SWB-2834 Overview
- Updated2023-02-20
- 6 minute(s) read
SWB-2834 Overview
SWB-2834 Pinout
Type A
Signal | Description |
---|---|
ABxW0 | Wire 0 analog bus row connection |
ABxW1 | Wire 1 analog bus row connection |
CxW0 | Wire 0 column connection |
CxW1 | Wire 1 column connection |
GND | Safety interlock ground connection |
INTRLK | Safety interlock resistor connection |
— | No connection |
Type B
Signal | Description |
---|---|
CxW0 | Wire 0 column connection |
CxW1 | Wire 1 column connection |
GND | Safety interlock ground connection |
INTRLK | Safety interlock resistor connection |
— | No connection |
SWB-2834 Topology
Multiple modules of the same type can be combined. The following table lists possible topologies.
Number of Modules | Topology |
---|---|
1 | 2-Wire 8×34 Matrix |
2 | 2-Wire 8×68 Matrix |
3 | 2-Wire 8×102 Matrix |
2-Wire 8×34 Matrix
Module software name: Configured Topology (NISWITCH_TOPOLOGY_CONFIGURED_TOPOLOGY)
Hardware Diagram
Making a Connection
The immediate operation, the niSwitch Connect Channels VI or the niSwitch_Connect function with parameters card1r2 and c1 result in the following connection:
- signal connected to CARD1R2W0 is routed to C1W0
- signal connected to CARD1R2W1 is routed to C1W1
Relay Names
Refer to the following list for relay names of one module.
- kCARD1AB0...kCARD1AB7
- kCARD1R0C0...kCARD1R0C33
- kCARD1R1C0...kCARD1R1C33
- kCARD1R2C0...kCARD1R2C33
- kCARD1R3C0...kCARD1R3C33
- kCARD1R4C0...kCARD1R0C33
- kCARD1R5C0...kCARD1R1C33
- kCARD1R6C0...kCARD1R2C33
- kCARD1R7C0...kCARD1R3C33
SWB-2834 Relay Replacement
The module uses reed relays.
Relay | Relay Manufacturer | Part Number |
---|---|---|
Matrix | Tyco Electronics | 7-1462039-8 |
Safety (Reference Designators K10, K20, K30, K40, K50, K60, K70, and K80) | Tyco Electronics | 5-1462039-8 |
Relay Kit | Part Number |
---|---|
National Instruments (10 matrix relays) | 781678-10 |
National Instruments (10 safety relays) | 781089-10 |
Complete the following sets of steps to locate and replace a failed relay.
Locate the Relay
- Ground yourself using a grounding strap or a ground connected to your PXI
chassis. Note Properly grounding yourself prevents damage to your module from electrostatic discharge.
- Locate the relay you want to replace. Refer to the following figures and table for relay locations.
PCB1 Relay Map
PCB2 Relay Map
The relay names in the following table correspond to a single-card device.
Relay Name | Reference Designator | Relay Name | Reference Designator | Relay Name | Reference Designator | Relay Name | Reference Designator |
---|---|---|---|---|---|---|---|
kcard1ab0 | K19 | kcard1r1c28 | K225 | kcard1r3c30 | K256 | kcard1r5c32 | K285 |
kcard1ab1 | K29 | kcard1r1c29 | K214 | kcard1r3c31 | K266 | kcard1r5c33 | K295 |
kcard1ab2 | K49 | kcard1r1c30 | K224 | kcard1r3c32 | K245 | kcard1r6c0 | K313 |
kcard1ab3 | K69 | kcard1r1c31 | K223 | kcard1r3c33 | K255 | kcard1r6c1 | K324 |
kcard1ab4 | K90 | kcard1r1c32 | K212 | kcard1r4c0 | K283 | kcard1r6c2 | K323 |
kcard1ab5 | K112 | kcard1r1c33 | K222 | kcard1r4c1 | K294 | kcard1r6c3 | K312 |
kcard1ab6 | K123 | kcard1r2c0 | K264 | kcard1r4c2 | K293 | kcard1r6c4 | K322 |
kcard1ab7 | K134 | kcard1r2c1 | K254 | kcard1r4c3 | K282 | kcard1r6c5 | K124 |
kcard1r0c0 | K221 | kcard1r2c2 | K253 | kcard1r4c4 | K272 | kcard1r6c6 | K114 |
kcard1r0c1 | K210 | kcard1r2c3 | K263 | kcard1r4c5 | K102 | kcard1r6c7 | K126 |
kcard1r0c2 | K209 | kcard1r2c4 | K241 | kcard1r4c6 | K81 | kcard1r6c8 | K115 |
kcard1r0c3 | K220 | kcard1r2c5 | K51 | kcard1r4c7 | K92 | kcard1r6c9 | K331 |
kcard1r0c4 | K208 | kcard1r2c6 | K41 | kcard1r4c8 | K82 | kcard1r6c10 | K321 |
kcard1r0c5 | K1 | kcard1r2c7 | K31 | kcard1r4c9 | K281 | kcard1r6c11 | K105 |
kcard1r0c6 | K2 | kcard1r2c8 | K52 | kcard1r4c10 | K291 | kcard1r6c12 | K116 |
kcard1r0c7 | K3 | kcard1r2c9 | K240 | kcard1r4c11 | K63 | kcard1r6c13 | K106 |
kcard1r0c8 | K12 | kcard1r2c10 | K251 | kcard1r4c12 | K73 | kcard1r6c14 | K117 |
kcard1r0c9 | K219 | kcard1r2c11 | K43 | kcard1r4c13 | K74 | kcard1r6c15 | K118 |
kcard1r0c10 | K207 | kcard1r2c12 | K33 | kcard1r4c14 | K84 | kcard1r6c16 | K320 |
kcard1r0c11 | K4 | kcard1r2c13 | K44 | kcard1r4c15 | K75 | kcard1r6c17 | K107 |
kcard1r0c12 | K13 | kcard1r2c14 | K55 | kcard1r4c16 | K290 | kcard1r6c18 | K119 |
kcard1r0c13 | K5 | kcard1r2c15 | K45 | kcard1r4c17 | K76 | kcard1r6c19 | K131 |
kcard1r0c14 | K14 | kcard1r2c16 | K250 | kcard1r4c18 | K86 | kcard1r6c20 | K309 |
kcard1r0c15 | K6 | kcard1r2c17 | K36 | kcard1r4c19 | K87 | kcard1r6c21 | K141 |
kcard1r0c16 | K206 | kcard1r2c18 | K46 | kcard1r4c20 | K279 | kcard1r6c22 | K100 |
kcard1r0c17 | K15 | kcard1r2c19 | K47 | kcard1r4c21 | K98 | kcard1r6c23 | K122 |
kcard1r0c18 | K16 | kcard1r2c20 | K260 | kcard1r4c22 | K99 | kcard1r6c24 | K319 |
kcard1r0c19 | K7 | kcard1r2c21 | K57 | kcard1r4c23 | K88 | kcard1r6c25 | K101 |
kcard1r0c20 | K217 | kcard1r2c22 | K48 | kcard1r4c24 | K269 | kcard1r6c26 | K308 |
kcard1r0c21 | K17 | kcard1r2c23 | K58 | kcard1r4c25 | K89 | kcard1r6c27 | K318 |
kcard1r0c22 | K8 | kcard1r2c24 | K249 | kcard1r4c26 | K288 | kcard1r6c28 | K307 |
kcard1r0c23 | K18 | kcard1r2c25 | K59 | kcard1r4c27 | K278 | kcard1r6c29 | K317 |
kcard1r0c24 | K216 | kcard1r2c26 | K237 | kcard1r4c28 | K267 | kcard1r6c30 | K316 |
kcard1r0c25 | K9 | kcard1r2c27 | K248 | kcard1r4c29 | K277 | kcard1r6c31 | K326 |
kcard1r0c26 | K205 | kcard1r2c28 | K236 | kcard1r4c30 | K276 | kcard1r6c32 | K305 |
kcard1r0c27 | K215 | kcard1r2c29 | K246 | kcard1r4c31 | K286 | kcard1r6c33 | K315 |
kcard1r0c28 | K204 | kcard1r2c30 | K235 | kcard1r4c32 | K265 | kcard1r7c0 | K344 |
kcard1r0c29 | K213 | kcard1r2c31 | K234 | kcard1r4c33 | K275 | kcard1r7c1 | K334 |
kcard1r0c30 | K203 | kcard1r2c32 | K244 | kcard1r5c0 | K314 | kcard1r7c2 | K333 |
kcard1r0c31 | K202 | kcard1r2c33 | K233 | kcard1r5c1 | K304 | kcard1r7c3 | K343 |
kcard1r0c32 | K211 | kcard1r3c0 | K284 | kcard1r5c2 | K303 | kcard1r7c4 | K342 |
kcard1r0c33 | K201 | kcard1r3c1 | K274 | kcard1r5c3 | K302 | kcard1r7c5 | K135 |
kcard1r1c0 | K243 | kcard1r3c2 | K273 | kcard1r5c4 | K292 | kcard1r7c6 | K136 |
kcard1r1c1 | K232 | kcard1r3c3 | K262 | kcard1r5c5 | K113 | kcard1r7c7 | K125 |
kcard1r1c2 | K231 | kcard1r3c4 | K252 | kcard1r5c6 | K103 | kcard1r7c8 | K137 |
kcard1r1c3 | K242 | kcard1r3c5 | K91 | kcard1r5c7 | K93 | kcard1r7c9 | K332 |
kcard1r1c4 | K230 | kcard1r3c6 | K61 | kcard1r5c8 | K104 | kcard1r7c10 | K341 |
kcard1r1c5 | K11 | kcard1r3c7 | K71 | kcard1r5c9 | K301 | kcard1r7c11 | K127 |
kcard1r1c6 | K21 | kcard1r3c8 | K72 | kcard1r5c10 | K311 | kcard1r7c12 | K138 |
kcard1r1c7 | K32 | kcard1r3c9 | K261 | kcard1r5c11 | K83 | kcard1r7c13 | K128 |
kcard1r1c8 | K22 | kcard1r3c10 | K271 | kcard1r5c12 | K94 | kcard1r7c14 | K139 |
kcard1r1c9 | K218 | kcard1r3c11 | K62 | kcard1r5c13 | K95 | kcard1r7c15 | K129 |
kcard1r1c10 | K229 | kcard1r3c12 | K53 | kcard1r5c14 | K85 | kcard1r7c16 | K330 |
kcard1r1c11 | K42 | kcard1r3c13 | K64 | kcard1r5c15 | K96 | kcard1r7c17 | K140 |
kcard1r1c12 | K23 | kcard1r3c14 | K54 | kcard1r5c16 | K300 | kcard1r7c18 | K130 |
kcard1r1c13 | K24 | kcard1r3c15 | K65 | kcard1r5c17 | K108 | kcard1r7c19 | K132 |
kcard1r1c14 | K34 | kcard1r3c16 | K270 | kcard1r5c18 | K97 | kcard1r7c20 | K340 |
kcard1r1c15 | K25 | kcard1r3c17 | K56 | kcard1r5c19 | K109 | kcard1r7c21 | K142 |
kcard1r1c16 | K228 | kcard1r3c18 | K66 | kcard1r5c20 | K310 | kcard1r7c22 | K133 |
kcard1r1c17 | K35 | kcard1r3c19 | K67 | kcard1r5c21 | K120 | kcard1r7c23 | K143 |
kcard1r1c18 | K26 | kcard1r3c20 | K280 | kcard1r5c22 | K110 | kcard1r7c24 | K329 |
kcard1r1c19 | K27 | kcard1r3c21 | K77 | kcard1r5c23 | K121 | kcard1r7c25 | K144 |
kcard1r1c20 | K239 | kcard1r3c22 | K68 | kcard1r5c24 | K299 | kcard1r7c26 | K328 |
kcard1r1c21 | K37 | kcard1r3c23 | K78 | kcard1r5c25 | K111 | kcard1r7c27 | K339 |
kcard1r1c22 | K28 | kcard1r3c24 | K259 | kcard1r5c26 | K289 | kcard1r7c28 | K327 |
kcard1r1c23 | K38 | kcard1r3c25 | K79 | kcard1r5c27 | K298 | kcard1r7c29 | K338 |
kcard1r1c24 | K227 | kcard1r3c26 | K258 | kcard1r5c28 | K287 | kcard1r7c30 | K337 |
kcard1r1c25 | K39 | kcard1r3c27 | K268 | kcard1r5c29 | K297 | kcard1r7c31 | K325 |
kcard1r1c26 | K238 | kcard1r3c28 | K257 | kcard1r5c30 | K296 | kcard1r7c32 | K336 |
kcard1r1c27 | K226 | kcard1r3c29 | K247 | kcard1r5c31 | K306 | kcard1r7c33 | K335 |
Disassemble the Card
Complete the following steps to disassemble the module.
- Remove the six screws from the top of PCB1.
- Gently separate PCB1 and PCB2.
1 PCB1 3 Screws 2 PCB2
Replace the Relay
The module uses lead-free assemblies.
Make sure that you have the following items:
- Temperature-regulated soldering iron set to 371 °C (700 °F) for lead-free solder rework
- 96.5/3.0/0.5 Tin/Silver/Copper solder (flux core) for lead-free solder rework
- Solder wick
- Fine pick
- Isopropyl alcohol
- Cotton swabs
Replace the relay as you would any other through-hole part. Trim the replaced relay leads to no more than 0.5 mm (0.02 inch) from the PCB.
Reassemble the Card
Complete Disassemble the Card in reverse order to reassemble your switch module.