SCXI-13xx, TBX, and BNC/TC Terminal Block Specifications
TBX Series
Specifications
Typical for 25˚ C unless otherwise noted.
Maximum working voltage (signal + common mode)
TBX-1316 ........................................ 1000 VDC, 680 Vrms
TBX-1325 ........................................ 250 Vrms
TBX-1326/1328/1329/24F .............. 300 Vrms
Signal referencing on TBX-1303
CH+ input........................................ 10 MΩ to +5 V (socketed)
CH- input......................................... 10 MΩ or 10 Ω to ground
(user configurable, socketed)
Typical for 25 ˚C unless otherwise noted.
SCXI-13xx
Cold-Junction Sensor
Accuracy and repeatability1
Accuracy
0 to 15 ˚C and 35 to 55 ˚C
Terminal Block
15 to 35 ˚C
Repeatability
SCXI-1300
SCXI-13032
SCXI-1320
SCXI-1321
SCXI-1322
SCXI-1327
SCXI-1328
1.3 °C
0.5 °C
1.3 °C
1.3 °C
0.8 °C
0.9 °C
0.5 °C
1.3 °C
0.85 °C
1.3 °C
1.3 °C
1.2 °C
1.3 °C
0.9 °C
0.5 °C
0.35 °C
0.5 °C
0.5 °C
0.4 °C
0.5 °C
0.2 °C
Input impedance for TBX-1316
Differential...................................... 40 MΩ
Single-ended................................... 20 MΩ
Absolute accuracy for TBX-1316
Gain error........................................ 1%
Temperature drift............................ 20 ppm/˚C
Sensor output for SCXI-1300,
SCXI-1320, SCXI-1321.................... 10 mV/˚C
SCXI-1303/1322/1327/1328........... 1.91 V (at 0 ˚C) to 0.58 V
(at 55 ˚C) (thermistor)
AC coupling (TBX-1329 only)
Maximum field wire gauge
Corner frequency ............................ 0.072 Hz 1-pole RC
DC rejection capacity ..................... 250 VDC
for SCXI-1300/1302/1303/
1314/1322/1324 ............................. 26-16 AWG
1301/1304/1313A/1315/1320/1321/
1325/1327/1328/1331/1332 .......... 26-14 AWG
AC coupling (SCXI-1304
and SCXI-1305)............................... The AC coupling circuitry on
each channel has a corner
Wire resistance of cables................... 0.21 Ω/m per conductor
Cold-Junction Sensor (TBX-1303 and TBX-1328)
Accuracy and repeatability4
Accuracy
frequency of 0.16 Hz, rejection
capacity of 50 VDC, and input
impedance of 2 MΩ differential,
Terminal Block
TBX-13033
TBX-1328
15 to 35 ˚C
0.5 ˚C
0.5 ˚C
0 to 15 ˚C and 35 to 55 ˚C
Repeatability
0.35 ˚C
0.2 ˚C
0.85 ˚C
0.9 ˚C
1 MΩ common mode
Sensor output...................................... 1.91 V (at 0 ˚C) to 0.58 V
(at 55 ˚C) (thermistor)
Corner frequency ............................ 0.16 Hz 1-pole RC
DC rejection capacity ..................... 50 VDC
Current input SCXI-1308/1338 ....... 0 to 20 mA
General
BNC-2095, TC-2095
Input connectors
BNC-2095........................................ 32 BNC connectors
TC-2095........................................... 32 thermocouple plugs,
uncompensated
Output (to SCXI module) ..................... 96-pin DIN
Cold-junction sensor (TC-2095)
Physical
Compatible DIN rails5 ......................... DIN EN 50 022, DIN EN 50 035
Screw terminal size
TBX-1316 ........................................ 26-12 AWG
Others ............................................. 26-14 AWG
Dimensions
Output ............................................. 1.91 V (0 ˚C) to 0.58 V (55 ˚C)
Accuracy (15 to 35 ˚C)3 ................... 0.5 ˚C for SCXI-1102/B/C
0.65 ˚C for SCXI-1100
TBX-13036........................................... 19.7 by 11.2 by 7.62 cm
(7.8 by 4.4 by 3.0 in.)
TBX-1316............................................. 30 by 20 by 8.1 cm
(11.8 by 7.9 by 3.2 in.)
TBX-1325/1326/1328/13296 .............. 12.7 by 11.2 by 7.62 cm
(5.0 by 4.4 by 3.0 in.)
Repeatability (15 to 35 ˚C)3 ............ 0.35 ˚C for SCXI-1102/B/C
0.5 ˚C for SCXI-1100
Signal referencing
CH+ input........................................ 10 MΩ to +5 V, user switchable
CH- input......................................... 10 MΩ or +10 Ω to ground,
user switchable 1-pole RC
TBX-24F...............................................
12.4 by 4.3 by 5.1 cm
(4.9 by 1.7 by 2.0 in.)
19.8 by 12.6 by 6.3 cm
(7.8 by 4.9 by 2.5 in.)
TBX-96.................................................
Physical
Dimensions.......................................... 49.3 by 4.3 by 18.8 cm
(19.0 by 1.7 by 7.4 in.)
BUY ONLINE at ni.com or CALL 800 813 3693 (U.S.)
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