Bachmann|DMS202|Strain Gauge Input Module
Description
The Bachmann DMS202 is a two-channel strain gauge input module designed for high-speed measurement of strain gauge signals up to 1 kHz with a sampling time of 12.5 µs.
Features
Two strain gauge inputs, automatic range switching, wire break detection, and monitoring of external supply voltage.
Technical Specifications
Bridge Supply
Carrier frequency 5 kHz ±2%
Amplitude 4 VRMS ±2%
Synchronization Optional, 5 kHz ±2%
Strain Gauge Amplifier Input
Input resistance > 5 MΩ
Effective bandwidth 1 kHz
Resolution 12 bit
Max common mode input voltage 10 V
CMRR (0 kHz to 5 kHz) > 80 dB
Cable break monitoring Yes, error message
Galvanic isolation 500 V
Measurement Outputs
Output voltage 0 V to 10 V
Internal resistance < 2 Ω
Load resistor > 2.5 kΩ
Conversion and Ranges
Conversion time 12.5 µs (single channel), 25 µs (two channels)
Measuring range 2.0/4.0/8.0/16.0 mV or Auto Range
Range switching Automatic or software-controlled
External Power Supply
Voltage range 18 V DC to 34 V DC
Current consumption 100 mA at 24 V DC
Reverse polarity protection Yes
Environmental Conditions
Operating temperature 0 °C to +60 °C
Storage temperature -40 °C to +85 °C
Relative humidity 5% to 95% non-condensing
Bachmann|DMS202|Strain Gauge Input Module
Bachmann|DMS202|Strain Gauge Input Module
Description
The Bachmann DMS202 is a two-channel strain gauge input module designed for high-speed measurement of strain gauge signals up to 1 kHz with a sampling time of 12.5 µs.
Features
Two strain gauge inputs, automatic range switching, wire break detection, and monitoring of external supply voltage.
Technical Specifications
Bridge Supply
Carrier frequency 5 kHz ±2%
Amplitude 4 VRMS ±2%
Synchronization Optional, 5 kHz ±2%
Strain Gauge Amplifier Input
Input resistance > 5 MΩ
Effective bandwidth 1 kHz
Resolution 12 bit
Max common mode input voltage 10 V
CMRR (0 kHz to 5 kHz) > 80 dB
Cable break monitoring Yes, error message
Galvanic isolation 500 V
Measurement Outputs
Output voltage 0 V to 10 V
Internal resistance < 2 Ω
Load resistor > 2.5 kΩ
Conversion and Ranges
Conversion time 12.5 µs (single channel), 25 µs (two channels)
Measuring range 2.0/4.0/8.0/16.0 mV or Auto Range
Range switching Automatic or software-controlled
External Power Supply
Voltage range 18 V DC to 34 V DC
Current consumption 100 mA at 24 V DC
Reverse polarity protection Yes
Environmental Conditions
Operating temperature 0 °C to +60 °C
Storage temperature -40 °C to +85 °C
Relative humidity 5% to 95% non-condensing
