National Instruments SCXI-1336 User Manual page 66

SCXI-1129 Block Diagram
B1R0 – B1R3
B2R0 – B2R3
B2R0 – B2R3
Front
Signal
Connector
B3R0 – B3R3
16 x 16
8 x 32
4 x 32
8 x 16
4 x 16
SCANADV
© National Instruments Corporation
Figure C-1 shows the SCXI-1129 high-density matrix module block
diagram. All row and column connections, as well as the triggers, are
accessed through the 180-pin connector on the front of the module. The
internal module structure is a quad, 4 × 16 column matrix. The matrix can
access the high-voltage analog backplane (HVAB) through the matrix
connection relays and the high-voltage bus relays.
4 x 16 Matrix
Relays
4 x 16 Matrix
Relays
4 x 16 Matrix
Relays
4 x 16 Matrix
Relays
Drive Circuitry (4 x 64 Lines)
Controlled by FPGA
4
EXTRIGIN
1
Calibration EEPROM
Matrix
Connection
Relays
Matrix
Connection
Relays
Matrix
Connection
Relays
Matrix
Connection
Relays
128 K x 8 SRAM
Scan List Memory
Digital Interface
and Control
(FPGA)
Figure C-1. SCXI-1129 Block Diagram
C-1
C
High-
Voltage
AB0 – AB3
High-Voltage
Bus
Rear Panel
Relays
with
Signal
Safety
Connector
Interlock
Com 0
Com 1
Com 2
Com 3
Digital
Comm.
Low-Voltage
Rear Panel
Signal
Connector
SCXIBus
Connector
SCXIBus
Interface
SCXI-1129 User Manual