SIMATIC S7-1500, analog input module AI 16xU BA, 16-bit resolution accuracy 0.5%, 16 channels in groups of 16, common mode voltage 4 V DC, diagnostics, hardware interrupts; delivery including infeed element, shield bracket and shield terminal: front connector (screw terminals or push-in) to be ordered separately
Product Type: Industrial Automation Component
General
| Article number |
6ES7531-7LH00-0AB0 |
General information
| Product type designation |
AI 16xU BA |
| HW functional status |
from FS01 |
| Firmware version |
V1.0.0 |
| ● FW update possible |
Yes |
Product function
| ● I&M data |
Yes; I&M0 to I&M3 |
| ● Isochronous mode |
No |
| ● Prioritized startup |
No |
| ● Measuring range scalable |
No |
| ● Scalable measured values |
No |
| ● Adjustment of measuring range |
No |
Engineering with
| ● STEP 7 TIA Portal configurable/integrated from version |
V16 with HSP 312 / V17 |
| ● STEP 7 configurable/integrated from version |
V5.5 SP3 / - |
| ● PROFIBUS from GSD version/GSD revision |
V1.0 / V5.1 |
| ● PROFINET from GSD version/GSD revision |
V2.3 / - |
Operating mode
| ● Oversampling |
No |
| ● MSI |
Yes |
CiR - Configuration in RUN
| Reparameterization possible in RUN |
Yes |
| Calibration possible in RUN |
No |
Input current
| Current consumption, max. |
0 mA |
Power
| Power consumption from the backplane bus |
0.85 W |
Power loss
Address space per module
| ● Inputs |
32 byte |
| ● Outputs |
0 byte |
Analog inputs
| Number of analog inputs |
16 |
| ● For voltage measurement |
16 |
| permissible input voltage for voltage input (destruction limit), max. |
12 V; 12 V continuous, 30 V for max. 1 s |
| Analog input with oversampling |
No |
| Standardization of measured values |
No |
Input ranges (rated values), voltages
| ● 0 to +5 V |
No |
| ● 0 to +10 V |
No |
| ● 1 V to 5 V |
Yes |
| — Input resistance (1 V to 5 V) |
10 MΩ |
| ● -1 V to +1 V |
Yes |
| — Input resistance (-1 V to +1 V) |
10 MΩ |
| ● -10 V to +10 V |
Yes |
| — Input resistance (-10 V to +10 V) |
10 MΩ |
| ● -2.5 V to +2.5 V |
No |
| ● -25 mV to +25 mV |
No |
| ● -250 mV to +250 mV |
No |
| ● -5 V to +5 V |
Yes |
| — Input resistance (-5 V to +5 V) |
10 MΩ |
| ● -50 mV to +50 mV |
No |
| ● -500 mV to +500 mV |
No |
| ● -80 mV to +80 mV |
No |
Cable length
Analog value generation for the inputs
| Measurement principle |
integrating |
Integration and conversion time/resolution per channel
| ● Resolution with overrange (bit including sign), max. |
16 bit |
| ● Integration time, parameterizable |
Yes |
| ● Integration time (ms) |
2,5 / 16,67 / 20 / 100 ms |
| ● Basic conversion time, including integration time (ms) |
10 / 24 / 27 / 107 ms |
| — additional conversion time for wire-break monitoring |
4 ms (to be considered for 1 to 5 V measurement) |
| ● Interference voltage suppression for interference frequency f1 in Hz |
400 / 60 / 50 / 10 Hz |
Smoothing of measured values
| ● Number of smoothing levels |
4 |
| ● parameterizable |
Yes |
| ● Step: None |
Yes |
| ● Step: low |
Yes |
| ● Step: Medium |
Yes |
| ● Step: High |
Yes |
Connection of signal encoders
| ● for voltage measurement |
Yes |
| ● for current measurement as 2-wire transducer |
No |
| ● for current measurement as 4-wire transducer |
No |
| ● for resistance measurement with two-wire connection |
No |
| ● for resistance measurement with three-wire connection |
No |
| ● for resistance measurement with four-wire connection |
No |
Errors/accuracies
| Linearity error (relative to input range), (+/-) |
0.1 % |
| Temperature error (relative to input range), (+/-) |
0.006 %/K |
| Crosstalk between the inputs, max. |
-50 dB |
| Repeat accuracy in steady state at 25 °C (relative to input range), (+/-) |
0.1 % |
Operational error limit in overall temperature range
| ● Voltage, relative to input range, (+/-) |
0.5 % |
Basic error limit (operational limit at 25 °C)
| ● Voltage, relative to input range, (+/-) |
0.3 % |
Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency
| ● Series mode interference (peak value of interference < rated value of input range), min. |
40 dB |
| ● Common mode voltage, max. |
4 V |
| ● Common mode interference, min. |
60 dB |
Interrupts/diagnostics/status information
Alarms
| ● Diagnostic alarm |
Yes |
| ● Limit value alarm |
Yes; two upper and two lower limit values in each case |
Diagnoses
| ● Monitoring the supply voltage |
No |
| ● Wire break |
Yes; Only for 1 ... 5 V |
| ● Short-circuit |
No |
| ● Group error |
No |
| ● Overflow/Underflow |
Yes |
Diagnostics indication LED
| ● RUN LED |
Yes; green LED |
| ● ERROR LED |
Yes; red LED |
| ● MAINT LED |
No |
| ● Monitoring of the supply voltage (PWR-LED) |
No |
| ● Channel status display |
Yes; green LED |
| ● for channel diagnostics |
Yes; red LED |
| ● for module diagnostics |
Yes; red LED |
Potential separation channels
| ● between the channels |
No |
| ● between the channels, in groups of |
16 |
| ● between the channels and backplane bus |
Yes |
Permissible potential difference
| between the inputs (UCM) |
8 V DC |
| Between the inputs and MANA (UCM) |
4 V DC |
Isolation
| Isolation tested with |
707 V DC (type test) |
Standards, approvals, certificates
| Siemens Eco Profile (SEP) |
Siemens EcoTech |
| Suitable for applications according to AMS 2750 |
No |
| Suitable for applications according to CQI-9 |
No |
Ecological footprint
| ● environmental product declaration |
Yes |
Global warming potential
| — global warming potential, (total) [CO2 eq] |
38.6 kg |
| — global warming potential, (during production) [CO2 eq] |
14.4 kg |
| — global warming potential, (during operation) [CO2 eq] |
24.6 kg |
| — global warming potential, (after end of life cycle) [CO2 eq] |
-0.44 kg |
Security
| signed firmware update |
No |
| safely removing data |
No |
| data integrity |
No |
Ambient temperature during operation
| ● horizontal installation, min. |
-30 °C |
| ● horizontal installation, max. |
60 °C |
| ● vertical installation, min. |
-30 °C |
| ● vertical installation, max. |
40 °C |
Altitude during operation relating to sea level
| ● Installation altitude above sea level, max. |
5 000 m; Restrictions for installation altitudes > 2 000 m, see manual |
Absolute humidity
| ● dew point, min. |
-60 °C; suitable for dry room applications |
Dimensions
| Width |
35 mm |
| Height |
147 mm |
| Depth |
129 mm |
Weights
Classifications
| Version |
Classification |
| eClass |
16 |
| eClass |
14 |
| eClass |
12 |
| eClass |
9.1 |
| eClass |
9 |
| eClass |
8 |
| eClass |
7.1 |
| eClass |
6 |
| ETIM |
10 |
| ETIM |
9 |
| ETIM |
8 |
| ETIM |
7 |
| IDEA |
4 |
| UNSPSC |
15 |
General Product Approval
| EU declaration of conformity |
Yes |
| UK Declaration of Conformity |
Yes |
| Miscellaneous |
Yes |
| Manufacturer Declaration |
Yes |
| UL |
Yes |
| KC |
Yes |
| RCM |
Yes |
| EAC |
Yes |
| China RoHS |
Yes |
| Manufacturer Declaration |
Yes |
For use in hazardous locations
| UL |
Yes |
| FM |
Yes |
| CCC-Ex |
Yes |
| Miscellaneous |
Yes |
| ATEX |
Yes |
| Type Examination Certificate |
Yes |
| IECEx |
Yes |
| CCC-Ex |
Yes |
Maritime application
| ABS (American Bureau of Shipping) |
Yes |
| BV (Bureau Veritas) |
Yes |
| DNV (Det Norske Veritas) |
Yes |
| LR (Lloyds Register) |
Yes |
| NK / Nippon Kaiji Kyokai |
Yes |
| RINA (Registro Italiano Navale) |
Yes |
| CCS (China Classification Society) |
Yes |
| KR (Korean Register of Shipping) |
Yes |
Environment
| EPD Typ II/III (with life cylce assessment) |
Yes |
| Siemens EcoTech Profile (SEP) |
Yes |
| last modified: |
5/8/2026 |
Applications
This Industrial Automation Component is designed for industrial automation applications, offering reliable performance and compatibility with Siemens automation systems. Suitable for manufacturing, process control, and building automation environments.
