Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | SM 1231, AI 8x 14 bit |
| Analog input channels | 8; current or voltage differential inputs |
| Voltage input ranges | -10 V to +10 V; -5 V to +5 V; -2.5 V to +2.5 V |
| Current input ranges | 0 to 20 mA; 4 mA to 20 mA |
| Rated supply voltage | 24 V DC |
| Permissible supply voltage | 20.4 V to 28.8 V DC |
| Resolution with overrange | 13 bit; + sign |
| Maximum cycle time | 1.25 ms for all channels at 400 Hz rejection |
| Diagnostics | Supply-voltage monitoring, wire-break detection, diagnostic alarm, and DIAG LED |
| Protection | IP20 |
Applications
- Analog signal acquisition: Acquires current and voltage signals through 8 differential analog inputs.
Key Features
- Analog input channels: 8 differential current or voltage inputs with 14-bit ADC.
- Supported signal ranges: Voltage: ±10 V, ±5 V, and ±2.5 V. Current: 0 to 20 mA and 4 to 20 mA.
- Supply voltage: Rated supply voltage: 24 V DC; permissible range: 20.4 V to 28.8 V DC.
- Conversion and timing: Maximum cycle time for all channels is 1.25 ms at 400 Hz rejection. Integration time is parameterizable.
- Diagnostics: Diagnostics function, diagnostic alarm, supply-voltage monitoring, wire-break detection, and DIAG LED are available.
- Protection and cable: IP20 protection. Shielded twisted-pair cable length is up to 100 m.
Frequently Asked Questions
1. How many analog inputs does the 6ES7231-4HF50-0XB0 have?
It has 8 differential current or voltage analog inputs.
2. Which signal ranges does this module support?
It supports -10 V to +10 V, -5 V to +5 V, -2.5 V to +2.5 V, 0 to 20 mA, and 4 mA to 20 mA.
3. What supply voltage does the module require?
The rated supply voltage is 24 V DC, with a permissible range of 20.4 V to 28.8 V DC.
4. What diagnostics are available?
It has supply-voltage monitoring, wire-break detection, diagnostic alarms, and a DIAG LED.
