Product Description
Product Details
Manufacturer: BACHMANN
Model/Part Number: AIO288/1
Description: Analog Input/Output Module
The analog input/output module AIO288/x offers eight analog input channels as well as eight analog output channels.
Features
- 8 analog inputs
- 8 analog outputs
- Connection possibility: single-ended or differential
- Power supply for up to 4 potentiometers
- Temperature inputs for up to 4 Pt100/Pt1000 sensors
- 2-wire or 4-wire inputs for Pt100/Pt1000 sensors
- Wire break detection for inputs (voltage and temperature)
- Short-circuit proof outputs
- Overload detection for potentiometer power supplies
- Monitoring of the external supply voltage
Voltage Inputs
| Parameter |
Specification |
| Max Quantity |
8 |
| Input Voltage Range |
±1 V or ±10 V |
| Input Impedance |
> 100 kΩ |
| Digital Resolution |
14-bit |
| Common Mode Voltage (Max) |
±1 V |
| Accuracy (@ 25 °C) |
±0.05% of input voltage range |
| Cutoff Frequency |
1.5 kHz (3 dB) |
| Cross-Talk Attenuation |
> 60 dB |
| Sample Time |
200 µs |
Voltage Outputs
| Parameter |
Specification |
| Max Quantity |
8 |
| Output Voltage Range |
±10 V |
| Digital Resolution |
14-bit |
| Common Mode Voltage (Max) |
±1 V |
| Accuracy (@ 25 °C) |
±0.025% of output voltage range |
| Settling Time |
Max. 400 µs (1% of output current range) |
| Cross-Talk Attenuation |
> 60 dB |
| Refresh Cycle Time |
200 µs |
Current Inputs
-
Max Quantity: 8
-
Range: 0 .. 20 mA
-
Input Impedance: 243 Ω
-
Digital Resolution: 14-bit
-
Maximum Input Current: 35 mA (destruction limit)
-
Accuracy (@ 25 °C): ±0.1% of input current range
-
Cutoff Frequency: 1.5 kHz (3 dB)
-
Sample Time: 200 µs
Temperature Inputs
-
Sensor Types: Pt100, Pt1000 (selectable)
-
Max Quantity: 4
-
Connection Type: 2- or 4-wire (optional)
-
Temperature Range: -100 .. +500 °C
-
Input Impedance: > 100 kΩ
-
Accuracy (@ 25 °C): ±0.1% of input current range
-
Cutoff Frequency: 1.5 kHz (3 dB)
-
LSB Value: 0.1 K
-
Sample Time: 200 µs
-
Galvanic Isolation: 500 V
Potentiometer Power Supply
-
Max Quantity: 4
-
Voltage Range: ±10 V
-
Error (@ 25 °C): ±100 mV
-
Max Load: 40 mA
External Power Supply
-
Voltage Range: 18 .. 34 V DC
-
Current Consumption: 230 mA @ +5 V DC
-
Galvanic Isolation: 500 V (only AIO288)
Ambient Conditions
| Parameter |
Specification |
| Operating Temperature |
-30 .. +60 °C |
| Humidity (Operation) |
5 .. 95% (with or without condensation) |
| Storage Temperature |
-40 .. +85 °C |
| Humidity (Storage) |
5 .. 95% (with condensation) |
Execution Variants
- Analog input/output module:
- 8x Inputs (±10 V, ±1 V, 20 mA)
- 4x Temperature Inputs (Pt100/Pt1000)
- 8x Outputs (±10 V)
- 4x Potentiometer Power Supplies
- 14-bit resolution, 0.1% accuracy, 200 µs sample time
- NOT isolated
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