National Instruments, NI, ni.com, and LabVIEW are trademarks of National Instruments Corporation. Refer to the
Terms of Use
section on
ni.com/legal
for more information about National Instruments trademarks. Other product and company names mentioned herein are
trademarks or trade names of their respective companies. For patents covering National Instruments products/technology, refer to the appropriate
location:
Help»Patents
in your software, the
patents.txt
file on your media, or the
National Instruments Patent Notice
at
ni.com/patents
.
© 2004–2008 National Instruments Corporation. All rights reserved.
373959D
Sep08
Specifications
This section lists additional specifications for the NI TB-2641 when used
with the NI PXI-2532. All specifications are subject to change without
notice. Visit
ni.com/manuals
for the most current specifications.
Input Characteristics
All input characteristics are DC, AC
pk
, or a combination unless otherwise
specified.
Maximum switching voltage
Channel-to-channel..........................100 V
Channel-to-ground...........................100 V, CAT I
Caution
This module is rated for Measurement Category I and intended to carry
signal voltages no greater than 100 V. This module can withstand up to 500 V impulse
voltage. Do
not
use this module for connections to signals or for measurements within
Categories II, III, or IV. Do
not
connect to MAINs supply circuits (for example, wall
outlets) of 115 or 230 VAC. Refer to the
Read Me First: Safety and Electromagnetic
Compatibility
document for more information on measurement categories.
When hazardous voltages (>42.4 V
pk
/60 VDC) are present on any relay terminal, safety
low-voltage (<42.4 V
pk
/60 VDC) cannot be connected to any other relay terminal.
Maximum current (per channel) .............0.5 A
DC path resistance ..................................<1.5
Ω
Row and column protection
resistors (when used) .............................100
Ω
Bandwidth (–3 dB, 50
Ω
termination)
Typical
.............................................≥
9 MHz
Crosstalk (50
Ω
termination)
Channel-to-channel
10 kHz ......................................<–75 dB
100 kHz ....................................<–60 dB
1 MHz.......................................<–40 dB
