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 National Instruments Corporation

5

NI CB-37F-HVD Installation Guide

Cabling to the Terminal Block

You 

must

 install the DAQ device in a PC or PXI chassis, as described in the 

DAQ Getting Started Guide

, before cabling the device to the terminal 

block. Complete the following steps to connect the terminal block to the 
DAQ device D-SUB connector.

1.

Connect the DAQ device to the terminal block with the 37-pin cable.

2.

Tighten the two cable thumbscrews to a torque of 0.3 N · m 
(2.7 lb - in.) on each end of the cable.

Specifications

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

Electrical

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

1

Terminal wire size.................................. 12 to 30 AWG

Field-wiring connectors

Signal screw terminals .................... 37

Earth-ground screw terminal .......... 1 (

, for shielding only, 

not a safety ground)

Strain relief ..................................... Zip ties through holes in PCB

Maximum current................................... 2 A per conductor

Mechanical

Dimensions............................................. 13.75 cm 

×

 9.0 cm 

×

 6.5 cm

(5.5 in. 

×

 3.55 in. 

×

 2.5 in.)

Weight .................................................... 210 g (7.5 oz)

Maximum Voltage

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

Channel-to-ground ................................. 150 V

1   

In instrumentation terminology, 

DC coupling

 means that both DC and AC signals are passed.

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Summary of Contents for NI CB-37F-HVD

Page 1: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

Page 2: ...device are properly insulated from human contact Caution Failure to adhere to the following precautionary steps when connecting the cable to a high voltage NI device can result in electrical shock or...

Page 3: ...for setting up and using the CB 37F HVD terminal block Hardware CB 37F HVD terminal block DAQ device SH37F 37M x 37 pin female to male shielded I O cable or other 37 pin cable rated to 150 V Cabling...

Page 4: ...with the 37 Pin High Voltage Accessory Safety Kit Tools 1 8 in flathead screwdriver Wire insulation stripper Connecting the Signals To connect signals to the CB 37F HVD terminal block refer to Figure...

Page 5: ...7 lb in 6 Tighten the zip ties securely around the signal wires for strain relief For additional strain relief you should securely tighten additional zip ties around signal wires from the top row of...

Page 6: ...ications All specifications are typical at 25 C unless otherwise specified Electrical Coupling DC1 Terminal wire size 12 to 30 AWG Field wiring connectors Signal screw terminals 37 Earth ground screw...

Page 7: ...B 37F HVD terminal block is UL recognized and meets the requirements of the following standards for industrial control EN 50178 UL 508 CAN CSA C22 2 No 14 Note For the UL certification refer to the pr...

Page 8: ...ompany 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 soft...

Page 9: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

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