Product Model
IBS ST ZF 24 BK DIO 8/8/3-T

Selling Points
- 1Ideal for applications with limited space, featuring 8 digital inputs and 8 digital outputs.
- 2Supports screw terminal blocks and FLK connectors for easy module connection.
- 3Ensures reliable operation with IP20 protection against dust and water.
- 4Compatible with up to four additional INTERBUS-ST input/output modules.
- 5Compatible with ELR 319 electronic load relay and VARIOFACE input/output modules via FLK connectors.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Width | 118 mm | Height | 117 mm |
Depth | 116 mm | Color | green |
Connection method | 9-pos. D-SUB plug/socket | Designation connection point | Incoming/Outgoing Remote Bus |
Number of positions | 9 | Connection method | ST local bus connector |
Transmission speed | 500 kbps | Max. number of local bus devices | max. 4 |
Input name | Digital inputs | Number of inputs | 8 |
Connection method | Screw-cage connection or FLK connectors | Connection technology | 3-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. 5 mA (per channel) |
Typical response time | ≥ 1 ms (typical) | Protective circuit | Overload protection; Fuse in header |
Output name | Digital outputs | Connection method | Screw-cage connection or FLK connectors |
Connection technology | 3-conductor | Number of outputs | 8 |
Protective circuit | Short-circuit protection; electronic
Overload protection; Fuse in header | Maximum output current per group | 2 A |
Maximum output current per channel | 500 mA | Maximum output current per module / terminal block | 4 A |
Nominal load, lamp | 12 W | Nominal load, ohmic | 12 W |
Maximum operating frequency with ohmic nominal load | max. 150 Hz (48 Ω) | Product type | I/O component |
Product family | Smart Terminal ST | Type | modular
INTERBUS Smart Terminal |
Mounting position | Horizontal DIN rail | No. of channels | 16 |
Maximum power dissipation for nominal condition | 3.6 W | Supply voltage | 24 V DC |
Supply voltage range | 18.5 V DC ... 30.5 V DC (including ripple) | Current consumption | typ. 150 mA |
Ripple | 3.6 V | Test voltage: Incoming remote bus / Outgoing remote bus | 500 V AC, 50 Hz, 1 min |
Test voltage: Incoming remote bus / I/O interface | 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 |
Stripping length | 8 mm | 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 | Stripping length | 8 mm |
Ambient temperature (operation) | 0 °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) | 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