Chapter 1 Introduction to SCXI
© National Instruments Corporation 1-9 Getting Started with SCXI
Table 1-2.
Direct-Mount Terminal Blocks
Module
Terminal/
Connector
Block
Terminal Block or
Connector and Shell
CJC
Sensor
Other Features
SCXI-1100,
SCXI-1102/B/C
SCXI-1300 Terminal block Yes —
SCXI-1303 Terminal block Yes
1
Isothermal, signal referencing, and open
thermocouple detection
SCXI-1308 Terminal block No 0–20 mA and 4–20 mA current input
SCXI-1310 Connector and shell No Low-cost connector-and-shell assembly
SCXI-1104/C SCXI-1300 Terminal block Yes —
SCXI-1112 N/A No terminal block
required
N/A Connect thermocouples directly using
mini-thermocoupleconnectors,built-inCJC
sensor per channel
SCXI-1120/D,
SCXI-1121,
SCXI-1125
SCXI-1320 Terminal block Yes —
SCXI-1321
(for
SCXI-1121)
Terminal block Yes Offset-nulling and shunt calibration for
strain gauges
SCXI-1327 Terminal block Yes
1
100:1 attenuation of voltages to 250 V
rms
2
,
switch configurable per channel
SCXI-1328 Terminal block Yes
1
Isothermal design for thermocouples
SCXI-1330 Connector and shell No Low-cost connector-and-shell assembly
SCXI-1338 Terminal block No 0–20 mA and 4–20 mA current input
SCXI-1122 SCXI-1322 Terminal block Yes
1
—
SCXI-1124 SCXI-1325 Terminal block No —
SCXI-1126 SCXI-1305 Terminal block No AC/DC coupling, signal referencing,
switch-configurable per channel, BNC
connectors
SCXI-1320 Terminal block Yes —
SCXI-1327 Terminal block Yes
1
100:1 attenuation of voltages to 250 V
rms
2
,
switch configurable per channel