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©

 National Instruments Corporation

5

TB-2725 Terminal Block

Specifications

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

Electrical

Coupling................................................. DC

1

Terminal wire size.................................. 16 to 26 AWG

Field-wiring connectors

Number of screw terminals............. 16

Earth ground lugs............................ 1

Strain relief ..................................... Strain relief at

terminal-block entrance

Mechanical

Dimensions............................................. 10.4 

×

 8.9 

×

 1.8 cm

(4.1 

×

 3.5 

×

 0.7 in.)

Weight .................................................... 285 gm (10 oz)

Maximum Working Voltage

Maximum working voltage refers to the signal voltage plus the 
common-mode voltage.

Channel-to-earth..................................... 42.4 V

peak

, 60 VDC, 

Measurement Category I

Channel-to-channel ................................ 42.4 V

peak

, 60 VDC, 

Measurement Category I

Environmental

Operating temperature............................ 0 to 50 °C

Storage temperature ............................... –20 to 70 °C

Humidity ................................................ 10 to 90% RH, noncondensing

Maximum altitude .................................. 2,000 meters

Pollution Degree (indoor use only) ........ 2

1   

In instrumentation terminology, 

DC coupling

 means that both DC and AC signals are passed.

Summary of Contents for TB-2725

Page 1: ...tions from the last dialog box This icon denotes a note which alerts you to important information This icon denotes a caution which advises you of precautions to take to avoid injury data loss or a system crash When this icon is marked on the product refer to the Read Me First and Radio Frequency Interference document shipped with the product for precautions to take When symbol is marked on a prod...

Page 2: ...tions operations variables filenames and extensions What You Need to Get Started To set up and use the TB 2725 terminal block you need the following items Hardware TB 2725 terminal block PXI 4224 module PXI or PXI SCXI combination chassis Cabling and sensors as required for your application Documentation TB 2725 Terminal Block Installation Guide Read Me First Safety and Radio Frequency Interferenc...

Page 3: ...train relief bar 3 Prepare the signal wire 16 to 26 AWG by stripping the insulation no more than 6 0 mm 0 24 in 4 Run the signal wires through the strain relief opening If necessary add insulation or padding 5 Insert the stripped ends of the signal wires into the terminals Make sure no bare wire extends from the terminal 6 Tighten the screws to a torque of 0 5 to 0 6 N m 4 4 to 5 3 lb in 7 Soldier...

Page 4: ...or Diagram 1 Chassis Screws 2 Strain Relief Opening 3 Strain Relief Bar 4 Signal Cables 5 Strain Relief Screw 6 Top Cover 7 Top Cover Screw 8 Rear Connector 9 Earth Ground Lug 10 Screw Terminals 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 7 6 8 10 5 1 1 4 2 3 9 ...

Page 5: ...ns 10 4 8 9 1 8 cm 4 1 3 5 0 7 in Weight 285 gm 10 oz Maximum Working Voltage Maximum working voltage refers to the signal voltage plus the common mode voltage Channel to earth 42 4 Vpeak 60 VDC Measurement Category I Channel to channel 42 4 Vpeak 60 VDC Measurement Category I Environmental Operating temperature 0 to 50 C Storage temperature 20 to 70 C Humidity 10 to 90 RH noncondensing Maximum al...

Page 6: ...1 Class A at 10 m FCC Part 15A above 1 GHz Immunity EN 61326 1997 A2 2001 Table 1 EMC EMI CE C Tick and FCC Part 15 Class A Compliant Note For EMC compliance operate this device with shielded cabling CE Compliance The TB 2725 meets the essential requirements of applicable European Directives as amended for CE marking as follows Low Voltage Directive safety 73 23 EEC Electromagnetic Compatibility D...

Page 7: ...onal Instruments trademarks Other product and company names 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 patents txt file on your CD or ni com patents 2005 National Instruments Corporation All rights reserved 373824B 01 Jul05 ...

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