The KM3702 analog input terminal measures the pressure value as a difference to the environment (relative pressure measurement) in a measuring range up to 7.5 bar. The pressure value is directly available to the controller as a 16-bit value, and errors such as out-of-range values are also displayed. The compact design and simple connection system support space-saving and quick installation with no need for additional measuring devices.
The terminal can be used to measure pressure or also to replace a pressure switch. It is not suitable for measuring aggressive gases. The pressure value in the controller enables the switching threshold to be stored as a parameter for a logical operation. Manually setting the pressure switch in the application is therefore no longer required.
Special features:
- direct relative pressure measurement in a measuring range up to 7.5 bar
- pressure range overflow display
- compact design and simple connection technology
- can be used as a replacement for pressure switches
The KM3702 belongs to the KM37xx series of pressure measuring terminals. These are split into two groups: differential pressure measurement (measurement between two terminals) and relative pressure measurement (measurement relative to the environment).
Product status:
regular delivery
Product information
Technical data | KM3702 |
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Number of inputs | 2 |
Technology | relative pressure measurement |
Measuring range | 0…7500 hPa (7.5 bar) |
Max. overload | 10,000 hPa (10 bar) |
Resolution | 1 hPa (1 mbar) per digit |
Measurement error/uncertainty | 3% (relative to full scale value) |
Measuring speed | 5 ms typ. |
Current consumption power contacts | – (no power contacts) |
Current consumption K-bus | typ. 15 mA |
Bit width in the process image | 2 x 3 byte input/output |
Medium | non-aggressive gases |
Weight | approx. 100 g |
Operating/storage temperature | 0…+55°C/-25…+85°C |
Relative humidity | 95%, no condensation |
Vibration/shock resistance | conforms to EN 60068-2-6/EN 60068-2-27 |
EMC immunity/emission | conforms to EN 61000-6-2/EN 61000-6-4 |
Protect. rating/installation pos. | IP20/variable |
Approvals/markings | CE, UL |
Housing data | KL-24 |
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Design form | compact terminal housing with signal LEDs |
Material | polycarbonate |
Dimensions (W x H x D) | 24 mm x 100 mm x 52 mm |
Installation | on 35 mm DIN rail, conforming to EN 60715 with lock |
Side by side mounting by means of | double slot and key connection |
Marking | – |
Wiring | specific push-in connection |
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