Product Model
IB ST 24 AO 4/EF
Selling Points
- 14 Analog Outputs: Connect voltage or current signals with 4 channels.
- 212-bit D/A Resolution: Achieve high precision with 12-bit digital-to-analog conversion.
- 3Robust Transient Protection: Ensure reliable operation with suppressor diodes and F1 fuse.
- 4Wide Operating Range: Operate from -25°C to 55°C and up to 2000 meters above sea level.
- 5DIN Rail Mounting: Conveniently mount on DIN rails for easy installation in industrial environments.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Width | 118 mm | Height | 116 mm |
Depth | 117 mm | No. of channels | 2 |
Connection method | ST local bus connector | Transmission speed | 500 kbps |
Transmission physics | Copper | ID code (dec.) | 125 |
ID code (hex) | 7D | Length code (hex) | 4 |
Length code (dec) | 4 | Input address area | 0 Byte |
Output address area | 8 Byte | Register length | 8 Byte |
Output name | Analog outputs | Connection technology | 2, 3-conductor |
Number of outputs | 4 (Voltage or current) | D/A conversion time | max. 1 ms (incl. slew rate) |
D/A converter resolution | 12 bit | Protective circuit | Transient protection; Suppressor diode |
Representation of output values | 16 bit two's complement | Current output signal | 0 mA ... 20 mA (SF and SF4 mode)
4 mA ... 20 mA (Mode SF4) |
Load/output load current output | to 500 Ω | Voltage output signal | -10 V ... 10 V (Mode BP)
0 V ... 10 V (SF and SF4 mode) |
Load/output load voltage output | > 2 kΩ | Product type | I/O component |
Type | modular
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
F1 fuse failure I/O error message sent to the bus coupler
I/O supply failure I/O error message sent to the bus coupler | Connection method | ST local bus connector |
Designation | Communications power | Supply voltage | 9 V DC (from the ST local bus) |
Current consumption | typ. 54 mA
max. 80 mA | Power consumption | typ. 0.5 W |
Designation | U | Supply voltage | 24 V DC |
Supply voltage range | 19.5 V DC ... 30.2 V DC (including all tolerances, including ripple) | Current consumption | typ. 48 mA (Mode BP)
typ. 130 mA (SF and SF4 mode) |
Test voltage: Bus/Outputs | 500 V AC, 50 Hz, 1 min | Test voltage: Supply voltage/Outputs | 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 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) | -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) |
Protection class | III (IEC 61140, EN 61140, VDE 0140-1) | Mounting type | DIN rail mounting |
Specifications may be subject to change without notice