Product Model
IBS ST ZF 24 BK-LK

Selling Points
- 1Modular Design: Compact and modular, easy to integrate into industrial automation systems.
- 2Fiber Optic Connectivity: Supports fiber optic F-SMA connectors for reliable and high-speed data transmission.
- 3IP20 Protection: Ensures safe operation in various industrial environments with IP20 protection.
- 4DIN Rail Mounting: Convenient horizontal DIN rail mounting for easy installation.
- 5High Isolation: Provides electrical isolation of the remote bus segments and logic supply voltage for enhanced safety.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Type | modular | Mounting position | Horizontal DIN rail |
Supply voltage | 24 V DC | Supply voltage range | 20 V DC ... 30 V DC (including ripple) |
Current consumption | typ. 80 mA (without ST module expansions)
typ. 350 mA (For maximum number of I/O modules on the ST local bus) | Ripple | 3.6 V |
Test voltage: Incoming remote bus / Outgoing remote bus | 500 V AC, 50 Hz, 1 min | Test voltage: Supply voltage/Ground conductor | 500 V AC, 50 Hz, 1 min |
Test voltage: Incoming remote bus/ST interface | 500 V AC, 50 Hz, 1 min | Connection method | Spring-cage connection |
Conductor cross section, rigid | 0.2 mm² ... 1.5 mm² | Conductor cross section, flexible | 0.2 mm² ... 1.5 mm² |
Conductor cross section AWG | 24 ... 16 | Connection method | F-SMA connector |
Designation connection point | Incoming/Outgoing Remote Bus | Connection method | ST local bus connector |
Max. number of local bus devices | max. 8 | Width | 81 mm |
Height | 117 mm | Depth | 116 mm |
Ambient temperature (operation) | 0 °C ... 55 °C | Degree of protection | IP20 |
Air pressure (operation) | 86 kPa ... 108 kPa (up to 1500 m above sea level) | Air pressure (storage/transport) | 66 kPa ... 108 kPa (up to 3500 m above sea level) |
Ambient temperature (storage/transport) | -20 °C ... 70 °C | Permissible humidity (operation) | 30 % ... 75 % (non-condensing) |
Permissible humidity (storage/transport) | 30 % ... 95 % (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