Product Model
IB ST 24 AI 4/SF

Selling Points
- 1High Accuracy Measurement: The module offers high accuracy of measurement with a basic error limit of 0.05% for voltage inputs and 0.06% for current inputs.
- 2Differential Inputs: Equipped with 4 differential analog input channels for connecting either voltage or current signals in 2, 3, and 4-wire technology.
- 3Robust EMC Protection: Designed as a class A product with comprehensive EMC measures, including a new shielding concept and automatic earth ground connection.
- 4Fast Acquisition Time: Features an A/D conversion time of max. 10 µs per channel, ensuring rapid acquisition of measurement values.
- 5Wide Operating Range: Operates in ambient temperatures from -25°C to 55°C and humidity levels from 10% to 95% (non-condensing).
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Width | 118 mm | Height | 117 mm |
Length | 116 mm | EMC note | EMC: class A product, see manufacturer's declaration in the download area |
Color | green | Connection method | ST local bus connector |
Transmission speed | 500 kbps | Transmission physics | Copper |
Product type | I/O component | Product family | Smart Terminal ST |
Type | modular
INTERBUS Smart Terminal | No. of channels | 4 |
Maximum power dissipation for nominal condition | 1.56 W | Test section | Bus/Inputs 500 V AC 50 Hz 1 min
Supply voltage/inputs 500 V AC 50 Hz 1 min
Supply voltage/Ground conductor 500 V AC 50 Hz 1 min
I/O voltage/Ground conductor 500 V AC 50 Hz 1 min |
Communications power U | 9 V DC (from the ST local bus) | I/O voltage | ± 24 V DC 5 % (ripple) |
I/O voltage range | 20 V DC ... 30 V DC | Max. current consumption | 125 mA (without passive sensors) |
Typical current consumption | 65 mA (without passive sensors) | 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 |
Degree of protection | IP20 | Mounting type | DIN rail mounting |
Specifications may be subject to change without notice