Key Features
- Analog input module for SIMATIC S7-1500: AI 16xI BA with 16 analog inputs for current measurement.
- 16-bit resolution and 0.5% accuracy: Resolution with overrange is 16 bit and the current relative error limit is 0.5%.
- Diagnostics and hardware interrupts: Includes diagnostics function, diagnostic alarm, limit value alarm, and hardware interrupts.
- Connection and installation items included: Delivery includes the infeed element, shield bracket, and shield terminal.
- Front connector ordered separately: The front connector is available with screw terminals or push-in and is ordered separately.
Applications
- Current signal acquisition: For measuring current signals on 16 analog input channels.
- 2-wire current transducer input: For current measurement as 2-wire transducer with external supply.
- 4-wire current transducer input: For current measurement as 4-wire transducer.
- Diagnostic and limit-value monitoring: For diagnostic alarms, limit value alarms, and hardware interrupts on analog input channels.
Technical Summary
| Product type designation | AI 16xI BA |
|---|---|
| Number of analog inputs | 16 |
| Resolution with overrange (bit including sign), max. | 16 bit |
| Current, relative to input range, (+/-) | 0.5 % |
| Power consumption from the backplane bus | 0.85 W |
| Power loss, typ. | 1.2 W |
| Current consumption, max. | 0 mA |
| Address space per module Inputs | 32 byte |
| STEP 7 TIA Portal configurable/integrated from version | V16 with HSP 312 / V17 |
| PROFINET from GSD version/GSD revision | V2.3 / – |
| Common mode voltage, max. | 4 V DC |
Frequently Asked Questions
What is the Siemens 6ES7531-7MH00-0AB0 used for?
It is an SIMATIC S7-1500 analog input module, AI 16xI BA, for current measurement on 16 channels.
How many analog inputs does AI 16xI BA have?
It has 16 analog inputs.
What resolution and accuracy does the module provide?
It provides 16-bit resolution with overrange and 0.5% current accuracy relative to the input range.
Which connection and engineering details matter for selection?
The module supports current measurement as a 2-wire transducer with external supply and as a 4-wire transducer. It is configurable in STEP 7 TIA Portal from V16 with HSP 312 / V17 and supports PROFINET from GSD version V2.3 / -.