The NI PXI-2529 is a 128-crosspoint, 2-wire matrix switch. Terminal block selection configures the module as a 4x32 or 8x16 matrix.
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Key product information and technical features.
Designed for high-channel-count switching, the PXI-2529 contains two matrix banks, each with four rows and sixteen columns. Front-mounted terminal blocks arrange these banks into the required topology.
Electromechanical relays provide low thermal offset for low-voltage measurements. Onboard relay counting supports relay monitoring, while hardware triggers enable deterministic switching operation.
Verified product specifications.
| Crosspoints | 128 |
|---|---|
| Switching mode | 2-wire |
| Matrix configurations | 4x32 or 8x16; terminal-block dependent |
| Maximum switching voltage, DC | 150 V |
| Maximum switching current, DC | 1 A |
| Scan rate | 120 cycles/s |
| Switch bandwidth | 10 MHz |
| Relay type | Electromechanical |
| Bus connection | PXI Hybrid |
| Front-panel connector | 100-pin HDI |
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Manufacturer
Module bus connection
Matrix switching module
TB-2634, TB-2635, or TB-2636 terminal blocks
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Product-specific answers based on available technical information.
No. NI identifies it as a 128-crosspoint, 2-wire PXI matrix switch module.
TB-2634 provides 4x32 ribbon-header connections; TB-2636 provides 4x32 screw-terminal connections. TB-2635 provides an 8x16 screw-terminal matrix.
NI lists 120 cycles/s. This is a scan-rate specification, not a 100 ns switching-time specification.