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© 

National Instruments Corp.

3

cFP-CB-1/2/3/4

Figure 3.  

cFP-CB-3 Parts Locator Diagram

Figure 4.  

cFP-CB-4 Parts Locator Diagram

1

Tie-Wrap Anchors

2

Screw Hole for Strain-Relief Bar

3

Overlay Showing Channel 
Assignments of Screw Terminals

4

Screw Hole for Top Cover

5

Mounting Screw

6

Screw Terminals

7

37-Pin I/O Connector

1

20-Pin Screw-Terminal Block

2

Mounting Screw

C C

cFP-TC-120

 +     –

 CH 0

 +     –

 CH 1

 +     –

 CH 2

 +     

  CH 3

       –

CH 4

 +     –

 CH 5

 +     –

 CH 6

 +     –

 CH 7

 TERMINAL

ASSIGNMENTS

+

7

6

5

4

3

2

1

C C

cFP-TC-120

 +     –

 CH 0

 +     –

 CH 1

 +     –

 CH 2

 +     

  CH 3

       –

CH 4

 +     –

 CH 5

 +     –

 CH 6

 +     –

 CH 7

 TERMINAL

ASSIGNMENTS

+

7

6

5

4

3

2

1

Summary of Contents for FIELDPOINT CFP-CB-1

Page 1: ...ral purpose and hazardous voltage operation with all Compact FieldPoint I O modules cFP CB 1 and cFP CB 2 Isothermal construction minimizes temperature gradients for use with thermocouples cFP CB 3 Mo...

Page 2: ...arrangement Figure 2 cFP CB 2 Parts Locator Diagram 1 Tie Wrap Anchors 2 Screw Hole for Strain Relief Bar 3 Screw Terminals 4 Screw Hole for Top Cover 5 Mounting Screw 6 37 Pin I O Connector 1 36 Pin...

Page 3: ...Bar 3 Overlay Showing Channel Assignments of Screw Terminals 4 Screw Hole for Top Cover 5 Mounting Screw 6 Screw Terminals 7 37 Pin I O Connector 1 20 Pin Screw Terminal Block 2 Mounting Screw C C cF...

Page 4: ...on all terminals Refer to the Specifications section for the current limits of the cFP CB x terminals Note The V terminals are internally connected to each other and the C terminals are internally con...

Page 5: ...driver with a blade smaller than 2 3 1 0 mm 0 09 0 04 in to connect wires to the detachable spring terminal connector Complete the following steps 1 Verify that there are no cuts in the wire insulatio...

Page 6: ...connector You can order the NI 9940 from ni com Caution If your application is subject to hazardous voltage you must install the NI 9940 backshell on the spring terminal connector Figures 7 8 and 9 s...

Page 7: ...teps 1 Verify that there are no cuts in the wire insulation that can cause a safety hazard 2 Strip 9 mm 0 35 in of insulation from the ends of the wires 3 Insert the entire stripped ends of the wires...

Page 8: ...nments and Hazardous Voltage Applications If your application is subject to high vibration or hazardous voltage National Instruments recommends affixing ferrules to the ends of all signal wires Refer...

Page 9: ...foam cushion strain relief bar The tie wrap anchors on the connector block provide additional strain relief Figure 11 shows the two strain relief bars Figure 11 cFP CB 1 and cFP CB 3 Strain Relief Ba...

Page 10: ...e cushioned strain relief bar make sure all the wires are secure against the cushion and not touching metal parts of the connector block 3 Reinstall the top cover and tighten the top cover screws 4 In...

Page 11: ...the cFP CB x prevents backward insertion 2 Press firmly to seat the cFP CB x on the backplane 3 Using a number 2 Phillips screwdriver with a shank of at least 64 mm 2 5 in length tighten the captive...

Page 12: ...ative accuracy between channels The actual thermal gradient depends on the connector block you use and the details of your installation The following section provides guidelines for minimizing thermal...

Page 13: ...between hazardous voltages and any human accessible parts or circuits Never try to use any isolation product between human accessible parts such as DIN rails or monitoring stations and circuits that c...

Page 14: ...ss to wiring that carries hazardous voltages The isolation of the cFP CB x is certified as double insulated for working voltages of up to 250 Vrms Operate the cFP CB x only at or below Pollution Degre...

Page 15: ...nonhazardous Caution Do not remove modules unless power has been switched off or the area is known to be nonhazardous Caution Substitution of components may impair suitability for Class I Division 2...

Page 16: ...between the temperature of the cold junction sensor and that of the actual terminals Physical Weight cFP CB 1 201 g 7 1 oz cFP CB 2 135 g 4 8 oz cFP CB 3 201 g 7 1 oz cFP CB 4 141 g 5 0 oz Isolation V...

Page 17: ...2 Shock and Vibration Operating vibration random IEC 60068 2 64 10 500 Hz 5 grms Operating vibration sinusoidal IEC 60068 2 6 10 500 Hz 5 g Operating shock IEC 60068 2 27 50 g 3 ms half sine 18 shock...

Page 18: ...ce operate this device according to product documentation CE Compliance This product meets the essential requirements of applicable European Directives as amended for CE marking as follows 2006 95 EC...

Page 19: ...m environment This page contains the environmental regulations and directives with which NI complies as well as other environmental information not included in this document Waste Electrical and Elect...

Page 20: ...nformation For telephone support in the United States create your service request at ni com ask and follow the calling instructions or dial 512 795 8248 For telephone support outside the United States...

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