Product Overview
Technical Summary
| Product type designation | AI 8xU/R/RTD/TC HF |
|---|---|
| Product lifecycle | Active Product |
| Analog input channels | 8; Plus one additional RTD (reference) channel |
| Rated supply voltage | 24 V DC |
| Permissible supply voltage range | 19.2 V DC to 28.8 V DC |
| Resolution | 16 bit; up to 21 bit for RTC and TC measuring modes with scalable temperature measuring range |
| Input measurements | Voltage, resistance, resistance thermometer, and thermocouple |
| Supported thermocouple | Type C |
| Accuracy | 0.1% |
| Common mode voltage | 60 V DC/30 V AC |
| Firmware version | V1.1.0 |
| Front connector | Screw terminals or push-in; to be ordered separately |
Key Features
- Product designation: AI 8xU/R/RTD/TC HF analog input module for SIMATIC S7-1500.
- Channels and resolution: 8 analog input channels in groups of 1; 16-bit resolution, with up to 21-bit resolution for RT and TC measuring modes when using the scalable temperature measuring range.
- Supported measurements: Voltage, resistance, resistance thermometer, and thermocouple measurement; thermocouple type C is supported.
- Supply and protection: Rated supply voltage: 24 V DC; permissible range: 19.2 V DC to 28.8 V DC; reverse polarity protection: Yes.
- Diagnostics and interrupts: Diagnostics, diagnostic alarms, limit value alarms, hardware interrupts, wire-break monitoring for TC, R, and RTD, and overflow/underflow detection.
- Delivery and ordering: Delivery includes the infeed element, shield bracket, and shield terminal. The front connector with screw terminals or push-in must be ordered separately.
Frequently Asked Questions
What does Siemens order number 6ES7531-7PF00-0AB0 identify?
It identifies the SIMATIC S7-1500 AI 8xU/R/RTD/TC HF analog input module.
Which specifications should be checked to distinguish this MLFB?
Check the complete 6ES7531-7PF00-0AB0 code together with the AI 8xU/R/RTD/TC HF designation, 8 channels, 16-bit resolution, and supported measurement types.
What connector configuration is included with 6ES7531-7PF00-0AB0?
The delivery includes the infeed element, shield bracket, and shield terminal. The front connector with screw terminals or push-in is not included and must be ordered separately.
What details are needed for a quotation?
Provide the complete 6ES7531-7PF00-0AB0 order number, required quantity, and destination.
