Product Model
IB STME 24 TEMP 4 RTD
Key Features
- 14 Analog Input Channels: Connects up to four resistance temperature detectors (RTDs) for precise temperature measurement.
- 2IP20 Protection: Ensures reliable operation in various environments with IP20 protection.
- 32, 3, and 4-Wire Connection: Supports multiple wiring configurations for flexibility in sensor connections.
- 4Sigma/Delta Process: Utilizes a Sigma/Delta process for high-resolution temperature measurement.
- 5EMC Class A Compliance: Meets EMC class A standards for safe operation in industrial settings.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| No. of channels | 2 | Connection method | ST local bus connector |
| Transmission speed | 500 kbps | Transmission physics | Copper |
| Input name | Analog RTD inputs | Description of the input | Inputs for resistive temperature sensors |
| Number of inputs | 4 (for resistance temperature detectors) | Connection technology | 2-, 3-, 4-conductor (shielded) |
| A/D converter resolution | 24 bit | Sensor types (RTD) that can be used | Pt 100, Pt 1000, Ni 100, Ni 1000 |
| Measuring principle | Sigma/Delta process | Measured value representation | 16 bit two's complement |
| Product type | I/O component | Type | modular
INTERBUS Smart Terminal |
| Operating mode | Process data mode with 4 words | Diagnostics messages | Failure of the internal I/O supply I/O error message sent to the bus coupler
F1 fuse failure I/O error message sent to the bus coupler
I/O supply failure I/O error message sent to the bus coupler |
| Connection method | ST local bus connector | Designation | Communications power |
| Supply voltage | 9 V DC (from the ST local bus) | Current consumption | typ. 54 mA
max. 80 mA |
| Power consumption | typ. 0.5 W | Designation | U |
| Supply voltage | 24 V DC | Supply voltage range | 19.5 V DC ... 30.2 V DC (including all tolerances, including ripple) |
| Current consumption | typ. 15 mA | Test voltage: Bus/Inputs | 500 V AC, 50 Hz, 1 min |
| Test voltage: Supply voltage/inputs | 500 V AC, 50 Hz, 1 min | Test voltage: Supply voltage/Ground conductor | 500 V AC, 50 Hz, 1 min |
| Test voltage: I/O voltage/Ground conductor | 500 V AC, 50 Hz, 1 min | Connection method | Snap on |
| Ambient temperature (operation) | -25 °C ... 55 °C | Degree of protection | IP20 |
| Air pressure (operation) | 80 kPa ... 106 kPa (up to 2000 m above sea level) | Air pressure (storage/transport) | 80 kPa ... 106 kPa (up to 2000 m above sea level) |
| Ambient temperature (storage/transport) | -25 °C ... 70 °C | Permissible humidity (operation) | 10 % ... 95 % (non-condensing) |
| Permissible humidity (storage/transport) | 10 % ... 95 % (non-condensing) | Protection class | III (IEC 61140, EN 61140, VDE 0140-1) |
| Mounting type | DIN rail mounting |
Specifications may be subject to change without notice