Chapter 2
Using the SCXI-1129
©
National Instruments Corporation
2-9
Figure 2-6.
8
×
16 Matrix Configuration
4 x 16 Matrix
Relays
4 x 16 Matrix
Relays
4 x 16 Matrix
Relays
4 x 16 Matrix
Relays
B1R0
–
B1R3
B1C0
–
B1C15
B2R0-B2R3
B1R4-B1R7
B2C0
–
B2C15
B2R4
–
B2R7
16 columns
16 columns
16 columns
16 columns
4 rows
4 rows
4 rows
4 rows
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
AB0
AB1
AB2
AB3
High-
Voltage
Rear
Signal
Connector
Digital
Comm.
Low-
Voltage
Rear
Panel
Signal
Connector
SCXIBus
Connector
B1R0 = Bank 1 Row 0
B1C0 = Bank 1 Column 0
Each row and column consists of two wires. One for source (+) and one for return (
–
).
Note: The analog bus relays have a built-in safety interlock. For safety reasons, they cannot be closed unless
a terminal block is connected.
0
1
2
3
Com0
Com1
Com2
Com3
SCXIBus
Interface
128 K x 8 SRAM
Scan List Memory
Digital Interface
and Control
(FPGA)
Calibration EEPROM
SCANADVD
EXTRIGIN
Front Signal
Connector
Connection Relays
Analog Bus Relays
SCXI-1337
Terminal
Block
SCXI-1129
Module
Содержание NI SCXI-1336
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