Siemens 6ES7288-3AE08-0AA0 Eight-Channel Analog Input Module
Eight differential voltage-or-current inputs with paired mode selection for SIMATIC S7-200 SMART measurement systems.
Product Overview
Siemens 6ES7288-3AE08-0AA0 is the SIMATIC S7-200 SMART EM AE08 analog input expansion module. It provides eight differential channels whose voltage-or-current modes are selected in groups of two.
The AE08 has a different channel count and electrical input impedance from the AE04. A replacement decision therefore requires the exact module label, paired channel configuration and loop documentation.
Technical Data
Functions
Eight-channel density
Four configurable pairs place eight differential measurement loops in one SMART expansion position.
Configurable filtering
Smoothing and noise-rejection settings can be matched to the documented measurement application.
Diagnostic visibility
Overflow, underflow and low 24 V DC conditions are available for project and maintenance handling.
Differential terminal plan
Each loop retains a dedicated positive and negative input path through the specified gold connectors.
Applications
Multi-loop process monitoring using supported voltage or current transmitters.
Machine panels that require eight differential analog measurement channels.
Expansion or replacement where four pair-mode settings and loop scales are documented.
Service Planning
Project capture
Export all eight scales, pair modes, smoothing and noise-rejection settings.
Loop review
Record transmitter wiring, field power, grounding, shield routing and common-mode conditions.
Controlled transfer
Transfer one documented pair at a time using the specified gold connectors.
Acceptance
Simulate each loop, confirm engineering units and prove diagnostics and alarm actions.
Related Models
FAQ
Can 6ES7288-3AE08-0AA0 replace an AE04 without project changes?
Do not assume so. The channel count, terminal plan and published input impedance differ, so wiring and configuration require review.
How are voltage and current modes assigned on 6ES7288-3AE08-0AA0?
The eight channels are configured as four pairs; each pair assignment should be documented before conductor transfer.
Why should grounding be reviewed for 6ES7288-3AE08-0AA0?
The inputs are differential but not isolated from logic, so reference potential and common-mode conditions remain installation concerns.
What evidence should accompany a 6ES7288-3AE08-0AA0 enquiry?
Provide the complete label, eight-channel schedule, pair modes, ranges, transmitter power, connector photos and project version.
What acceptance test is appropriate for 6ES7288-3AE08-0AA0?
Inject controlled values into all eight channels and verify scaling, pair configuration, diagnostic response and associated alarms.
