National Instruments CFP-CB-3 - Manual (Page 16)

cFP-CB-1/2/3/4 16 ni.com
Maximum cable diameter
for cFP-CB-1 and cFP-CB-3 ............ 8 mm (5/16 in.) with
cable-grooved strain
relief
Torque for screw terminals
cFP-CB-1 and cFP-CB-3............ 0.5–0.6 N
⋅ m
(4.4–5.3 lb ⋅ in.)
cFP-CB-4.................................... 0.22–0.25 N ⋅ m
(1.9–2.2 lb
⋅ in.)
Maximum current for terminals 1
V and C terminals....................... 4 A
All other terminals...................... 2 A
Accuracy
Cold-junction accuracy ..................... 0.15 °C typ, 0.3 °C max
There is typically an additional 0.2 °C difference between the
temperature of the cold-junction sensor and that of the actual
terminals.
Physical
Weight
cFP-CB-1.................................... 201 g (7.1 oz)
cFP-CB-2.................................... 135 g (4.8 oz)
cFP-CB-3.................................... 201 g (7.1 oz)
cFP-CB-4.................................... 141 g (5.0 oz)
Isolation Voltage
Channel-to-earth ground
Continuous ................................. 250 V
rms
,
Measurement Category II
Withstand.................................... 2,300 V
rms
, verified by a 2 s
dielectric withstand test
Channel-to-channel isolation ............ Refer to I/O module
operating instructions
1 Use fast-acting fuses to limit the current through screw terminals. Some I/O module
terminals require a lower maximum current value. Refer to the I/O module operating
instructions for more information.