Product information
Overview
Key Features
- Analog input capacity: Has 1 analog input for current or voltage differential signals and 0 analog outputs.
- Supported input ranges: Voltage ranges: ±10 V, ±5 V and ±2.5 V; current range: 0 to 20 mA.
- Supply and power: Rated supply value: 24 V DC. Typical backplane-bus input current is 55 mA at 5 V DC; typical power loss is 0.4 W.
- Conversion performance: Maximum cycle time for all channels is 156.25 μs with 400 Hz suppression. Resolution with overrange is maximum 11 bit, including sign.
- Signal processing: Has parameterizable integration time and measured-value smoothing with None, low, Medium and High steps.
- Diagnostics and connection: Supports alarms, diagnostic functions and input-status and maintenance LEDs. Shielded twisted-pair cable length is maximum 100 m.
Technical Summary
| Product type designation | SB 1231, AI 1×12 bit |
|---|---|
| Analog inputs | 1; Current or voltage differential inputs |
| Rated supply voltage | 24 V DC |
| Voltage input ranges | ±10 V, ±5 V and ±2.5 V |
| Current input range | 0 to 20 mA |
| Cycle time, all channels, max. | 156.25 μs; 400 Hz suppression |
| Resolution with overrange, max. | 11 bit; + sign |
| Input resistance, voltage ranges | ≥9 MOhm |
| Input resistance, 0 to 20 mA | ≥ 250 Ohm |
| Typical power loss | 0.4 W |
Frequently Asked Questions
What is the exact product type of Siemens 6ES7231-4HA30-0XB0?
It is an SB 1231 analog input module with 1×12-bit AI.
Which signals can the 6ES7231-4HA30-0XB0 accept?
It accepts current or voltage differential inputs: ±10 V, ±5 V, ±2.5 V and 0 to 20 mA.
What supply voltage does this analog input module use?
The rated supply value is 24 V DC.
What cable length is supported?
Shielded twisted-pair cable is supported up to 100 m.
