FD-11637 Specifications
- Updated2023-02-17
- 9 minute(s) read
FD-11637 Specifications
Conditions
Specifications are typical and valid from -40 °C to +85 °C unless otherwise noted.
Input Characteristics
Number of channels | 8 analog input channels | ||||||
Isolation | Galvanic isolation between channels and to chassis | ||||||
Input range | ±38 mV/V | ||||||
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ADC resolution | 24 bits | ||||||
Type of ADC | Delta-Sigma (with analog prefiltering) | ||||||
Sample mode | Simultaneous | ||||||
TEDS support | IEEE 1451.4 TEDS Class 2 | ||||||
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Sampled data rates (fs) | Refer to the following table for sample data rates supported for each timebase |
13.1072 MHz | 12.8 MHz (Default) | 12.288 MHz | 10.24 MHz |
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102.4 | 100.0 | 96.0 | 80.0 |
51.2 | 50.0 | 48.0 | 40.0 |
34.133 | 33.333 | 32.0 | 26.667 |
25.6 | 25.0 | 24.0 | 20.0* |
20.48 | 20.0 | 19.2 | 16.0 |
17.067 | 16.667 | 16.0* | 13.333 |
12.8 | 12.5 | 12.0 | 10.0* |
10.24 | 10.0 | 9.6 | 8.0 |
8.533 | 8.333 | 8.0* | 6.667 |
6.4 | 6.25 | 6.0 | 5.0* |
5.12 | 5.0 | 4.8 | 4.0 |
4.267 | 4.167 | 4.0* | 3.333 |
3.2 | 3.125 | 3.0 | 2.5 |
2.56 | 2.5 | 2.4 | 2.0 |
2.133 | 2.083 | 2.0* | 1.667 |
1.6 | 1.563 | 1.5 | 1.25* |
1.28 | 1.25 | 1.2 | 1.0 |
1.067 | 1.042 | 1.0* | 0.833 |
0.8 | 0.781 | 0.75 | 0.625 |
0.64 | 0.625 | 0.6 | 0.5 |
Note: For sample rates that can be obtained using two different timebases, the lowest noise (highest resolution) option is indicated with an asterisk (*). |
Sampled Data Rate (kSamples/s) | Timebase (MHz) | Excitation | ||
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10 V | 5 V | 3 V | ||
102.4 | 13.1072 | 0.4 µV/V RMS | 0.8 µV/V RMS | 1.3 µV/V RMS |
10 | 10.24 | 0.12 µV/V RMS | 0.25 µV/V RMS | 0.4 µV/V RMS |
1 | 12.288 | 0.04 µV/V RMS | 0.08µV/V RMS | 0.14 µV/V RMS |
Temperature | Full- or Half-Bridge Mode[2] | Quarter-Bridge Mode[3] | |
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350 Ω | 120 Ω | ||
5 °C to 40 °C, typical | ±0.05% | ±0.15% | ±0.3% |
5 °C to 40 °C, maximum | ±0.15% | ±0.4% | ±0.8% |
-40 °C to 85 °C, maximum | ±0.20% | ±0.5% | ±1.0% |
Temperature | Excitation | ||
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10 V | 5 V | 3 V | |
5 °C to 40 °C, typical | ±1.5 µV/V | ±2 µV/V | ±3 µV/V |
5 °C to 40 °C, maximum | ±6 µV/V | ±8 µV/V | ±12 µV/V |
-40 °C to 85 °C, maximum | ±10 µV/V | ±13 µV/V | ±20 µV/V |
Note: Half- and quarter-bridge sensors and strain gages should remove offset errors by offset nulling to eliminate offset effects of lead wire resistance and sensor impedance tolerances. |
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Input delay | 36 /ƒs + 3.7 μs | ||||||||||||||||||||||||||||||
Input delay tolerance | ±0.5 µs | ||||||||||||||||||||||||||||||
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Alias-free bandwidth | 0.50 · ƒs | ||||||||||||||||||||||||||||||
Common-mode voltage, all signals to earth ground | ±60 V DC, Refer to Safety Voltages for restrictions on working and fault voltages. | ||||||||||||||||||||||||||||||
Full-bridge mode common-mode voltage range, with respect to EX- | Both inputs must be between 40% and 60% of the excitation voltage | ||||||||||||||||||||||||||||||
Spurious Free Dynamic Range (SFDR) | 130 dB | ||||||||||||||||||||||||||||||
Total Harmonic Distortion (THD), up to 8 kHz and ±5 mV/V | -90 dB | ||||||||||||||||||||||||||||||
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Time-Based Triggers
Type | Start Trigger, Sync Pulse |
Timing and Synchronization
Network Interface
Network protocols | TCP/IP, UDP |
Network ports used | HTTP:80 (configuration only), TCP:3580; UDP:5353 (configuration only), TCP:5353 (configuration only); TCP:31415; UDP:7865 (configuration only), UDP:8473 (configuration only) |
Network IP configuration | DHCP + Link-Local, DHCP, Static, Link-Local |
Default MTU size | 1500 bytes |
Ethernet
Number of ports | 2 8-pin X-coded M12 ports, internally switched[7] |
Network interface | 1000 Base-TX, full-duplex; 1000 Base-TX, half-duplex; 100 Base-TX, full-duplex; 100 Base-TX, half-duplex; 10 Base-T, full-duplex; 10 Base-T, half-duplex |
Communication rates | 10/100/1000 Mbps, auto-negotiated |
Maximum cabling distance | 100 m/segment |
Maximum hops per line[8] | 15 |
Power Requirements
Current Limits
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Recommended external overcurrent protection | 16 A, slow blow fuse |
Physical Characteristics
Dimensions | 198.5 mm × 77.4 mm × 47.1 mm (7.8 in. × 3.0 in. × 1.9 in.) | ||||||
Weight | 1.2 kg (2 lb 10 oz) | ||||||
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Torque for M12 connectors (power, Ethernet, input connections) | 0.6 N · m (5.31 lb · in.) |
To clean the device, wipe it with a dry towel.
Calibration
Calibration interval | 1 year |
Environmental
Refer to the FD-11637 User Guide for more information about meeting these specifications.
Operating temperature | -40 °C to 85 °C |
Storage temperature | -40 °C to 100 °C |
Ingress protection | IP65/IP67 |
Operating humidity | Up to 100% relative humidity, condensing or noncondensing |
Pollution Degree | 4 |
Maximum altitude | 5,000 m |
To meet the following specifications, you must panel mount the system.
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Operating shock | 100 g, 11 ms half sine, 3 shocks at 6 orientations, 18 total 40 g, 6 ms half sine, 4,000 shocks at 6 orientations, 24,000 total |
Environmental Standards
This model meets the requirements of the following electrical equipment environmental standards for measurement, control, and laboratory use:
- IEC 60068-2-1
- IEC 60068-2-2
- IEC 60068-2-6
- IEC 60068-2-27
- IEC 60068-2-30
- IEC 60068-2-64
Safety Voltages
Connect only voltages that are within the following limits:
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Overvoltage protection[13] | ±30 V between any two pins on the connector |
These test and measurement circuits are rated for measurements performed on circuits not directly connected to the electrical distribution system referred to as MAINS.
MAINS is a hazardous live electrical supply system to which equipment is designed to be connected to for the purpose of powering equipment. This product is rated for measurements of voltages from specially protected secondary circuits. Such voltage measurements include signal levels, special equipment, limited-energy parts of equipment, circuits powered by regulated low-voltage sources, and electronics.
Safety
This product is designed to meet the requirements of the following electrical equipment safety standards for measurement, control, and laboratory use:
- IEC 61010-1, EN 61010-1
- UL 61010-1, CSA C22.2 No. 61010-1
Electromagnetic Compatibility
This product meets the requirements of the following EMC standards for electrical equipment for measurement, control, and laboratory use:
- EN 61326-1 (IEC 61326-1): 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
CE Compliance

This product meets the essential requirements of applicable European Directives, as follows:
- 2014/35/EU; Low-Voltage Directive (safety)
- 2014/30/EU; Electromagnetic Compatibility Directive (EMC)
Online Product Certification
Refer to the product Declaration of Conformity (DoC) for additional regulatory compliance information. To obtain product certifications and the DoC for this product, visit ni.com/certification, search by model number or product line, and click the appropriate link in the Certification column.
Environmental Management
NI is committed to designing and manufacturing products in an environmentally responsible manner. NI recognizes that eliminating certain hazardous substances from our products is beneficial to the environment and to NI customers.
For additional environmental information, refer to the Minimize Our Environmental Impact web page at ni.com/environment. This page contains the environmental regulations and directives with which NI complies, as well as other environmental information not included in this document.
Waste Electrical and Electronic Equipment (WEEE)
电子信息产品污染控制管理办法(中国RoHS)
1 Base clocks can be synchronized with other FieldDAQ devices using the network synchronization feature.
2 Calculated when using remote sense to remove additional gain errors caused by external lead wire resistances.
3 Calculated after using shunt calibration to remove gain errors caused by external lead wire resistances; these specifications include all errors caused by tolerances of the completion and shunt calibration resistors.
4 10 V excitation is not supported for quarter-bridge mode.
5 I/O synchronization is system-dependent. Assumes the devices are connected in a line topology. For information about network synchronization accuracy, visit ni.com/info and enter Info Code syncacc.
6 I/O synchronization is system-dependent. Assumes a system containing one hop. For information about achieving high accuracy synchronization, visit ni.com/info and enter Info Code fdsync.
7 This allows for line topologies or network redundancy.
8 With default software configuration. For information about creating reliable Ethernet-based systems, visit ni.com/info and enter Info Code fdenet.
9 The total amount of power drawn by the device from the power input connector, including power delivered to external sensors.
10 The amount of power that the device dissipates as heat.
11 Working voltage rating is the highest RMS value of the AC or DC voltage across the insulation that can continuously occur when the equipment is supplied at rated voltage.
12 Withstand rating is the highest RMS value of the AC or DC voltage the insulation can withstand without flashover or breakdown for a specified time.
13 Temporary Overvoltage rating is the overvoltage of relatively long duration.