Technical Summary
| Product type designation | SB 1231, AI 4x 14 bit |
|---|---|
| Number of analog inputs | 4; Current or voltage differential inputs |
| Input resolution | 14 bit ADC |
| Voltage input ranges | ±10 V, ±5 V, ±2.5 V |
| 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 |
| Current consumption from backplane bus 5 V DC | 28 mA |
| Typical power loss | 1.4 W |
| Cycle time (all channels) max. | 0.625 ms; at 400 Hz rejection |
| Shielded cable, max. | 100 m; shielded, twisted pair |
Key Features
SB 1231 analog input module for the SIMATIC S7-1200 G2 family.
Provides 4 x AI with current or voltage differential inputs.
Analog input conversion uses 14 bit ADC.
Supports +/-10 V, +/-5 V, +/-2.5 V, 0-20 mA, and 4-20 mA input ranges.
Includes diagnostics function, diagnostic alarm, DIAG LED, monitoring of the supply voltage, and wire break detection.
Applications
Measures voltage or current analog signals through 4 input channels.
Frequently Asked Questions
What is the exact product designation of 6ES7231-4HD50-0XB0?
It is SB 1231, AI 4x 14 bit for SIMATIC S7-1200 G2.
How many analog inputs does 6ES7231-4HD50-0XB0 provide?
It provides 4 analog inputs.
Which input ranges are supported by this SB 1231 module?
It supports +/-10 V, +/-5 V, +/-2.5 V, 0-20 mA, and 4-20 mA.
What supply voltage does 6ES7231-4HD50-0XB0 use?
Rated value (DC) is 24 V, with a permissible range of 20.4 V to 28.8 V.
Which diagnostics functions are available on this analog input module?
It includes diagnostics function, diagnostic alarm, monitoring the supply voltage, wire break detection, and DIAG LED indication.
