Thermocouple and RTD Modules for Compact FieldPoint
Specifications
Typical for -40 to 70 °C unless otherwise noted.
Input Characteristics
Number of inputs ................................
ADC resolution....................................
Type of ADC ........................................
Filters...................................................
Excitation current
cFP-RTD-122 ...................................
cFP-RTD-124 ...................................
Data scaling options
cFP-TC-120......................................
cFP-RTD-12x....................................
8
16 bits, 1 in 65,536
Delta-sigma
50/60 Hz rejection
0.25 mA
2 mA
Temperature (°C, °F, °K) or mV
Temperature (°C, °F, °K)
or resistance (Ω)
Weight
cFP-TC-120...................................... 130 g (4.6 oz)
cFP-TC-125...................................... 125 g (4.4 oz)
cFP-RTD-12x.................................... 110 g (3.7 oz)
Power Requirement
Power from network module
cFP-TC-120...................................... 350 mW
cFP-TC-125...................................... 650 mW
Environmental
Operating temperature ....................... -40 to 70 °C
Storage temperature........................... -55 to 85 °C
(cFP-TC-125 -40 to 80 °C)
Relative humidity ................................ 10 to 90%, noncondensing
Maximum altitude............................... 2,000 m; at higher altitudes
the isolation voltage ratings
must be lowered
Pollution degree.................................. 2
Update period, all channels
cFP-TC-125
Filter off ...................................... 0.22 s
Filter on ...................................... 0.99 s
cFP-TC-120...................................... 1.13 s
cFP-RTD-12x.................................... 1.08 s
Signal input bandwidth
cFP-TC-120...................................... 3 Hz
cFP-TC-125...................................... 12 Hz
Cold-junction accuracy cFP-TC-12x
With cFP-CB-3 connector block...... 0.25 °C typ, 0.5 °C max
Input impedance (cFP-TC-12x) ............ 20 MΩ
Input current (cFP-TC-12x)................... 35 nA typ, 140 nA max
Input noise .......................................... ±1 LSB
pp
Overvoltage protection
cFP-TC-120...................................... ±40 V
cFP-TC-125...................................... ±250 V
Common-mode voltage between channels referenced
to isolated ground
cFP-TC-125...................................... 250 V
cFP-TC-120...................................... 1 V
cFP-RTD-12x.................................... 2 V
Shock and Vibration
Operating vibration, random
(IEC 60068-2-64) ............................. 10 to 500 Hz, 5 g
rms
Operating vibration, sinusoidal
(IEC 60068-2-6) ............................... 10 to 500 Hz, 5 g
Operating shock
(IEC 60068-2-27) ............................. 50 g, 3 ms half sine,
18 shocks at 6 orientations;
30 g, 11 ms half sine,
18 shocks at 6 orientations
Safety and Compliance
Safety
This product is designed to meet the requirements of the following
standards of safety for electrical equipment for measurement, control,
and laboratory use:
• IEC 61010-1, EN 61010-1
• UL 61010-1, CSA 61010-1
Note:
For UL and other safety certifications, refer to the product label or
visit
ni.com/certification,
search by model number or product line, and
click the appropriate link in the Certification column.
Safety Isolation Voltage
Maximum safety isolation voltage ..... 250 V
rms
, Installation Category II
(cFP-TC-12x only)
Channel-to-channel safety isolation... No isolation between channels
Transient overvoltage.......................... 2,300 V
rms
Electromagnetic Compatibility
This product meets the requirements of the following EMC standards for
electrical equipment for measurement, control, and laboratory use:
• EN 61326 (IEC 61326): Class A emissions; Industrial immunity
• EN 55011 (CISPR 11): Group 1, Class A emissions
• AS/NZS CISPR 11: Group 1, Class A emissions
• FCC 47 CFR Part 15B: Class A emissions
• ICES-001: Class A emissions
Physical Characteristics
LED indicators
POWER (green) ............................... Power on and self-test passed
READY (green) ................................ Module configured and ready
OPEN TC <0..7> (red)
(cFP-TC-12x)................................ Open or broken thermocouple
on channel
Dimensions.......................................... 128 by 88 by 25 mm
(5.0 by 3.5 by 1.0 in.)
BUY ONLINE
at
ni.com
or
CALL (800) 813 3693 (U.S.)
4
NI [ NATIONAL INSTRUMENTS CORPORATION ]
