Product Model
IB ST 24 TEMP 4 RTD

Selling Points
- 14 Analog Input Channels: Connect resistance temperature detectors (RTDs) with 4 high-precision analog inputs.
- 2Versatile Sensor Connections: Supports 2-, 3-, and 4-conductor connections for flexible sensor integration.
- 3High-Resolution A/D Converter: Utilizes a 24-bit A/D converter for accurate temperature measurements.
- 4Robust IP20 Protection: Ensures reliable operation in harsh environments with IP20 degree of protection.
- 5Easy Integration: Designed for seamless integration into INTERBUS-ST stations, simplifying your temperature monitoring setup.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Width | 118 mm | Height | 116 mm |
Depth | 117 mm | No. of channels | 2 |
Connection method | ST local bus connector | Transmission speed | 500 kbps |
Transmission physics | Copper | ID code (dec.) | 123 |
ID code (hex) | 7B | Length code (hex) | 4 |
Length code (dec) | 4 | Input address area | 8 Byte |
Output address area | 8 Byte | Register length | 8 Byte |
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 | Periphery supply voltage 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 name | Terminal block |
Connection method | Screw connection | Conductor cross section rigid | 0.2 mm² ... 2.5 mm² |
Conductor cross section flexible | 0.2 mm² ... 2.5 mm² | Conductor cross section AWG | 24 ... 12 |
Stripping length | 8 mm | Connection method | Screw connection |
Conductor cross section, rigid | 0.2 mm² ... 2.5 mm² | Conductor cross section, flexible | 0.2 mm² ... 2.5 mm² |
Conductor cross section AWG | 24 ... 12 | Stripping length | 8 mm |
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