Product Model

IB ST 24 AI 4/SF

In Stock
Last updated: 2025/4/18
Phoenix Contact 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).
Product Details
IB ST 24 AI 4/SF
Phoenix Contact

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
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