Technical Summary
| Product type designation | AI 8xU/R/RTD/TC HF |
|---|---|
| Product lifecycle | Active Product |
| Number of analog inputs | 8; Plus one additional RTD (reference) channel |
| Resolution | 16 bit |
| Resolution with overrange (bit including sign), max. | 21 bit; For measuring mode RTC and TC when using the function "Scalable temperature measuring range" (32 bit REAL format); 16 bit for measuring mode R and U; 16 bit for all measuring modes when using the S7 format (16 bit INTEGER) |
| Supply voltage, rated value (DC) | 24 V |
| Supply voltage, permissible range | 19.2 V to 28.8 V |
| Current consumption, max. | 55 mA; with 19.2 V supply |
| Power consumption from the backplane bus | 0.85 W |
| Interfaces and engineering | PROFIBUS from GSD version/GSD revision V1.0 / V5.1; PROFINET from GSD version/GSD revision V2.3 / – |
| Front connector | screw terminals or push-in |
Applications
Analog input task for voltage, resistance, RTD, and thermocouple measurement signals.
Connection for RTD and thermocouple temperature measurement, including scalable temperature measuring range and calibration in RUN.
Key Features
AI 8xU/R/RTD/TC HF for the SIMATIC S7-1500 range.
8 channels in groups of 1, with one additional RTD reference channel.
Up to 21 bit resolution at RT and TC.
Diagnostics function, diagnostic alarm, limit value alarm, and hardware interrupts.
Rated value 24 V DC, front connector ordered separately, and delivery including infeed element, shield bracket, and shield terminal.
Product lifecycle: Active Product.
Frequently Asked Questions
What is Siemens 6ES7531-7PF00-0AB0?
It is a SIMATIC S7-1500 analog input module AI 8xU/R/RTD/TC HF.
How many analog inputs does 6ES7531-7PF00-0AB0 have?
It has 8 analog inputs, plus one additional RTD reference channel.
What are the supply requirements for this module?
Rated supply voltage is 24 V DC, with a permissible range of 19.2 V to 28.8 V.
Which interfaces and engineering support are listed for 6ES7531-7PF00-0AB0?
Engineering support is listed for STEP 7 TIA Portal from V14 and STEP 7 from V5.5 SP3, with PROFIBUS and PROFINET GSD support.
What lifecycle status is supplied for this Siemens module?
Product lifecycle: Active Product.
