Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Module type | SB 1231, AI 1×12 bit |
| Analog inputs | 1; Current or voltage differential inputs |
| Voltage input ranges | ±10 V, ±5 V, ±2.5 V |
| Current input range | 0 to 20 mA |
| Rated supply voltage | 24 V |
| Cycle time, max. | 156.25 μs; 400 Hz suppression |
| Resolution with overrange, max. | 11 bit; + sign |
| Input resistance | ≥9 MOhm for voltage ranges; ≥ 250 Ohm for 0 to 20 mA |
Applications
- Analog signal acquisition: Acquires current or voltage differential input signals through 1 analog input.
Key Features
- Analog input type: SB 1231, AI 1×12 bit with 1 current or voltage differential input.
- Supported input ranges: Voltage: ±10 V, ±5 V, and ±2.5 V. Current: 0 to 20 mA.
- Supply and power: Rated supply voltage: 24 V DC. Input current from backplane bus 5 V DC, typ.: 55 mA. Power loss, typ.: 0.4 W.
- Conversion and resolution: Cycle time for all channels, max.: 156.25 μs; 400 Hz suppression. Resolution with overrange, max.: 11 bit; + sign.
- Diagnostics and signal processing: Parameterizable integration time and measured-value smoothing with None, low, Medium, and High steps. Alarms, diagnostic function, diagnostic alarm, and input-status LED are available.
Frequently Asked Questions
1. How many analog inputs does Siemens 6ES7231-4HA30-0XB0 have?
It has 1 current or voltage differential analog input.
2. Which signal ranges does this analog input support?
It supports ±10 V, ±5 V, ±2.5 V, and 0 to 20 mA input ranges.
3. What are the resolution and maximum cycle time?
The product has 12 bit designation resolution; resolution with overrange is max. 11 bit with + sign, and cycle time for all channels is max. 156.25 μs with 400 Hz suppression.
4. What supply voltage does the module require?
The rated supply voltage is 24 V DC.
