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5

13. Connect the other end of the cable assembly to your TBX-1325 terminal block connector and

secure the SH48-48-A cable by tightening both backshell mounting screws. See Figure 4.

See Figure 5 for the completed installation.

1

1

5

3

3

2

4

1

Backshell Mounting Screws and Ears 3

Captive Cover Screws

5

Signal Wire Entry

2

Shield Grounding Solder Lugs

4

Terminal Block Connector

Note:

The SH48-48-A cable is not shown in the exact position for proper connection to the terminal block connector. See
Figure 5 for the completed connection.

Figure 4. Connecting the SH48-48-A Cable to the TBX-1325 Terminal Block

Figure 5. The Completed Installation

Summary of Contents for TBX-1325

Page 1: ...ail mountable terminal block with 30 screw terminals for easy connection to the SCXI 1124 front connector Six of the screw terminals connect to the SCXI chassis ground via the SH48 48 A cable The rema...

Page 2: ...quisition device or disconnect the device from your SCXI chassis 3 Slide the SCXI module out of the SCXI chassis 4 Unscrew the SCXI module grounding screw with a No 1 Phillips head screwdriver and rem...

Page 3: ...3 1 2 3 4 1 Grounding Screw 3 Lock Washers 2 Nuts 4 Jack Screws Figure 2 Preparing the SCXI Module for the Cable Assembly 10 Slide the SCXI module back into place in the SCXI chassis...

Page 4: ...nd install them in the position shown 12 Connect one end of the cable assembly to your SCXI module front connector and secure the SH48 48 A cable by tightening both backshell mounting screws 1 2 3 1 B...

Page 5: ...tion 1 1 5 3 3 2 4 1 Backshell Mounting Screws and Ears 3 Captive Cover Screws 5 Signal Wire Entry 2 Shield Grounding Solder Lugs 4 Terminal Block Connector Note The SH48 48 A cable is not shown in th...

Page 6: ...emove or work with any installed terminal block disconnect the AC power line or any high voltage sources 30 Vrms and 42 4 V peak or 60 VDC that may be connected to the terminal block National Instrume...

Page 7: ...losses of the cable The SH48 48 A cable has a resistance of 0 21 m To determine the amount of error introduced by the cable do the following 1 Calculate the total resistance RTL of the cable based on...

Page 8: ...rd has corresponding rows labeled A and B to help you make the correct connections as shown in Figure 6 item 2 Note that the CHASSIS GROUND terminals are connected to the SCXI chassis via the cable sh...

Page 9: ...r 8 Assembly Number 3 Product Name 6 Signal Wire Screw Terminals 9 Chassis Ground Screw Terminal Figure 6 TBX 1325 Parts Locator Diagram Specifications Common mode isolation 250 Vrms between channels...

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