Official DistributorSKU
MPN
IB STME 24 AI 4/EF
Weight
0.245 kg
Series IB-STME
IB STME 24 AI 4/EF - Replacement electronics module
INTERBUS-ST analog input module, 4 inputs, 0 - 10 V, ±10 V, 0 - 20 mA, 4 - 20 mA, degree of protection IP20, comprising: Module electronics only
- 4 analog, differential input channels for the connection of either voltage or current signals
- Connection of sensors in 2-, 3-, and 4-conductor technology
- Sensor supply +15 V DC
Technical Specifications
ST local bus
| No. of channels | 2 |
| Connection Method | ST local bus connector |
| Transmission Speed | 500 kbps |
| Transmission physics | Copper |
Module
| ID code (dec.) | 126 |
| ID code (hex) | 7E |
| 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. 4 (differential inputs, voltage or current) |
| A/D conversion time | max. 10 µs (per channel) |
| Connection technology | 2-, 3-, 4-conductor (shielded) |
| Measuring Principle | Successive approximation |
| Measured value representation | 16 bit two's complement |
| Number of Inputs | 4 (differential inputs, voltage) |
| A/D converter resolution | 12 bit (4096 steps; 4.88 mV/quantization step (BP mode); 2.44 mV/quantization step (SF and SF4 mode)) |
| Voltage input signal | 0 V ... 10 V (SF and SF4 mode) |
| Voltage input signal | -10 V ... 10 V (Mode BP) |
| Input resistance of voltage input | 200 kΩ |
| Common mode voltage range signal - ground | -35 V DC ... 35 V DC |
| Number of Inputs | 4 (Differential inputs, current) |
| A/D conversion time | max. 10 µs |
| A/D converter resolution | 12 bit (4096 steps; 4.88 μA/quantization step (SF mode); 3.91 µA (SF4 mode); 7.8 µA (BP mode)) |
| Current Input Signal | 0 mA ... 20 mA (SF mode) |
| Current Input Signal | 4 mA ... 20 mA (BP and SF4 mode) |
| Input resistance current input | 50 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 |
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 data
| Connection Method | Snap on |
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 |
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Additional Information
| Pack Size | 1 |
Recommended
IB STME 24 AO 4/EF - INTERBUS-ST analog output module, 4 outputs, 0 - 10 V, ±10 V, 0 - 20 mA, 4 - 20 mA, comprising: Module electronics only
