background image

SCXI-1314T TEDS Bridge Sensor Terminal Block

16

ni.com

TEDS-Related Information

You can find more TEDS-related information in the following locations:

Measurement & Automation Explorer Help for NI-DAQmx

 and the 

NI-DAQmx Help

ni.com/info

, entering any of the following info codes:

rdsenr

rdpnpy

rdpnsn

rdted6

rdrscl

Specifications

All specifications are typical at 25 °C unless otherwise specified.

Electrical

Shunt calibration resistors ......................RN-55 style 1/4 W

Accuracy of resistors

100 k

 shunt calibration resistor ....±0.1%

Temperature coefficient of resistors

100 k

 shunt calibration resistor ....±10 ppm/°C

Mechanical

Resistor sockets

Lead size..........................................0.6 to 0.7 mm

(0.023 to 0.026 in.)

Lead length ......................................2.8 to 4.4 mm

(0.110 to 0.175 in.)

Lead spacing....................................12.7 mm

(0.500 in.)

RJ-50 receptacle

mean number of insertions
before failure ...................................500

Summary of Contents for SCXI-1314T

Page 1: ...ration of the SCXI 1520 module refer to the SCXI 1520 User Manual Conventions The following conventions are used in this manual The symbol leads you through nested menu items and dialog box options to...

Page 2: ...ming examples and syntax examples This font is also used for the proper names of disk drives paths directories programs subprograms subroutines device names functions operations variables filenames an...

Page 3: ...he Read Me First Safety and Radio Frequency Interference document before removing equipment covers or connecting or disconnecting any signal wires Each channel input contains pins that connect to the...

Page 4: ...ure 1 SCXI 1314T Parts Locator Diagram 2 Use long nose pliers to carefully remove the socketed 100 k precision resistors Note To avoid damaging the precision resistors pull the leads directly alternat...

Page 5: ...e sockets indicated in Figure 2 Figure 2 SCXI 1314T Shunt Resistor Sockets 5 Reinstall the top cover and tighten the top cover screws 6 Refer to the SCXI Quick Start Guide to finish installing the SCX...

Page 6: ...alf and full bridge TEDS sensor bridge configurations available for use with the SCXI 1314T Table 1 Channel Signal Names RJ 50 10p10c Modular Plug and SCXI 1314T Receptacle Pin Numbers Pin Signal Name...

Page 7: ...re 3 Quarter Bridge Circuit Diagram The following symbols apply to the circuit diagram and equations R1 and R2 are half bridge completion resistors R3 is the quarter bridge completion resistor dummy r...

Page 8: ...the lead resistance VAI is the measured voltage VRS is the remote sense measured excitation voltage T is the TEDS data transmission line T is the TEDS ground reference Note For greatest calibration a...

Page 9: ...al for more information Figure 4 Half Bridge Circuit Diagram The following symbols apply to the circuit diagram and equations R1 and R2 are half bridge completion resistors R3 and R4 are the active me...

Page 10: ...stance VAI is the measured voltage VRS is the remote sense measured excitation voltage T is the TEDS data transmission line T is the TEDS ground reference Note For greatest calibration accuracy use se...

Page 11: ...R4 are active measuring elements VEX is the excitation voltage RL is the lead resistance VAI is the measured voltage VRS is the remote sense measured excitation voltage T is the TEDS data transmissio...

Page 12: ...or your application The recommended twisted pairs are as follows AI AI RS RS EX EX T T SCA SCA 3 Expose 12 7 to 15 9 mm 0 500 to 0 625 in of signal wires without stripping the insulation as shown in F...

Page 13: ...gure 7 Inserting Signal Wires into RJ 50 10p10c Modular Plug 7 Crimp the terminal using an RJ 50 terminal crimper as shown in Figure 8 Figure 8 Crimping the RJ 50 10p10c Modular Plug 1 Insulation 2 Sh...

Page 14: ...application Attach the cable shielding to the TEDS sensor as shown in Figure 9 Figure 9 Attach the Shielding to the TEDS Sensor Connect the cable shielding to the metal grounding portion of the RJ 50...

Page 15: ...ter you have grounded your application insert the RJ 50 10p10c modular plugs into the SCXI 1314T Note Improperly grounding the shielding causes signal noise 10 Refer to the SCXI Quick Start Guide to p...

Page 16: ...rdted6 rdrscl Specifications All specifications are typical at 25 C unless otherwise specified Electrical Shunt calibration resistors RN 55 style 1 4 W Accuracy of resistors 100 k shunt calibration re...

Page 17: ...another Installation Category I Digital signals Channel to earth 0 to 5 V of one another Environmental Operating temperature 0 to 50 C Storage temperature 20 to 70 C Humidity 10 to 90 RH noncondensing...

Page 18: ...iance The SCXI 1317 terminal block meets the essential requirements of applicable European Directives as amended for CE marking as follows Low Voltage Directive safety 73 23 EEC Electromagnetic Compat...

Page 19: ...s mentioned herein are trademarks or trade names of their respective companies For patents covering National Instruments products refer to the appropriate location Help Patents in your software the pa...

Reviews: