The pinout of Connector 0 of M Series devices is very similar to the pinout of 68-pin E Series devices. On M Series devices, some terminals have enhanced functionality or other slight differences. The following table compares the two pinouts.
| Terminal | E Series Terminal1 | M Series Terminal | Differences | ||||||||||||||||||||||||||||||||||||||||||||||||||||
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E Series devices drive each of these terminals with one particular internal timing signal.
M Series devices can drive each terminal with the same signal as on E Series devices. On M Series devices, you also can route many other internal timing signals to each terminal. On M Series devices, you also can use these terminals as additional PFI inputs to drive internal timing signals. On M Series devices, you also can use these terminals as Digital I/O signals. Also refer to PFI. |
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As a PFI input, the functionality of E Series and M Series devices is similar for these terminals.
E Series devices can drive each of these terminals with one particular internal timing signal. M Series devices can drive each terminal with the same signal as on E Series devices. On M Series devices, you also can route many other internal timing signals to each terminal On M Series devices, you also can use these terminals as Digital I/O signals. Also refer to PFI. |
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| 11 | PFI0/AI START TRIG (TRIG1) | PFI 0/P1.0 | On E Series devices, as an input, this terminal can either be a PFI input or the analog trigger input.
On M Series devices, as an input, this terminal can only be a PFI input. Analog triggers use the APFI <0..1> terminals. E Series devices can drive this terminal with the AI START TRIG signal. M Series devices, as an output, can drive this terminal with the AI START TRIG signal. You also can route many other internal timing signals to this terminal. On M Series devices, you also can use this terminal as the digital I/O signal, P1.0. Also refer to PFI. |
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On both E Series and M Series devices, these terminals are digital I/O signals. You can individually configure each signal as an input or output.
On E Series devices, P0.6 and P0.7 also can control the up/down signal of general-purpose Counters 0 and 1, respectively. On M Series devices, you have to use one of the PFI terminals to control the up/down signal of general-purpose Counters 0 and 1. |
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| 20 | AO EXT REF (EXTREF) | APFI 0 | On E Series devices, this terminal is the external reference input for the AO circuitry.
On M Series devices, this terminal can be used as the external reference input for the AO circuitry, the external offset for the AO circuitry, or the analog trigger input. These functions are not available on all devices. Refer to the specifications for your device. Notice that this terminal is a no connect on some E Series and M Series devices. |
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| 39 | D GND | PFI 15/P2.7 | On E Series devices, this is one of the D GND terminals. On M Series devices, this is the PFI 15/P2.7 terminal. | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1 In NI-DAQmx, National Instruments has revised terminal names so they are easier to understand and more consistent among National Instruments hardware and software products. This column shows the NI-DAQmx terminal names (Traditional NI-DAQ terminal names are shown in parentheses). | |||||||||||||||||||||||||||||||||||||||||||||||||||||||