Product Model
IB ST ZF 24 TEMP 4 RTD
Key Features
- 1Connect up to 4 resistance temperature detectors (RTDs) for precise temperature measurement.
- 2Supports 2, 3, and 4-wire connections for various sensor types, including Pt 100 and Ni 100.
- 3Ensures reliable operation in industrial environments with IP20 degree of protection.
- 4Utilizes a Sigma/Delta process with 16-bit two's complement representation for accurate measurements.
- 5Built to last with dimensions of 118 mm width, 116 mm height, and a net weight of 582.7 grams.
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 | 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 | Maximum power dissipation for nominal condition | 0.5 W |
| 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 name | Terminal block |
| Connection method | Spring-cage 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 | Spring-cage 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