Counter/Timer Accessories and Cables
Counter/Timer Accessories and Cables
Accessory and Cable Selection Process
Step 1. Select your counter/timer device from Tables 1 and 2.
Step 2. Using Tables 1 and 2 as a guide, determine which accessories are appropriate
for that device. Select an accessory using Table 3 as reference.
Step 3. Using Tables 1 and 2, determine the appropriate cable solution for your
selected counter/timer device and accessory.
Accessories
Figure 1. BNC-2121 Connector Block
BNC-2121
(See Figure 1)
Connector block with BNC and spring terminal connections for easy connection of
I/O signals to counter/timer devices. The BNC-2121 offers spring terminals, as well
as eight dedicated and six user-defined BNC connectors, which provide access to all
I/O signals. This connector block is also a full-featured test accessory that provides
pulse-train, trigger, and quadrature encoder signals. For the connections, refer to
the BNC-2121 user guide at
ni.com/manuals
BNC-2121 ......................................................................................................778289-01
Dimensions – 26.7 by 11.2 by 5.5 cm (8.0 by 4.4 by 2.2 in.)
Figure 2. CA-1000 Configurable Signal Conditioning Solution
CA-1000
(See Figure 2)
Data Acquisition and
Signal Conditioning
Configurable signal connectivity solution for connecting counter/timers to different
types of standard I/O connectors. You can also incorporate switches and LED
indicators. You can place the CA-1000 under a laptop PC, on a benchtop, or in a
19 in. rack.
CA-1000 ......................................................................................................See page 351
Dimensions – 30.7 by 25.4 by 4.3 cm (12.1 by 10 by 1.7 in.)
PCI-6601, PCI-6602
Accessories
BNC-2121, CA-1000, SCB-68,
TBX-68, CB-68LP, and CB-68LPR
TB-2715
Cables
–
R6868 or SH68-68-D1
N/A
Table 1. Accessories and Cables for PXI-6601 and PCI-6602
PXI-6602, PXI-6608
Accessories
BNC-2121, CA-1000, SCB-68,
TBX-68, CB-68LP, and CB-68LPR
TB-2715
Cables
–
R6868 or SH68-68-D1
Connects directly to the device
Table 2. Accessories and Cables for PXI-6602 and PXI-6608
Accessory
BNC-2121
CA-1000
SCB-68
TB-2715
TBX-68
CB-68LP
CB-68LPR
Description
BNC connector block with built-in test features
Configurable connector accessory
Shielded screw connector block
Front-mount terminal block for PXI-660x
DIN-rail connector block
Low-cost screw connector block
Low-cost screw connector block
Page
390
390
391
391
391
391
391
Table 3. Overview of Accessories
390
National Instruments • Tel: (800) 433-3488 • Fax: (512) 683-9300 • info@ni.com • ni.com
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