Key Features
- 8-channel analog input module: 8 analog inputs for voltage and current measurement.
- AI 8xU/I HF type: Product type designation: AI 8xU/I HF.
- Up to 24 bit resolution: Resolution with overrange (bit including sign), max.: 24 bit.
- Diagnostics and alarms: Diagnostics function: Yes. Diagnostic alarm: Yes. Limit value alarm: Yes.
- Field wiring to order separately: Delivery includes the infeed element, shield bracket, and shield terminal. Front connector (screw terminals or push-in) to be ordered separately.
Applications
- Analog voltage signal acquisition: For voltage measurement with 8 channels.
- Analog current signal acquisition: For current measurement with 8 channels, including 4 mA to 20 mA signals.
- Module engineering in STEP 7 TIA Portal: Configuring and integrating the module in STEP 7 TIA Portal from version V14 / -.
Technical Summary
| Product type designation | AI 8xU/I HF |
|---|---|
| Firmware version | V1.1.0 |
| Supply voltage, rated value (DC) | 24 V |
| Number of analog inputs | 8 |
| Input ranges (rated values), currents | 4 mA to 20 mA |
| Input ranges (rated values), voltages | -10 V to +10 V |
| Resolution with overrange (bit including sign), max. | 24 bit |
| Integration time (ms) | Fast mode: 2.5 / 16.67 / 20 / 100 ms, standard mode: 7.5 / 50 / 60 / 300 ms |
| Diagnostics function | Yes |
| Engineering with STEP 7 TIA Portal configurable/integrated from version | V14 / – |
| Engineering with PROFINET from GSD version/GSD revision | V2.3 / – |
| Common mode voltage, max. | 60 V DC/30 V AC |
Frequently Asked Questions
What is Siemens 6ES7531-7NF00-0AB0 used for?
It is an SIMATIC S7-1500 analog input module AI 8xU/I HF for voltage and current measurement.
How many analog inputs does 6ES7531-7NF00-0AB0 have?
It has 8 analog inputs.
What voltage and current ranges are supported by this module?
Supported ranges include -10 V to +10 V for voltage and 4 mA to 20 mA for current.
What are the key selection details for engineering this module?
STEP 7 TIA Portal configurable/integrated from version V14 / -, and PROFINET from GSD version/revision V2.3 / -.
What is included with delivery, and what must be ordered separately?
Delivery includes the infeed element, shield bracket, and shield terminal. The front connector with screw terminals or push-in must be ordered separately.
