Key Features
- Analog input module: SB 1231 analog input module for SIMATIC S7-1200 G2.
- 4 analog inputs: Number of analog inputs: 4; Current or voltage differential inputs.
- 14 bit ADC: 4 x AI 14 bit ADC.
- Supported input ranges: Voltage: ±10 V, ±5 V, ±2.5 V; Current: 0 to 20 mA, 4 mA to 20 mA.
- Diagnostics functions: Diagnostics function, diagnostic alarm, monitoring the supply voltage, wire break, and DIAG LED for input status.
Applications
- Analog signal acquisition: For collecting 4 analog current or voltage differential input signals.
- Process signal measurement: For reading voltage signals at ±10 V, ±5 V, or ±2.5 V and current signals at 0-20 mA or 4-20 mA.
Technical Summary
| Product type designation | SB 1231, AI 4x 14 bit |
|---|---|
| Number of analog inputs | 4; Current or voltage differential inputs |
| Supported voltage input ranges | ±10 V, ±5 V, ±2.5 V |
| Supported current input ranges | 4 to 20 mA, 0 to 20 mA |
| Rated supply voltage (DC) | 24 V |
| Permissible supply voltage range (DC) | 20.4 V to 28.8 V |
| Typical current consumption | 30 mA |
| Backplane bus current consumption, typ. | 28 mA |
| Typical power loss | 1.4 W |
| Maximum cycle time for all channels | 0.625 ms; at 400 Hz rejection |
| Resolution with overrange | 13 bit; + sign |
Frequently Asked Questions
What is Siemens 6ES7231-4HD50-0XB0 used for?
It is an SB 1231 analog input module with 4 AI for SIMATIC S7-1200 G2.
How many analog inputs does 6ES7231-4HD50-0XB0 provide?
It provides 4 analog inputs with current or voltage differential inputs.
Which input ranges are supported by this module?
Voltage inputs: ±10 V, ±5 V, ±2.5 V. Current inputs: 0 to 20 mA and 4 to 20 mA.
What power supply does 6ES7231-4HD50-0XB0 require?
Rated supply voltage is 24 V DC, with a permissible range of 20.4 V to 28.8 V.
Which diagnostics functions are included?
It includes diagnostics function, diagnostic alarm, monitoring the supply voltage, wire break detection, and a DIAG LED for input status.
