© National Instruments | 1-3
NI 651x User Manual
Figure 1-3. NI 6512 Block Diagram
Figure 1-4. NI 6513 Block Diagram
Figure 1-5. NI 6514 Block Diagram
Industrial Digital
Output Control FPGA
Output Lines
Programmable
Power-Up States
Watchdog Timer
64 Digital
Outputs
PX.COM
PX.Vcc
PX.<0..7>
8
x8 Bank Isolated Digital Output Ports
PCI/PXI/CompactPCI Bus
10 MHz
Clock
Data/Control
PCI Bus
Interface
Data/Control
Flash
Memory
Configuration
Control
DO
x8 Outputs per Port
Voltage
Regulator
I/O Connector
I/O Connector
PX.COM (Vcc)
PX.<0..7>
PX.GND
DO
x8 Outputs per Port
x8 Bank Isolated Digital Output Ports
Industrial Digital
Output Control FPGA
Output Lines
Programmable
Power-Up States
Watchdog Timer
PCI/PXI/CompactPCI Bus
Data/Control
PCI Bus
Interface
Data/Control
Flash
Memory
Configuration
Control
Voltage
Regulator
64 Digital
Outputs
10 MHz
Clock
PX.Vcc
PX.<0..7>
PX.COM
8
x4 Bank Isolated Digital Output Ports
PCI/PXI/CompactPCI Bus
Data/Control
PCI Bus
Interface
Data/Control
Flash
Memory
Configuration
Control
10 MHz
Clock
32
Digital
Outputs
Industrial Digital
I/O Control FPGA
DIO Lines
Programmable
Power-Up States
Watchdog Timer
Change
Detection
Digital
Filtering
32
Digital
Inputs
I/O Connector
8
PX.COM
PX.<0..7>
Vcc
x4 Bank Isolated Digital Input Ports
x8 Inputs per Port
DI
DO
x8 Outputs per Port
Voltage
Regulator