Image shows IB ST 24 TEMP 4 RTD (2700843) version
Official DistributorSKU
MPN
IB ST ZF 24 BAI 8/EF
Weight
0.57 kg
Series IB-ST-ZF
IB ST ZF 24 BAI 8/EF - I/O module
INTERBUS-ST analog input module, 8 inputs, 0 - 5 V, 0 - 10 V 0 - 25 V, 0 - 50 V, 0 - 20 mA, 4 - 20 mA, 0 - 40 mA, 0 - 60 mA, degree of protection IP20, comprising: Terminal part with spring-cage connection and module electronics
- 8 analog inputs for the connection of either voltage or current signals
- Connection of sensors in 2-conductor technology
Technical Specifications
Dimensions
| Width | 118 mm |
| Height | 116 mm |
| Depth | 117 mm |
ST local bus
| No. of channels | 2 |
| Connection Method | ST local bus connector |
| Transmission Speed | 500 kbps |
| Transmission physics | Copper |
Module
| ID code (dec.) | 127 |
| ID code (hex) | 7F |
| Length code (hex) | 4 |
| Length code (dec) | 4 |
| Input address area | 8 Byte |
| Output address area | 0 Byte |
| Register length | 8 Byte |
Analog:
| Input name | Analog inputs |
| Number of Inputs | max. 8 (Voltage or current) |
| A/D conversion time | max. 10 µs (per channel) |
| Connection technology | 2, 3-conductor |
| Measuring Principle | Successive approximation |
| Measured value representation | 8 bit straight binary (default) or 12 bit two’s complement (can be parameterized) |
| Number of Inputs | 8 (Voltage inputs) |
| A/D converter resolution | 12 bit (4096 steps; 2.44 mV/quantization steps) |
| A/D converter resolution | 8 bit (256 steps; 39 mV/quantization steps) |
| Voltage input signal | 0 V ... 10 V |
| Voltage input signal | 0 V ... 5 V |
| Voltage input signal | 0 V ... 25 V |
| Voltage input signal | 0 V ... 50 V |
| Input resistance of voltage input | 150 kΩ |
| Number of Inputs | 8 (Current inputs) |
| A/D conversion time | max. 10 µs |
| A/D converter resolution | 12 bit (4096 steps; 3.91 µA/quantization steps) |
| A/D converter resolution | 8 bit (256 steps; 62.7 µA/quantization steps) |
| Current Input Signal | 4 mA ... 20 mA |
| Current Input Signal | 0 mA ... 20 mA |
| Current Input Signal | 0 mA ... 40 mA |
| Current Input Signal | 0 mA ... 60 mA (rms) |
| Current Input Signal | 0 mA ... 100 mA (peak) |
| Input resistance current input | 77 Ω |
Product properties
| Type | modular |
| Type | INTERBUS Smart Terminal |
| Operating mode | Process data mode with 4 words |
| Diagnostics messages | Failure of the internal I/O supply I/O error message sent to the bus coupler |
| Diagnostics messages | F1 fuse failure I/O error message sent to the bus coupler |
| Diagnostics messages | I/O supply failure I/O error message sent to the bus coupler |
Electrical properties
| Maximum power dissipation for nominal condition | 0.5 W |
Supply: Module electronics
| Connection Method | ST local bus connector |
| Designation | Communications power |
| Supply Voltage | 9 V DC (from the ST local bus) |
| Current consumption | typ. 54 mA |
| Current consumption | max. 80 mA |
| Power consumption | typ. 0.5 W |
Supply:
| Designation | US |
| Supply Voltage | 24 V DC |
| Supply Voltage Range | 19.5 V DC ... 30.2 V DC (including all tolerances, including ripple) |
| Current consumption | typ. 45 mA (Ib = 0 mA (Ib = total current for supplying passive sensors for all channels)) |
| Current consumption | typ. 120 mA (Ib = 100 mA (Ib = total current for supplying passive sensors for all channels)) |
Supply: Passive sensor supply
| Designation | UB (generated internally) |
| Supply Voltage | 15 V ±6 % |
| Current consumption | max. 100 mA (Total for all channels) |
Electrical isolation/isolation of the voltage ranges
| Test voltage: Bus/Inputs | 500 V AC, 50 Hz, 1 min. |
| Test voltage: Supply voltage/inputs | 500 V AC, 50 Hz, 1 min. |
| Test voltage: Supply voltage/Ground conductor | 500 V AC, 50 Hz, 1 min. |
| Test voltage: I/O voltage/Ground conductor | 500 V AC, 50 Hz, 1 min. |
Connection technology
| Connection name | Terminal block |
Conductor connection
| Connection Method | Spring-cage 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 |
Terminal block
| Connection Method | Spring-cage 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 conditions
| Ambient Temperature (Operation) | -25 °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) | 10 % ... 95 % (non-condensing) |
| Permissible humidity (storage/transport) | 10 % ... 95 % (non-condensing) |
Standards and Regulations
| Protection class | III (IEC 61140, EN 61140, VDE 0140-1) |
Mounting
| Mounting Type | DIN rail mounting |
Accessories
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Additional Information
| Pack Size | 1 |
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