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© 2004–2007 National Instruments Corporation. All rights reserved.
373959C
Dec07
Note
For information about using shielded cabling, refer to the NI PXI-2532 Declaration
of Conformity (DoC). To obtain the DoC, visit
ni.com/certification
, search by
model number or product line, and click the appropriate link in the Certification column.
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 Radio-Frequency
Interface
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
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
