SWB-2816 Overview
- Updated2023-02-20
- 8 minute(s) read
SWB-2816 Overview
SWB-2816 Pinout
Type A
Signal | Description |
---|---|
ABx | Analog bus row connection |
Cx | Column connection |
GND | Safety interlock ground connection |
INTRLK | Safety interlock resistor connection |
— | No connection |
Type B
Signal | Description |
---|---|
Cx | Column connection |
GND | Safety interlock ground connection |
INTRLK | Safety interlock resistor connection |
— | No connection |
SWB-2816 Topology
Multiple modules of the same type can be combined. The following table lists possible topologies.
Number of Modules | Topology |
---|---|
1 | 1-Wire 8×46 Matrix |
2 | 1-Wire 8×92 Matrix |
3 | 1-Wire 8×138 Matrix |
4 | 1-Wire 8×184 Matrix |
5 | 1-Wire 8×230 Matrix |
6 | 1-Wire 8×276 Matrix |
1-Wire 86×4 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 card1r1 and c1 result in the following connection:
- signal connected to CARD1R1 is routed to C1
Relay Names
Refer to the following list for relay names of one module.
- kCARD1AB0
- kCARD1AB1
- kCARD1AB2
- kCARD1AB3
- kCARD1AB4
- kCARD1AB5
- kCARD1AB6
- kCARD1AB7
- kCARD1R0C0...kCARD1R0C45
- kCARD1R1C0...kCARD1R1C45
- kCARD1R2C0...kCARD1R2C45
- kCARD1R3C0...kCARD1R3C45
- kCARD1R4C0...kCARD1R4C45
- kCARD1R5C0...kCARD1R5C45
- kCARD1R6C0...kCARD1R6C45
- kCARD1R7C0...kCARD1R7C45
SWB-2816 Relay Replacement
The module uses reed relays.
Relay | Relay Manufacturer | Part Number |
---|---|---|
Matrix | Coto | 9117-0001 |
Safety (Reference Designators K18, K53, K168, and K283) | Tyco Electronics | 5-1462039-8 |
Relay Kit | Part Number |
---|---|
National Instruments (10 matrix relays) | 781451-10 |
National Instruments (10 safety relays) | 781089-10 |
Complete the following sets of steps to locate and replace a failed relay.
Disassemble the Card
- 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 figure and table
for relay locations.Note The insulator cover attaches to the two rightmost columns of matrix relays, outlined in bold on the relay map, and must be removed to replace these relays. You can replace these relays and the insulator cover by sending the card to National Instruments for a rework return material authorization (RMA) or by following the instructions in the relay replacement procedure.Note 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 K35 kcard1r1c40 K333 kcard1r3c42 K351 kcard1r5c44 K375 kcard1ab1 K17 kcard1r1c41 K334 kcard1r3c43 K352 kcard1r5c45 K376 kcard1ab2 K70 kcard1r1c42 K349 kcard1r3c44 K367 kcard1r6c0 K13 kcard1ab3 K52 kcard1r1c43 K350 kcard1r3c45 K368 kcard1r6c1 K14 kcard1ab4 K185 kcard1r1c44 K365 kcard1r4c0 K9 kcard1r6c2 K31 kcard1ab5 K167 kcard1r1c45 K366 kcard1r4c1 K10 kcard1r6c3 K32 kcard1ab6 K300 kcard1r2c0 K7 kcard1r4c2 K27 kcard1r6c4 K48 kcard1ab7 K282 kcard1r2c1 K8 kcard1r4c3 K28 kcard1r6c5 K49 kcard1r0c0 K5 kcard1r2c2 K25 kcard1r4c4 K44 kcard1r6c6 K66 kcard1r0c1 K6 kcard1r2c3 K26 kcard1r4c5 K45 kcard1r6c7 K67 kcard1r0c2 K23 kcard1r2c4 K42 kcard1r4c6 K62 kcard1r6c8 K83 kcard1r0c3 K24 kcard1r2c5 K43 kcard1r4c7 K63 kcard1r6c9 K84 kcard1r0c4 K40 kcard1r2c6 K60 kcard1r4c8 K79 kcard1r6c10 K99 kcard1r0c5 K41 kcard1r2c7 K61 kcard1r4c9 K80 kcard1r6c11 K100 kcard1r0c6 K58 kcard1r2c8 K77 kcard1r4c10 K95 kcard1r6c12 K115 kcard1r0c7 K59 kcard1r2c9 K78 kcard1r4c11 K96 kcard1r6c13 K116 kcard1r0c8 K75 kcard1r2c10 K93 kcard1r4c12 K111 kcard1r6c14 K131 kcard1r0c9 K76 kcard1r2c11 K94 kcard1r4c13 K112 kcard1r6c15 K132 kcard1r0c10 K91 kcard1r2c12 K109 kcard1r4c14 K127 kcard1r6c16 K147 kcard1r0c11 K92 kcard1r2c13 K110 kcard1r4c15 K128 kcard1r6c17 K148 kcard1r0c12 K107 kcard1r2c14 K125 kcard1r4c16 K143 kcard1r6c18 K163 kcard1r0c13 K108 kcard1r2c15 K126 kcard1r4c17 K144 kcard1r6c19 K164 kcard1r0c14 K123 kcard1r2c16 K141 kcard1r4c18 K159 kcard1r6c20 K181 kcard1r0c15 K124 kcard1r2c17 K142 kcard1r4c19 K160 kcard1r6c21 K182 kcard1r0c16 K139 kcard1r2c18 K157 kcard1r4c20 K177 kcard1r6c22 K198 kcard1r0c17 K140 kcard1r2c19 K158 kcard1r4c21 K178 kcard1r6c23 K199 kcard1r0c18 K155 kcard1r2c20 K175 kcard1r4c22 K194 kcard1r6c24 K214 kcard1r0c19 K156 kcard1r2c21 K176 kcard1r4c23 K195 kcard1r6c25 K215 kcard1r0c20 K173 kcard1r2c22 K192 kcard1r4c24 K210 kcard1r6c26 K230 kcard1r0c21 K174 kcard1r2c23 K193 kcard1r4c25 K211 kcard1r6c27 K231 kcard1r0c22 K190 kcard1r2c24 K208 kcard1r4c26 K226 kcard1r6c28 K246 kcard1r0c23 K191 kcard1r2c25 K209 kcard1r4c27 K227 kcard1r6c29 K247 kcard1r0c24 K206 kcard1r2c26 K224 kcard1r4c28 K242 kcard1r6c30 K262 kcard1r0c25 K207 kcard1r2c27 K225 kcard1r4c29 K243 kcard1r6c31 K263 kcard1r0c26 K222 kcard1r2c28 K240 kcard1r4c30 K258 kcard1r6c32 K278 kcard1r0c27 K223 kcard1r2c29 K241 kcard1r4c31 K259 kcard1r6c33 K279 kcard1r0c28 K238 kcard1r2c30 K256 kcard1r4c32 K274 kcard1r6c34 K296 kcard1r0c29 K239 kcard1r2c31 K257 kcard1r4c33 K275 kcard1r6c35 K297 kcard1r0c30 K254 kcard1r2c32 K272 kcard1r4c34 K292 kcard1r6c36 K313 kcard1r0c31 K255 kcard1r2c33 K273 kcard1r4c35 K293 kcard1r6c37 K314 kcard1r0c32 K270 kcard1r2c34 K290 kcard1r4c36 K309 kcard1r6c38 K329 kcard1r0c33 K271 kcard1r2c35 K291 kcard1r4c37 K310 kcard1r6c39 K330 kcard1r0c34 K288 kcard1r2c36 K307 kcard1r4c38 K325 kcard1r6c40 K345 kcard1r0c35 K289 kcard1r2c37 K308 kcard1r4c39 K326 kcard1r6c41 K346 kcard1r0c36 K305 kcard1r2c38 K323 kcard1r4c40 K341 kcard1r6c42 K361 kcard1r0c37 K306 kcard1r2c39 K324 kcard1r4c41 K342 kcard1r6c43 K362 kcard1r0c38 K321 kcard1r2c40 K339 kcard1r4c42 K357 kcard1r6c44 K377 kcard1r0c39 K322 kcard1r2c41 K340 kcard1r4c43 K358 kcard1r6c45 K378 kcard1r0c40 K337 kcard1r2c42 K355 kcard1r4c44 K373 kcard1r7c0 K16 kcard1r0c41 K338 kcard1r2c43 K356 kcard1r4c45 K374 kcard1r7c1 K15 kcard1r0c42 K353 kcard1r2c44 K371 kcard1r5c0 K11 kcard1r7c2 K34 kcard1r0c43 K354 kcard1r2c45 K372 kcard1r5c1 K12 kcard1r7c3 K33 kcard1r0c44 K369 kcard1r3c0 K3 kcard1r5c2 K29 kcard1r7c4 K51 kcard1r0c45 K370 kcard1r3c1 K4 kcard1r5c3 K30 kcard1r7c5 K50 kcard1r1c0 K1 kcard1r3c2 K21 kcard1r5c4 K46 kcard1r7c6 K69 kcard1r1c1 K2 kcard1r3c3 K22 kcard1r5c5 K47 kcard1r7c7 K68 kcard1r1c2 K19 kcard1r3c4 K38 kcard1r5c6 K64 kcard1r7c8 K86 kcard1r1c3 K20 kcard1r3c5 K39 kcard1r5c7 K65 kcard1r7c19 K85 kcard1r1c4 K36 kcard1r3c6 K56 kcard1r5c8 K81 kcard1r7c10 K102 kcard1r1c5 K37 kcard1r3c7 K57 kcard1r5c9 K82 kcard1r7c11 K101 kcard1r1c6 K54 kcard1r3c8 K73 kcard1r5c10 K97 kcard1r7c12 K118 kcard1r1c7 K55 kcard1r3c9 K74 kcard1r5c11 K98 kcard1r7c13 K117 kcard1r1c8 K71 kcard1r3c10 K89 kcard1r5c12 K113 kcard1r7c14 K134 kcard1r1c9 K72 kcard1r3c11 K90 kcard1r5c13 K114 kcard1r7c15 K133 kcard1r1c10 K87 kcard1r3c12 K105 kcard1r5c14 K129 kcard1r7c16 K150 kcard1r1c11 K88 kcard1r3c13 K106 kcard1r5c15 K130 kcard1r7c17 K149 kcard1r1c12 K103 kcard1r3c14 K121 kcard1r5c16 K145 kcard1r7c18 K165 kcard1r1c13 K104 kcard1r3c15 K122 kcard1r5c17 K146 kcard1r7c19 K166 kcard1r1c14 K119 kcard1r3c16 K137 kcard1r5c18 K161 kcard1r7c20 K183 kcard1r1c15 K120 kcard1r3c17 K138 kcard1r5c19 K162 kcard1r7c21 K184 kcard1r1c16 K135 kcard1r3c18 K153 kcard1r5c20 K179 kcard1r7c22 K200 kcard1r1c17 K136 kcard1r3c19 K154 kcard1r5c21 K180 kcard1r7c23 K201 kcard1r1c18 K151 kcard1r3c20 K171 kcard1r5c22 K196 kcard1r7c24 K216 kcard1r1c19 K152 kcard1r3c21 K172 kcard1r5c23 K197 kcard1r7c25 K217 kcard1r1c20 K169 kcard1r3c22 K188 kcard1r5c24 K212 kcard1r7c26 K232 kcard1r1c21 K170 kcard1r3c23 K189 kcard1r5c25 K213 kcard1r7c27 K233 kcard1r1c22 K186 kcard1r3c24 K204 kcard1r5c26 K228 kcard1r7c28 K249 kcard1r1c23 K187 kcard1r3c25 K205 kcard1r5c27 K229 kcard1r7c29 K248 kcard1r1c24 K202 kcard1r3c26 K220 kcard1r5c28 K244 kcard1r7c30 K264 kcard1r1c25 K203 kcard1r3c27 K221 kcard1r5c29 K245 kcard1r7c31 K265 kcard1r1c26 K218 kcard1r3c28 K236 kcard1r5c30 K260 kcard1r7c32 K281 kcard1r1c27 K219 kcard1r3c29 K237 kcard1r5c31 K261 kcard1r7c33 K280 kcard1r1c28 K234 kcard1r3c30 K252 kcard1r5c32 K276 kcard1r7c34 K299 kcard1r1c29 K235 kcard1r3c31 K253 kcard1r5c33 K277 kcard1r7c35 K298 kcard1r1c30 K250 kcard1r3c32 K268 kcard1r5c34 K294 kcard1r7c36 K315 kcard1r1c31 K251 kcard1r3c33 K269 kcard1r5c35 K295 kcard1r7c37 K316 kcard1r1c32 K266 kcard1r3c34 K286 kcard1r5c36 K311 kcard1r7c38 K331 kcard1r1c33 K267 kcard1r3c35 K287 kcard1r5c37 K312 kcard1r7c39 K332 kcard1r1c34 K284 kcard1r3c36 K303 kcard1r5c38 K327 kcard1r7c40 K347 kcard1r1c35 K285 kcard1r3c37 K304 kcard1r5c39 K328 kcard1r7c41 K348 kcard1r1c36 K301 kcard1r3c38 K319 kcard1r5c40 K343 kcard1r7c42 K363 kcard1r1c37 K302 kcard1r3c39 K320 kcard1r5c41 K344 kcard1r7c43 K364 kcard1r1c38 K317 kcard1r3c40 K335 kcard1r5c42 K359 kcard1r7c44 K379 kcard1r1c39 K318 kcard1r3c41 K336 kcard1r5c43 K360 kcard1r7c45 K380 - Remove the screws that hold one side of the insulator cover to the card.
1 Switch Module 3 Screws 2 Insulator Cover - Lift the insulator cover to access the relays. To replace a relay in one of the
two rightmost columns of matrix relays, carefully peel the adhesive strip of the
insulator cover off of these two columns of relays.
1 Switch Module 2 Insulator Cover
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
Refer to one of the following procedures to reassemble your card after replacing any relays.
Reassembly If Insulator Cover Was Not Removed
If you only replaced relays outside of the two rightmost columns of matrix relays, and therefore did not remove the adhesive strip of the insulator cover, complete Disassemble the Card in reverse order to reassemble your card.
Reassembly If Insulator Cover Was Removed
If you removed the insulator cover, including the adhesive strip, to replace a relay in one of the two rightmost columns of matrix relays, complete the following steps to reassemble your card.
- Use screws to attach one side of the replacement insulator cover to the
card.
1 Switch Module 3 Screws 2 Insulator Cover - Lift the unattached side of the replacement insulator cover and remove the liner
from the adhesive strip.
1 Adhesive Strip 3 Switch Module 2 Insulator Cover - Firmly press the adhesive strip on top of the two rightmost columns of matrix relays.