National Instruments NI 5102 用户手册
Chapter 4
Hardware Overview
© National Instruments Corporation
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3.
Program the master device to output its internal timebase on the RTSI
bus clock line.
bus clock line.
4.
Program the master device to output its Scan Clock and Stop Trigger
on unused RTSI bus trigger lines.
on unused RTSI bus trigger lines.
5.
Program the slave device to use RTSI bus clock as its main timebase.
6.
Program the slave device to use external Scan Clock and external Stop
Trigger on RTSI bus trigger lines selected in step 4.
Trigger on RTSI bus trigger lines selected in step 4.
7.
Arm the slave device for acquisition before arming the master device.
♦ NI 5102 (PCMCIA, USB)
You need two SMB200 cables (optional) and two NI 5102 (PCMCIA) or
NI 5102 (USB) devices with cable assemblies to create a four-channel
digitizer as follows:
NI 5102 (USB) devices with cable assemblies to create a four-channel
digitizer as follows:
1.
Connect PFI1 of the master device to PFI1 of the slave device with the
SMB200 cable.
SMB200 cable.
2.
Connect PFI2 of the master device to PFI2 of the slave device with the
SMB200 cable.
SMB200 cable.
3.
Configure PFI1 of the master device to output Scan Clock and PFI2 of
the master device to output Stop Trigger.
the master device to output Stop Trigger.
4.
Configure the slave device to use external scans on PFI1, external Stop
Trigger on PFI2, and software Start Trigger.
Trigger on PFI2, and software Start Trigger.
5.
Arm the slave device for acquisition before arming the master device.
You cannot use the PFI1 and PFI2 lines on master and slave devices for any
other purpose when synchronizing two NI 5102s.
other purpose when synchronizing two NI 5102s.