An eight-channel differential analog-input module that doubles AI04 channel density while retaining pair-wise voltage/current configuration.
Brand:
SIEMENSItem NO.:
6ES7288-3AE08-0AA0Part Number:
6ES7288-3AE08-0AA0Weight:
186 gDimensions:
45 × 100 × 81 mmCertification:
CE; IP20Description:
An eight-channel differential analog-input module that doubles AI04 channel density while retaining pair-wise voltage/current configuration.Siemens identifies 6ES7288-3AE08-0AA0 as the SIMATIC S7-200 SMART SM AI08 / AI 8 × Voltage or Current. An eight-channel differential analog-input module that doubles AI04 channel density while retaining pair-wise voltage/current configuration.
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Use the exact Siemens order number and verify the system constraints before procurement.
Record each signal range, polarity and whether it is voltage or current.
Place channels in compatible pairs before setting the hardware parameters.
Balance response time against mains-frequency and process-noise suppression.
Because the channels are not galvanically isolated, follow Siemens common-mode and shield guidance.
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Specialist brandAnswers below use Siemens official product documentation for this exact order number.
SM AI08 provides eight differential analog inputs.
The official ranges are ±10 V, ±5 V, ±2.5 V and 0–20 mA. Siemens product text also references 0/4–20 mA use.
Voltage or current mode is selected in four groups of two channels.
Siemens describes 11 bits plus sign for voltage using a 12-bit ADC and 11-bit current conversion.
It is at least 9 MΩ for voltage input and 250 Ω for current input.
No. The official system manual lists no galvanic isolation between the analog field side and logic.
Siemens lists 70 mA at 24 V DC with no load and 80 mA from the SM bus.
The module measures 45 × 100 × 81 mm, weighs 186 g and has 2.0 W power consumption.
Software, licensing, controller, interface, shield and power-supply references.
Internal cable references for 40-channel input and output connections to field termination assemblies.
I/O Companion Slot to FTA · 2.5 m
I/O Companion Slot to FTA · 4.5 m
I/O Companion Slot to FTA · 6.5 m
I/O Companion Slot to FTA · 8.5 m
I/O Companion Slot to FTA · 10.5 m
I/O Companion Slot to FTA · 12.5 m
I/O Companion Slot to FTA · 4.5 m
I/O Companion Slot to FTA · 6.5 m
I/O Companion Slot to FTA · 8.5 m
Use the verified electrical and system limits—not generic family assumptions—to decide suitability.
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