Yokogawa SL1000 high-speed data acquisition unit input module

Yokogawa SL1000 high-speed data acquisition unit input module

Positioning and Applicable Scope

Product association: The manual for the dedicated input module of the Yokogawa SL1000 high-speed data acquisition unit provides detailed specifications, measurement principles, and operating points for 15 core input modules. It needs to be used in conjunction with other manuals of the SL1000 system.

Supporting document system: The SL1000 series documents include categories such as system operation, collection software, module security, and auxiliary software installation. The functions of each document are clearly divided, and "E" is the language code. The latest version can be obtained through the Yokogawa official website.

Classification and specification summary of core input modules

The SL1000 input module can be divided into six categories based on measurement functions: voltage/high-speed voltage, high voltage, temperature/universal, strain, acceleration/frequency, and high-speed/high-frequency. Each module is designed for different application scenarios, with significant differences in key parameters. The following are the highlights of the core module specifications:

1. High speed voltage module (core used for high-frequency signal acquisition)

Module model, core parameters, applicable scenarios

701250 (10 MS/s, 12 bits, isolated) 2-channel, DC-3 MHz bandwidth, ± 50 mV~200 V range, 2300 Vrms withstand voltage industrial high-frequency voltage signals (such as motor drive signals)

720210/721211 (100 MS/s, 12 bits, isolated) 2-channel, DC-20 MHz bandwidth, maximum 1000 V (DC+ACpeak) input, 5400 Vrms withstand ultra-high frequency signals (such as RF and pulse signals), supports simultaneous installation of 4 modules (top slot)

701251 (1 MS/s, 16 bits, isolated) 2-channel, DC-300 kHz bandwidth, ± 1 mV~20 V high-precision range, residual noise ± 100 μ V high-precision low-frequency voltage measurement (such as sensor weak signal)

2. High voltage modules (designed for high voltage environments)

Module model, core parameters, and functional highlights

701267 (100 kS/s, 16 bits, isolated, with RMS) 2-channel, ± 200 mV~2 kV range, RMS measurement mode (40 Hz-10 kHz), 3510 Vrms high-voltage effective value measurement (such as grid voltage monitoring), supports waveform/RMS dual-mode switching

720268 (1 MS/s, 16 bits, isolated, with AAF/RMS) 2-channel, DC-300 kHz bandwidth, automatic anti aliasing filtering (AAF), 5400 Vrms high-voltage high-frequency signal acquisition, AAF automatically adjusts the cutoff frequency according to the sampling rate (e.g. AAF=40 kHz at 100 kS/s)

3. Temperature/Universal Module (Multi parameter Comprehensive Measurement)

Module model, core parameter measurement capability

701261/701262 (universal voltage/temperature) 2-channel, supports 8 types of thermocouples such as K/E/J/T, ± 50 mV~200 V voltage, 120 dB common mode rejection ratio voltage and temperature mixed measurement, 701262 with AAF filter, suitable for multi parameter industrial environment

701265 (high-precision voltage temperature, isolation) 2-channel, temperature accuracy ± (0.1% reading+1.5 ℃), voltage accuracy ± (0.08% range+2 μ V), 20 nA input bias current laboratory level high-precision measurement (such as precision equipment temperature monitoring)

720266 (low noise, high-precision voltage and temperature) 2-channel, residual noise ± 4 μ V, DC-15 Hz bandwidth, 0.1 Hz~8 Hz optional digital filtering for ultra-low noise scenarios (such as weak temperature and voltage signals from sensors)

4. Strain type module (specialized for structural stress measurement)

Module Model Core Parameter Interface and Calibration

701270 (NDK interface) 2-channel, 100 kS/s sampling rate, ± 20000 μ STR range, 120-1000 Ω strain gauge resistance in accordance with Japanese NDK standards, equipped with a dedicated NDK connector (PRC03-12A10-7M10.5)

701271 (DSUB interface, with shunt calibration) 2-channel, built-in shunt calibration relay, ± 20000 μ STR range, supports mV/V unit system with 9-pin D-Sub interface, supports shunt calibration (Shun Cal), suitable for structural mechanics testing

5. Frequency/acceleration module (dynamic signal measurement)

Module model core parameter measurement function

701281/720281 (frequency module) 2-channel, 0.01 Hz~500 kHz measurement range, 625 ps resolution, supports 8 modes including frequency/RPM/cycle/duty cycle, etc. 720281 supports 1000 Vrms (CAT II) input, suitable for motor speed and pulse signal monitoring

701275 (Acceleration/Voltage Module, with AAF) 2-channel, DC-40 kHz bandwidth, supports built-in amplifier acceleration sensors such as ICP/ISOTRON, 4 mA sensor power supply for mixed measurement of acceleration and voltage, AAF automatically adapts sampling rate (e.g. AAF=4 kHz at 10 kS/s)

6. Other special modules

701255 (non isolated high-speed voltage module): 2-channel, 10 MS/s sampling rate, non isolated design, suitable for low-cost high-frequency measurement without isolation requirements (such as circuit board signal testing).

701280 (Appendix Frequency Module): Measurement range of 0.01 Hz~200 kHz, 50 ns resolution, supports pulse integration and velocity calculation, suitable for low-end dynamic signal monitoring.