Technical Summary
| Product type designation | AI 8xU/R/RTD/TC HF |
|---|---|
| Product lifecycle | Active Product |
| Firmware version | V1.1.0 |
| Firmware update possible | Yes |
| Supply voltage, rated value (DC) | 24 V |
| Supply voltage, permissible range, lower limit (DC) | 19.2 V |
| Supply voltage, permissible range, upper limit (DC) | 28.8 V |
| Number of analog inputs | 8; Plus one additional RTD (reference) channel |
| 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) |
| Input space per module | 18 byte |
| Common mode voltage, max. | 60 V DC/30 V AC |
| Diagnostics function | Yes |
Key Features
SIMATIC S7-1500 analog input module
AI 8xU/R/RTD/TC HF for the SIMATIC S7-1500 family.
AI 8xU/R/RTD/TC HF for the SIMATIC S7-1500 family.
8 input channels
8 channels in groups of 1, with one additional RTD reference channel.
8 channels in groups of 1, with one additional RTD reference channel.
Measurement support
For voltage, resistance/resistance thermometer, and thermocouple measurement.
For voltage, resistance/resistance thermometer, and thermocouple measurement.
High-resolution measurement
16 bit resolution, up to 21 bit resolution at RT and TC.
16 bit resolution, up to 21 bit resolution at RT and TC.
Diagnostics and interrupts
Diagnostics and hardware interrupts are supported.
Diagnostics and hardware interrupts are supported.
Installation and ordering detail
Front connector with screw terminals or push-in to be ordered separately; delivery includes infeed element, shield bracket, and shield terminal.
Front connector with screw terminals or push-in to be ordered separately; delivery includes infeed element, shield bracket, and shield terminal.
Applications
Analog signal acquisition
Analog input for voltage, resistance/resistance thermometer, and thermocouple signals.
Analog input for voltage, resistance/resistance thermometer, and thermocouple signals.
Temperature measurement with RTD and TC
Temperature measurement with RTD and thermocouple inputs, including scalable temperature measuring range and thermocouple type C.
Temperature measurement with RTD and thermocouple inputs, including scalable temperature measuring range and thermocouple type C.
Frequently Asked Questions
What is Siemens 6ES7531-7PF00-0AB0?
It is an 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 supply voltage does this module use?
Rated supply voltage is 24 V DC, with a permissible range from 19.2 V to 28.8 V DC.
Which measurement types are supported by 6ES7531-7PF00-0AB0?
It supports voltage, resistance/resistance thermometer, and thermocouple measurement.
What installation detail should be checked before ordering 6ES7531-7PF00-0AB0?
The front connector with screw terminals or push-in has to be ordered separately.
