Two analog inputs
6ES7288-3AM03-0AA0: aI 0 and AI 1 accept differential voltage or current signals within the selected range. The channel assignment remains part of the commissioning record.
6ES7288-3AM03-0AA0
Siemens · SIMATIC S7-200 SMART expansion I/O
Siemens 6ES7288-3AM03-0AA0 | SIMATIC S7-200 SMART EM AM03 analog I/O module
6ES7288-3AM03-0AA0 · SIMATIC S7-200 SMART EM AM03 analog I/O module
01
Model Overview
SIMATIC S7-200 SMART expansion I/OSiemens 6ES7288-3AM03-0AA0 is the EM AM03 mixed analog expansion module for the SIMATIC S7-200 SMART system. It adds two differential analog inputs and one analog output, allowing the CPU to collect two field measurements while sending one configured analog command from the same compact expansion position.
On Siemens 6ES7288-3AM03-0AA0, X10 carries the 24 V DC supply and functional earth, X11 carries the AI 0 and AI 1 differential pairs, and X12 carries AQ 0M and AQ 0. Keeping those connector groups separate makes the field wiring legible when voltage and current channels share the module.
The two input channels support selectable ±10 V, ±5 V, ±2.5 V or 0–20 mA ranges, while AQ 0 is configured for ±10 V or 4–20 mA. Siemens 6ES7288-3AM03-0AA0 therefore needs both the electrical range and the channel polarity recorded with the S7-200 SMART project before values are scaled in software.
02
Technical Specifications
Exact model configuration| Technical Item | 6ES7288-3AM03-0AA0 |
|---|---|
| Brand | Siemens |
| Product name | SIMATIC S7-200 SMART EM AM03 analog I/O module |
| Country | China |
| System family | SIMATIC S7-200 SMART expansion I/O |
| Module designation | EM AM03, AI 2 × 12 bit, AQ 1 × 11 bit |
| Analog inputs | 2 differential channels |
| Input ranges | ±10 V, ±5 V, ±2.5 V or 0–20 mA |
| Analog outputs | 1 channel; ±10 V or 4–20 mA |
| Input resolution | 12 bit with overrange |
| Output resolution | 11 bit |
| Power dissipation | 1.1 W typical, no load |
| SM bus current | 60 mA |
| 24 V DC current | 30 mA no load; 50 mA at 20 mA load per channel |
| Supply | 24 V DC |
| Dimensions | 45 × 100 × 81 mm |
| Weight | 172 g |
| Connector layout | X10 supply/earth; X11 inputs; X12 output |
| Order code meaning | 3AM03 identifies the S7-200 SMART mixed analog 2AI/1AO module; 0AA0 is the exact article suffix |
03
Product Functions
SIMATIC S7-200 SMART EM AM03 analog I/O moduleThe Siemens 6ES7288-3AM03-0AA0 combines analog acquisition and one analog command channel in the same expansion position. This detail belongs to the selected configuration and should not be inferred from the base family alone.
One analog output
6ES7288-3AM03-0AA0: aQ 0 provides the configured analog output for the controlled field device. The receiving circuit must match this output execution.
Conversion resolution
6ES7288-3AM03-0AA0: the input conversion uses up to 12 bits with overrange; the output uses the module's 11-bit analog output resolution. This detail belongs to the selected configuration and should not be inferred from the base family alone.
04
System Integration
SIMATIC S7-200 SMART expansion I/OThe terminal arrangement of Siemens 6ES7288-3AM03-0AA0 determines how the module joins the S7-200 SMART bus and field wiring. This detail belongs to the selected configuration and should not be inferred from the base family alone.
Supply and earth
6ES7288-3AM03-0AA0: x10 carries L+, M and functional earth for the 24 V DC module supply. This detail belongs to the selected configuration and should not be inferred from the base family alone.
Input connector
6ES7288-3AM03-0AA0: x11 carries AI 0+ / AI 0− and AI 1+ / AI 1− as differential channels. The channel assignment remains part of the commissioning record.
Output connector
6ES7288-3AM03-0AA0: x12 carries AQ 0M and AQ 0; the gold terminal connectors and shield routing remain part of the installation record. The receiving circuit must match this output execution.
05
Frequently Asked Questions
Questions tied to the exact modelWhy does Siemens 6ES7288-3AM03-0AA0 need separate input wiring?
Siemens 6ES7288-3AM03-0AA0 uses differential AI 0 and AI 1 pairs on X11, so each signal source needs its positive and negative conductors rather than a single-ended wire assumed from the module name.
What does the 3AM03 code mean on Siemens 6ES7288-3AM03-0AA0?
On Siemens 6ES7288-3AM03-0AA0, AM03 identifies the mixed analog expansion function with two analog inputs and one analog output; the 0AA0 suffix preserves the exact article record.
Which field signal ranges can Siemens 6ES7288-3AM03-0AA0 accept?
Siemens 6ES7288-3AM03-0AA0 accepts the configured ±10 V, ±5 V, ±2.5 V or 0–20 mA input range; the channel group must be configured to match the connected transmitter.
Where is the analog command wired on Siemens 6ES7288-3AM03-0AA0?
The AQ 0 output is on X12 at AQ 0M and AQ 0. The receiving actuator or drive must use the selected output range and common reference.
What supply and size should be reserved for Siemens 6ES7288-3AM03-0AA0?
Provide the 24 V DC module supply and allow approximately 45 × 100 × 81 mm for Siemens 6ES7288-3AM03-0AA0, plus terminal and cable clearance.
How can an analog value appear incorrect on Siemens 6ES7288-3AM03-0AA0?
Check the selected voltage/current range, differential polarity, X10 earth reference and the configured channel group before changing the program scaling.
06
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For older equipment, the original model string and technical record remain the starting point for a controlled sourcing conversation. The exact record remains 6ES7288-3AM03-0AA0.
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07
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| Bently Nevada330101-00-08-05-02-05 | Vibro-MeterMPC4 200-510-076-114 | Woodward9907-173 |
| Siemens6ES7288-2DT32-0AA0 | ABBCI871AK01 | Allen-Bradley1734-VHSC24 |
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| Triconex4610X | HIMAF30 | FoxboroFBM247 |
| Bently Nevada330101-00-08-10-02-00 | Vibro-MeterMPC4 200-510-078-115 | Woodward8237-2596 |
| Siemens6ES7288-2QR16-0AA0 | ABBTU810V1 | Allen-Bradley1734-SSI |
| HoneywellCC-PAIL51 | YokogawaAAV144-SK0 | EmersonKJ3002X1-BC1 |
| Triconex4701X | HIMAF60 | FoxboroRH927BN |
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