Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | SB 1231, AI 4x 14 bit |
| Analog inputs | 4; Current or voltage differential inputs |
| Voltage input ranges | ±10 V, ±5 V, ±2.5 V |
| Current input ranges | 0 to 20 mA, 4 to 20 mA |
| Resolution with overrange | 13 bit; + sign |
| Cycle time, max. | 0.625 ms; at 400 Hz rejection |
| Supply voltage, rated | 24 V DC |
| Supply voltage range | 20.4 V to 28.8 V DC |
| Diagnostics | Supply-voltage monitoring, wire break, diagnostic alarm and DIAG LED |
Applications
- Analog signal acquisition: Acquires current or voltage differential input signals through 4 analog input channels.
Key Features
- Analog input channels: 4 current or voltage differential inputs with 14 bit ADC.
- Supported input ranges: Voltage: ±10 V, ±5 V and ±2.5 V; current: 0 to 20 mA and 4 to 20 mA.
- Conversion timing: Maximum cycle time for all channels: 0.625 ms at 400 Hz rejection; integration time is parameterizable.
- Diagnostics: Diagnostics include supply-voltage monitoring, wire-break detection, diagnostic alarm and DIAG LED indication.
- Supply and consumption: Rated supply voltage: 24 V DC; permissible range: 20.4 V to 28.8 V; typical current consumption: 30 mA.
- Cable and dimensions: Maximum shielded cable length: 100 m with shielded, twisted pair; dimensions: 82.00 x 34.00 x 79.00 mm.
Frequently Asked Questions
1. How many analog inputs does the Siemens 6ES7231-4HD50-0XB0 have?
It has 4 current or voltage differential analog inputs.
2. Which signal ranges does this analog input module support?
It supports ±10 V, ±5 V, ±2.5 V, 0 to 20 mA and 4 to 20 mA.
3. What resolution and cycle time does it provide?
Resolution with overrange is 13 bit with + sign. The maximum cycle time for all channels is 0.625 ms at 400 Hz rejection.
4. What diagnostics are available?
It has supply-voltage monitoring, wire-break detection, diagnostic alarm, DIAG LED indication and input-status indication.
5. What supply voltage does it require?
The rated supply voltage is 24 V DC, with a permissible range of 20.4 V to 28.8 V DC.
