IB ST 24 DI 16/4
Product ID:18184
Updated: 2026/8/3
Key Features
- 116 digital inputs for connecting various sensors.
- 224 V DC power supply with 4-wire connection method.
- 3IP20 protection for reliable operation in harsh environments.
- 4Short-circuit protection for sensor supply and diagnostic indicators.
- 5DIN rail mounting with a net weight of 735.4 grams.
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Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Width | 118 mm | Height | 117 mm |
| Depth | 116 mm | Connection method | ST local bus connector |
| Transmission speed | 500 kbps | Input name | Digital inputs |
| Number of inputs | 16 | Connection method | Screw connection |
| Connection technology | 4-conductor | Input voltage | 24 V DC |
| Input voltage range "0" signal | -30 V DC ... 5 V DC | Input voltage range "1" signal | 13 V DC ... 30 V DC |
| Nominal input current at U | typ. 7 mA (per channel) | Typical response time | 3 ms (typical) |
| Product type | I/O component | Product family | Smart Terminal ST |
| Type | modular
INTERBUS Smart Terminal | Mounting position | Horizontal DIN rail |
| No. of channels | 16 | Supply voltage | 24 V DC |
| Supply voltage range | 20 V DC ... 30 V DC (including ripple) | Current consumption | typ. 100 mA |
| Ripple | 3.6 V | Test voltage: Bus logic / I/O | 500 V AC, 50 Hz, 1 min |
| Test voltage: Ground conductor / I/O | 500 V AC, 50 Hz, 1 min | Test voltage: Supply voltage logic / I/O | 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) | 0 °C ... 55 °C |
| Degree of protection | IP20 | Air pressure (operation) | 80 kPa ... 108 kPa (up to 2000 m above sea level) |
| Air pressure (storage/transport) | 80 kPa ... 108 kPa (up to 2000 m above sea level) | Ambient temperature (storage/transport) | -20 °C ... 70 °C |
| Permissible humidity (operation) | 75 % (on average, 85% infrequently, non-condensing) | Permissible humidity (storage/transport) | 75 % (on average, 85% infrequently, non-condensing) |
| Protection class | III (IEC 61140, EN 61140, VDE 0140-1) | Mounting type | DIN rail mounting |
| Mounting position | Horizontal DIN rail |
Specifications may be subject to change without notice
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