Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Module type | AI 8xU/I HS |
| Analog input channels | 8; in groups of 8 |
| Resolution | 16 bit with overrange |
| Accuracy | 0.3% |
| Supported voltage ranges | 1 V to 5 V; -10 V to +10 V; -5 V to +5 V |
| Supported current ranges | 0 to 20 mA; -20 mA to +20 mA; 4 mA to 20 mA |
| Rated supply voltage | 24 V DC |
| Permissible supply range | 19.2 V to 28.8 V |
| Diagnostics | Yes |
| Basic execution time | 62.5 μs; independent of number of activated channels |
| Horizontal installation temperature | -40 °C to 70 °C; +85 °C for 10 minutes under OT4, ST1/ST2 conditions |
Key Features
- Analog input channels: 8 analog input channels in groups of 8; above +60 °C, a maximum of 4x ±20 mA or 4x ±10 V is permissible.
- Supported signal ranges: Supported ranges include 1 V to 5 V, -10 V to +10 V, -5 V to +5 V, 0 to 20 mA, -20 mA to +20 mA and 4 mA to 20 mA.
- Resolution and accuracy: Resolution with overrange is 16 bit. Accuracy is 0.3%; linearity error is 0.02% relative to the input range.
- Diagnostics and status: The module has diagnostics, diagnostic and limit value alarms, wire-break detection for 1 … 5 V and 4 … 20 mA, overflow/underflow detection, and RUN, ERROR, PWR and channel LEDs.
- Supply and electrical data: Rated supply voltage is 24 V DC, with a permissible range of 19.2 V to 28.8 V. Maximum current consumption is 240 mA with 24 V DC supply; power consumption from the backplane bus is 1.15 W.
- Installation and environmental data: Dimensions are 35 mm wide, 147 mm high and 129 mm deep; approximate weight is 300 g. Horizontal installation permits -40 °C to 70 °C, with +85 °C for 10 minutes under OT4, ST1/ST2 conditions.
Frequently Asked Questions
1. How many analog inputs does the Siemens 6AG2531-7NF10-4AB0 have?
It has 8 analog input channels in groups of 8. Above +60 °C, a maximum of 4x ±20 mA or 4x ±10 V is permissible.
2. Which signal ranges does this analog input module support?
It supports 1 V to 5 V, -10 V to +10 V, -5 V to +5 V, 0 to 20 mA, -20 mA to +20 mA and 4 mA to 20 mA.
3. What supply voltage does the module require?
The rated supply voltage is 24 V DC, with a permissible range of 19.2 V to 28.8 V.
4. What diagnostics are available?
Diagnostics include diagnostic and limit value alarms, supply-voltage monitoring, wire-break detection for 1 … 5 V and 4 … 20 mA, overflow/underflow detection, and status LEDs.
