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OEM Module for Trace Oxygen Measurement
Electro-Optical Module EOM-tO2-FOM
The EOM-O2-FOM is a precise, single channel module for trace O2 measurement. It is compatible with wide range sensors type PSt3 (max. measurement range 0 – 100 % O2, limit of detection 0.03 % O2), trace sensors type PSt6 (measurement range 0 – 5 % O2, limit of detection 0.001 % O2) and ultra-trace range sensors type PSt9 (measurement range 0 – 200 ppmv O2, limit of detection 0.5 ppmv O2). With its small outer dimensions and low power consumption it can easily be integrated in custom monitoring and control systems. RS232, RS485 or USB 2.0 is used as a digital interface. A serial communication protocol is offered for data exchange between a PC or another host unit and the EOM. Additionally, the EOM has 4 to 20 mA analog output. A Pt100 temperature sensor interface and on-board pressure sensor ensure temperature and pressure compensation of the oxygen measurements.
- Compatible with sensors type PSt3, PSt6 & PSt9
- Small dimensions & low power consumption
- Communication via RS232, or RS485 (PreSens proprietary or Modbus RTU)
- 4 to 20 mA (current sink) analog output
- Pt100 temperature sensor interface and on-board pressure sensor
Applications
Simple Connection to PLC
PLC programming can be a challenging and time-consuming task. Establishing a stable working connection to third-party hardware via interfaces such as RS485 is error prone. PreSens offers you the right support! We provide LAD-schemes and SCL-scripts, the corresponding TIA-project files and even wiring tables to help you connecting your EOM boards to a Siemens-S7-(1200-)PLC, nearly instantly. Nothing stands in the way of further development into company-specific solutions such as process control. Contact our service team!
Technical
| Specifications | |
|---|---|
| O2 sensors | PSt3, PSt6, PSt9 (optical SMA connector) |
| Phase resolution | 0.01° |
| Sampling rate | 0.11 sec. – 599.9 sec. |
| Temperature sensor | Four-wire Pt100 sensor interface |
| Temperature performance | 0.1 °C + Pt100 accuracy |
| Supply voltage | 5 – 28 VDC |
| Power consumption in active mode | 0.75 W |
| Power consumption in stand-by mode | 0.25 W |
| Temperature: operating / storage | From 0 °C to + 50 °C / from - 10 °C to + 70 °C |
| Relative humidity | 0 % to 80 % (non-condensing) |
| Dimensions (L x W x H) | 94.2 mm x 25.0 mm x 19.6 mm |
| Weight | 39 g |
| Digital interface | RS232, optionally RS485 (PreSens proprietary or Modbus RTU) USB 2.0 |
| 1Depends on hardware configuration and parameter settings. < 0.7 s only possible without temperature sensor. | |
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