Mx-STG2 6

6 fast strain gauge measurement inputs up to 100 kHz

  • 6 dual sensor excitations (up to ±5 V)
  • Offset adjust functions, shunt check
  • Internal resistors for bridge completion selectable
  • TEDS Class-2 supported
  • Measurement data output via XCP on Ethernet or CAN
  • Designed for engine compartment applications
  • Toolless module to module connection
  • Ruggedized and compact modules for harsh environments

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Device
Maximum input voltage (channel)
±100 V (indefinitely), ±200 V (short-time, t < 1 ms)
Channel sampling rates
10/ 20/ 50/ 100/ 200/ 500 … 100 kHz
Channel sampling rates
10/ 20/ 50/ 100/ 200/ 500/ 1000/ 2000 Hz (CAN up to 2 kHz)
Aggregate sample rate
600 kHz
Oversampling
100 kHz
Voltage supply
9 … 36 VDC
Supply voltage thresholds
Switch-on 9 ±0.3 VDC / Switch-off 6 ±0.3 VDC
Power consumption, typical
5.0 W (all excitations off)
Working temperature range
-40 … 105 °C (-40 … 221 °F)
Storage temperature range
-55 … 105 °C (-67 … 221 °F)
IP-Code
IP 67 (ISO 20653 - 2013)
Relative humidity
5 ... 95 %
Dimensions
W212 mm x H60 mm x D35 mm (8.35 in x 2.36 in x 1.38 in)
Weight
700 g (1.54 lb)
Configuration interface
Ethernet
Data transfer rate
100 Mbit Ethernet (IEEE 802.3)
Input sockets
Lemo EGG 1B 307 (7-pin) SIM-DMS compatible
Input sockets
Lemo EGG 2B 310 (10-pin) for TEDS
Input sockets
SUB D (9-pin) female
Galvanic isolation
Input ↔ module power supply
±100 V (indefinitely), ±500 V (pulse voltage)
Input ↔ CAN
±100 V (indefinitely), ±500 V (pulse voltage)
Input ↔ enclosure
±100 V (indefinitely), ±500 V (pulse voltage)
Input ↔ input
±100 V (indefinitely), ±500 V (pulse voltage)
General channel properties
A/D converter
24 bit / SAR (successive approximation register)
Special functions
Offset adjust, during measurement, multiple groups
Sensor break detection
For sensor excitation
Channel LED
Available
Flashing mode of channel LED
During configuration - blinking
TEDS
Class 2 (licensing option)
Channel impedance
10 MΩ (differential), 5 MΩ (ground related)
Hardware filter (fixed)
46 kHz cut off fequency for input ranges (±0.05/ 0.1/ 0.2/ 0.5/ 1 V)
Hardware filter (fixed)
Typ RC 2-Pol
Hardware filter (fixed)
30 kHz cut off fequency for input ranges (±0.005/ 0.01/ 0.02 V)
Hardware filter (fixed)
Type RC 3-pole
Hardware filter (switchable)
12 kHz cut off frequency
Hardware filter (switchable)
Type Butterworth (8-pole)
Hardware filter (switchable)
Accuracy 10 %
Software filter types
Butterworth, Bessel, Elliptic (8-pole)
Software filter (DSP selectable)
10/ 12.5/ 16.67/ 25/ 50/ 66.67/ 100/ 125/ 166.67/ 250/ 500/ 667 Hz
Software filter (DSP selectable)
1.0/ 1.25/ 1.67/ 2.5/ 5.0/ 6.67/ 10/ 12.5/ 16.67/ 25/ 33,34 kHz
Software filter (DSP selectable)
Accuracy 0.00002 %
Excitation
Sensor excitation ranges
Bipolar ±0.5/ ±1.25/ ±2.5/ ±5 V
Accuracy excitation at ambient temperature 25 °C
0.5 %
Sensor excitation current
45 mA, short-circuit proof (software contolled)
ENOB (Effective Number Of Bits)
ENOB 1.8Vpp sinus, measurement range 2Vpp, at 125 Hz
16.9 bit, without filter (full bandwidth)
ENOB 1.8Vpp sinus, measurement range 2Vpp, at 125 Hz
17.5 bit, with hardware and software filter (250 Hz, Butterworth)
ENOB 1.8Vpp sinus, measurement range 2Vpp, at 1 kHz
16.5 bit, without filter (full bandwidth)
ENOB 1.8Vpp sinus, measurement range 2Vpp, at 1 kHz
21.3 bit, with hardware and software filter (1250 Hz, Butterworth)
THD (Total Harmonic Distortion)
THD 1.8Vpp sinus, measurement range 2Vpp, at 125 Hz
102 dB, without filter (full bandwidth)
THD 1.8Vpp sinus, measurement range 2Vpp, at 125 Hz
106 dB, with hardware and software filter (250 Hz, Butterworth)
THD1.8Vpp sinus, measurement range 2Vpp, at 1 kHz
100 dB, without filter (full bandwidth)
THD1.8Vpp sinus, measurement range 2Vpp, at 1 kHz
129 dB, with hardware and software filter (1250 Hz, Butterworth)
Offset drift AAF (Anti Aliasing Filter) ON
Offset drift AAF ON - ambient temperature -40 … 85 °C
Typ. ±0.13 µV/°C (±0.005 V measurement range)
Offset drift AAF ON - ambient temperature -40 … 85 °C
Max. ±0.40 µV/°C (±0.005 V measurement range)
Offset drift AAF ON - ambient temperature 85 … 105 °C
Typ. ±0.30 µV/°C (±0.005 V measurement range)
Offset drift AAF ON - ambient temperature 85 … 105 °C
Max. ±0.90 µV/°C (±0.005 V measurement range)
Offset drift AAF ON - ambient temperature -40 … 85 °C
Typ. ±0.13 µV/°C (±0.05 V measurement range)
Offset drift AAF ON - ambient temperature -40 … 85 °C
Max. ±0.40 µV/°C (±0.05 V measurement range)
Offset drift AAF ON - ambient temperature 85 … 105 °C
Typ. ±0.27 µV/°C (±0.05 V measurement range)
Offset drift AAF ON - ambient temperature 85 … 105 °C
Max. ±0.80 µV/°C (±0.05 V measurement range)
Offset drift AAF ON - ambient temperature -40 … 85 °C
Typ. ±1.67 µV/°C (±1 V measurement range)
Offset drift AAF ON - ambient temperature 85 … 105 °C
Max. ±5 µV/°C (±1 V measurement range)
Offset drift AAF ON - ambient temperature 85 … 105 °C
Typ. ±2.33 µV/°C (±1 V measurement range)
Offset drift AAF ON - ambient temperature 85 … 105 °C
Max. ±7 µV/°C (±1 V measurement range)
Gain drift AAF ON
Gain drift AAF ON - ambient temperature -40 … 105 °C
Typ. ±6.7 ppm/°C (±0.005 V measurement range)
Gain drift AAF ON - ambient temperature -40 … 105 °C
Max. ±20 ppm/°C (±0.005 V measurement range)
Gain drift AAF ON - ambient temperature -40 … 105 °C
Typ. ±6.7 ppm/°C (±0.05 V measurement range)
Gain drift AAF ON - ambient temperature -40 … 105 °C
Max. ±20 ppm/°C (±0.05 V measurement range)
Gain drift AAF ON - ambient temperature -40 … 105 °C
Typ. ±5 ppm/°C (±1 V measurement range)
Gain drift AAF ON - ambient temperature -40 … 105 °C
Max. ±15 ppm/°C (±1 V measurement range)
Channel strain gauge
Measurement range strain gauge
±0.005/ 0.01/ 0.02/ 0.05/ 0.1/ 0.2/ 0.5/ 1 V
Accuracy at ambient temperature 25 °C
±0.01 % measurement range ±1V
Accuracy at ambient temperature 25 °C
±0.02 % measurement range ±0.05/ ±0.1/ ±0.2/ ±0.5 V
Accuracy at ambient temperature 25 °C
±0.075 % measurement range ±0.005/ ±0.01/ ±0.02 V
Drift of excitation at ambient temperature -40 … 105 °C
10 ppm/K
Special functions STG
Bridge adjust
Special functions STG
Shunt check
Special functions STG
Shunt resistor simulation 5 … 200 kΩ
Special functions STG
Resistor for bridge completion 120, 350, 1000 Ω
Special functions STG
4-wire / 6-wire connection
Accessories
System cable
System cable
System cable
System cable
System cable
System cable
System cable
System cable
System cable
System cable
System cable
Input cable
Input cable
Input cable
Input cable