NI PXI-2527 Independent Topology
When using the NI PXI-2527 in the independent topology, connect the signals using the NI TB-2627 terminal block. Select this topology to utilize the full routing capabilities of the NI PXI-2527.
With the independent topology, you can control the individual relays using the niSwitch Relay Control VI or the niSwitch_RelayControl function, or you can use the niSwitch Connect Channels VI or the niSwitch_Connect function.
Pinout
The following figure and table identify the pins for the NI PXI-2527 in the independent topology.
| Software Name | Pin Number | Software Name | Pin Number | ||
|---|---|---|---|---|---|
| + | – | + | – | ||
| ch0 | A1 | B1 | ch17 | D10 | C10 |
| ch1 | D1 | C1 | ch18 | A11 | B11 |
| ch2 | A2 | B2 | ch19 | D11 | C11 |
| ch3 | D2 | C2 | ch20 | A12 | B12 |
| ch4 | A3 | B3 | ch21 | D12 | C12 |
| ch5 | D3 | C3 | ch22 | A13 | B13 |
| ch6 | A4 | B4 | ch23 | D13 | C13 |
| ch7 | D4 | C4 | ch24 | A14 | B14 |
| ch8 | A5 | B5 | ch25 | D14 | C14 |
| ch9 | D5 | C5 | ch26 | A15 | B15 |
| ch10 | A6 | B6 | ch27 | D15 | C15 |
| ch11 | D6 | C6 | ch28 | A16 | B16 |
| ch12 | A7 | B7 | ch29 | D16 | C16 |
| ch13 | D7 | C7 | ch30 | A17 | B17 |
| ch14 | A8 | B8 | ch31 | D17 | C17 |
| ch15 | D8 | C8 | com0 | A9 | B9 |
| ch16 | A10 | B10 | com1 | A18 | B18 |
| cjtemp | A25 | D25 | — | — | — |
The following is a list of the valid internal channel names:
| pcom0 | pcom1 |
| 1wref0 | 1wref1 |
| cjtemp | icom0 |
| pcom1plus | pcom1minus |
| icom0plus | icom0minus |
| pcom0plus | pcom0minus |
| com1plus | com1minus |