NI CB-37F-HVD Installation Guide
2
ni.com
When using the CB-37F-HVD with hazardous voltages (>30 Vrms,
42.4 V
pk
, 60 VDC), it is required that all signal wires must be strain
relieved, and the CB-37F-HVD must be placed in a UL listed,
suitably-rated NEMA or IP enclosure, shown in Figure 1, which is
grounded to a safety earth ground. The enclosure must be entirely enclosed
and none of the parts should be accessible to the user when the system is
running.
Figure 1.
CB-37F-HVD and UL Listed Enclosure
What You Need to Get Started
The following items are necessary for setting up and using the
CB-37F-HVD terminal block:
❑
Hardware
–
CB-37F-HVD terminal block
–
DAQ device
–
SH37F-37M-
x
37-pin female-to-male shielded I/O cable
or other 37-pin cable rated to 150 V
–
Cabling and sensors as required for your application
–
37-Pin High-Voltage Accessory Safety Kit (supplied with
high-voltage devices)
–
DIN Rail (and DIN rail mounting kit)
–
Zip ties
–
UL listed industrial enclosure
1
, electrical cabinet, or rack-mount
cabinet
1
National Instruments sells two UL listed industrial enclosures: FP-ENC1 industrial enclosure with polycarbonate window
(part number 777596-01) and NI FP-ENC1 industrial enclosure with solid metal door (part number 777596-02).
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