Type 8418 RTD Temperature Sensor with IO-Link Interface
The Type 8418 RTD temperature sensor is designed for precise temperature measurement and monitoring. It features a digital IO-Link interface for bidirectional data transfer, enabling easy access to measured values, device status, and settings.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material (Non-wetted parts) | Housing: stainless steel 1.4404 (316L), 1.4571 (316Ti); Fixed connector: stainless steel 1.4404 (316L), PBT GF 6.5 |
| Material (Wetted parts) | Process connection: stainless steel 1.4404 (316L), 1.4435 (316L) with low delta ferrite content; Protection tube: stainless steel 1.4404 (316L), 1.4435 (316L) |
| Weight | Approx. 80g for thread connection and 100mm probe length |
| Measuring Element | RTD temperature probe Pt1000, four-wire circuit |
| Measuring probe length | 50mm or 100mm |
| Measuring Range | -50...+150°C (-58...+302°F) |
| Monitoring | IO-Link event configurable; Data process invalid, range overflow/underflow, hardware fault |
| Additional function | Fine adjustment, Change between °C/°F, Data format switch (integer/floating point), Switching outputs in SIO mode |
| Sampling rate | 160ms |
| Transmission behaviour | Temperature linear |
| Measuring resolution | 14bit |
| Measurement Deviation | ±(0.15+0.002×|t|)°C according to EN 60751:2009/IEC 60751:2008 |
| Response Time | t0.5=5s, t0.9=12s (water, flow velocity 0.4m/s); t0.5=40s, t0.9=110s (water, flow velocity 3.0m/s) |
| Operating Voltage | IO-Link: 18...32VDC; Switch: 9.6...32VDC; Nominal voltage: 24VDC |
| Current Consumption | IO-Link: ≤12mA; Switch: ≤20mA; In switch operation: ≤200mA (with 2 digital outputs) |
| DC reverse polarity protection | Yes |
| Short Circuit Protection | Yes (clocked) |
| Protection Class | Class III according to EN 61140 |
| Signal Processing | Input filter: digital filter, second order; Filter time constant configurable |
| Number of outputs | 1 digital output in IO-Link operation; 2 digital outputs for switch operation (SIO mode) |
| Switching function configurable | Hysteresis function (configurable) or window function; NC or NO contact; PNP or NPN; Switch-on/off delay (0...100s) |
| Measuring current | ≤500μA |
| Switching current | ≤100mA per output |
| Voltage drop at switching transistor | ≤2VDC |
| Recommended connection cable | 4-wire unshielded cable, max. 20m |
| Fluid | Liquid and gaseous medium |
| Fluid Pressure | G½ process connection: Max. 40bar; Clamp DN10/20: Max. 10bar |
| Process Connection | G½ according to EN 837; Clamp DN10/20 according to DIN 32676 |
| Electrical Connection | M12×1 male connector, 4 pins, A-coded, non-rotating (IO-Link Port Class A) |
| Digital communication: IO-Link | IO-Link Device V1.1, downward compatible to V1.0; COM3 (230.4kBd); Cycle time: Min. 2ms |
| Ambient Temperature | Operation and storage: -40...+85°C (-40...+185°F) |
| Temperature influence | ≤±0.0025% per K |
| Relative air humidity | During operation: ≤100% without condensation; During storage: ≤90% without condensation |
| Climate class | 3K7 according to EN 60721-3-3 |
| Application Range | A |
| Degree of Protection | IP66/IP67/IP69 with connector screwed on to IEC/EN 60529 |
| Mounting Position | Unrestricted |
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