 K64 B5R1C15 K81 B7R1C15 K113
    3. Use the relay name to locate the relay on the mezzanine board.
      Note  Relay names are printed on the mezzanine boards.
  3. Refer to Top Mezzanine Board Relay Replacement if the relay you want to replace is located on the top mezzanine board. Refer to Bottom Mezzanine Board Relay Replacement if the relay you want to replace is located on the bottom mezzanine board.


Top Mezzanine Board Relay Replacement

  1. Remove the top mezzanine board screws.

    1 Mezzanine Board Screws
    2 Driver Board
  2. Separate the top mezzanine board from the driver board and retain the plastic spacers from between the boards. Do not remove the plastic lead cover.

    1 Plastic Spacers
    2 Plastic Lead Cover
  3. Use a hot air station to replace the relays.
    Note  The replacement relay pads must be pre-tinned.
  4. Reconnect the top mezzanine board to the driver board by aligning pin holes 179 and 180 on the J4 and J5 connectors of the top mezzanine board with pins 179 and 180 of the J3 and J4 connectors on the driver board. Fold the mezzanine board over onto the driver board as shown in the following figure. Leave approximately 64 mm of clearance between the mezzanine board and the driver board. Do not press the boards together.

    1 Mezzanine Board J4 Connector
    2 Mezzanine Board J5 Connector
    3 Driver Board J3 Connector
    4 Driver Board J4 Connector
  5. Replace the plastic spacers between the driver board and top mezzanine board.
  6. Secure the top mezzanine board to the driver board using the screws from step 1.


Bottom Mezzanine Board Relay Replacement

  1. Remove the ejector handle assembly screw. Do not remove the plastic lead cover.

    1 Ejector Handle Screw
    2 Plastic Lead Cover
    3 Ejector Handle Assembly
  2. Remove the mezzanine board screws.

    1 Mezzanine Board Screws
    2 Driver Board
  3. Disconnect the PCB interconnect cable by lifting the PCB cable latch on the J2 connector.

    1 J2 Connector
    2 PCB Interconnect Cable
    3 PCB Cable Latch
  4. Separate the daughterboard assembly from the CMI bracket.

    1 CMI Bracket
    2 Daughterboard Assembly
  5. Separate the bottom mezzanine board from the driver board and retain the plastic spacers from between the boards.

    1 Plastic Spacers
    2 Driver Board
  6. Use a hot air station to replace the relays.
    Note  The replacement relay pads must be pre-tinned.
  7. Reconnect the bottom mezzanine board to the driver board by aligning pin holes 179 and 180 on the J4 and J5 connectors of the bottom mezzanine board with pins 179 and 180 of the J3 and J4 connectors on the driver board. Fold the mezzanine board over onto the driver board as shown in the following figure. Leave approximately 64 mm of clearance between the mezzanine board and the driver board. Do not press the boards together.

    1 Mezzanine Board J4 Connector
    2 Mezzanine Board J5 Connector
    3 Driver Board J3 Connector
    4 Driver Board J4 Connector
  8. Connect the PCB interconnect cable to the J2 connector on the bottom mezzanine board.
  9. Reconnect the daughterboard to the CMI bracket.
  10. Replace the plastic spacers between the driver board and bottom mezzanine board.
  11. Secure the daughterboard assembly to the CMI bracket using the screws from step 2.
  12. Replace the ejector handle assembly screw from step 1.
Tip  In NI-SWITCH 3.1 or later, you can use the Switch Soft Front panel to reset the relay count after you have replaced a failed relay.
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