Product Overview
Technical Summary
| Product type designation | SB 1231, AI 4x 14 bit |
|---|---|
| Analog inputs | 4; current or voltage differential inputs |
| Voltage input ranges | -10 V to +10 V; -5 V to +5 V; -2.5 V to +2.5 V |
| Current input ranges | 0 to 20 mA; 4 mA to 20 mA |
| Supply voltage, rated | 24 V DC |
| Permissible supply voltage | 20.4 V to 28.8 V DC |
| Cycle time, max. | 0.625 ms; at 400 Hz rejection |
| Resolution with overrange, max. | 13 bit; + sign |
| Input resistance, voltage | ≥1 MOhm |
| Input resistance, current | < 290 Ω, > 270 Ω |
| Protection and diagnostics | Diagnostics, supply-voltage monitoring, wire-break detection, and DIAG LED |
Key Features
- Product type designation: SB 1231, AI 4x 14 bit.
- Analog inputs: 4 current or voltage differential inputs with 14 bit ADC.
- Input ranges: Voltage: ±10 V, ±5 V, ±2.5 V. Current: 0 to 20 mA and 4 to 20 mA.
- Supply voltage: Rated value: 24 V DC; permissible range: 20.4 V to 28.8 V DC.
- Diagnostics and signal processing: Diagnostics, diagnostic alarm, supply-voltage monitoring, wire-break detection, DIAG LED, parameterizable integration time, and parameterizable smoothing.
Frequently Asked Questions
What product does 6ES7231-4HD50-0XB0 identify?
It identifies the Siemens SIMATIC S7-1200 G2 SB 1231 analog input module with 4 AI and 14 bit ADC.
Which specifications distinguish this exact code?
The supplied variant has 4 current or voltage differential inputs, voltage ranges of ±10 V, ±5 V, and ±2.5 V, and current ranges of 0 to 20 mA and 4 to 20 mA.
What code and nameplate details should be checked?
Check the complete order number 6ES7231-4HD50-0XB0 and the product type designation SB 1231, AI 4x 14 bit.
What information is needed for a quotation request?
Provide the required quantity and destination together with the complete order number.
