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Home>SIEMENS>Siemens 6ES7288-2DE08-0AA0 / 6ES7288-2DE16-0AA0 | S7-200 SMART DE08 / DE16 Input Modules
Siemens 6ES7288-2DE08-0AA0 / 6ES7288-2DE16-0AA0 | S7-200 SMART DE08 / DE16 Input Modules

Siemens 6ES7288-2DE08-0AA0 / 6ES7288-2DE16-0AA0 | S7-200 SMART DE08 / DE16 Input Modules Item NO.: 2926369

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Product Name Siemens 6ES7288-2DE08-0AA0 / 6ES7288-2DE16-0AA0 | S7-200 SMART DE08 / DE16 Input Modules
Item NO. 2926369
Weight 0.1 kg = 0.2205 lb = 3.5274 oz
Category SIEMENS
Brand SIEMENS
Creation Time 2026-10-23

Siemens 6ES7288-2DE08-0AA0 / 6ES7288-2DE16-0AA0 | S7-200 SMART DE08 / DE16 Input Modules

Siemens · SIMATIC S7-200 SMART

Siemens 6ES7288-2DE08-0AA0 / 6ES7288-2DE16-0AA0 | S7-200 SMART DE08 / DE16 Input Modules

SECTION 01

Product Overview

Siemens 6ES7288-2DE08-0AA0 / 6ES7288-2DE16-0AA0 are SIMATIC S7-200 SMART digital input expansion modules with eight or sixteen 24 V DC channels. Both accept sink or source field arrangements and transfer the input states to a compatible S7-200 SMART CPU through the expansion bus.

The channel density changes the isolation layout on Siemens 6ES7288-2DE08-0AA0 / 6ES7288-2DE16-0AA0. DE08 uses two four-point input groups, while DE16 uses four four-point groups; every group has its own M reference and selectable filter setting.

A logic 1 on Siemens 6ES7288-2DE08-0AA0 / 6ES7288-2DE16-0AA0 begins at 15 V DC and 2.5 mA, while logic 0 is at or below 5 V DC and 1 mA. Filter choices from 0.2 to 12.8 ms allow fast response or greater noise rejection to be selected in groups of four inputs.

SECTION 02

Product Data

Technical dossier 6ES7288-2DE08-0AA0 6ES7288-2DE16-0AA0
Brand Siemens
Product Type EM DE08 digital input module EM DE16 digital input module
Brand Country Germany
Dimensions (W × H × D) 45 × 100 × 81 mm
Weight 141.4 g 176 g
Power Dissipation 1.5 W 2.3 W
Signal-Module Bus Current 105 mA
Digital Inputs 8 16
Input Type Sink / source; IEC Type 1 sink
Nominal Input 24 V DC at 4 mA
Logic 1 / Logic 0 ≥15 V at 2.5 mA / ≤5 V at 1 mA
Isolation Groups 2 4
Field-to-Logic Isolation 500 V AC for 1 minute
Selectable Filters 0.2, 0.4, 0.8, 1.6, 3.2, 6.4, 12.8 ms
Maximum Cable Length 500 m shielded; 300 m unshielded
SECTION 03

Product Functions

Siemens 6ES7288-2DE08-0AA0 / 6ES7288-2DE16-0AA0 convert field contact or sensor voltages into digital process-image states.

Dual wiring polarity›Defined switching thresholds›Full simultaneous input set
01

Dual wiring polarity

The sink/source input circuit supports either compatible field-device arrangement when M and the input supply are referenced correctly.

02

Defined switching thresholds

Voltages are evaluated against the published logic-1 and logic-0 limits instead of treating any nonzero value as an active state.

03

Full simultaneous input set

All eight or sixteen channels may be on together when field current and wiring conditions remain within the module data.

SECTION 04

Operating Characteristics

Siemens 6ES7288-2DE08-0AA0 / 6ES7288-2DE16-0AA0 apply one selected delay to each four-input group so response and noise rejection stay coordinated.

01

Fast event setting

A 0.2 ms selection suits clean signals that must reach the CPU with minimal input delay.

02

Noise-rejection setting

Longer selections up to 12.8 ms suppress short disturbances before they enter the process image.

03

Group-level consequence

Changing one filter setting affects all four inputs in that group, so fast counters and noisy contacts should not be mixed casually.

SECTION 05

Questions About This Product

Why do field sensors stay off on Siemens 6ES7288-2DE08-0AA0 / 6ES7288-2DE16-0AA0 even though 24 V is present?

Check the sink/source wiring and the group M reference on Siemens 6ES7288-2DE08-0AA0 / 6ES7288-2DE16-0AA0. Measuring 24 V to an unrelated reference does not prove that current can flow through the input and its correct common.

How can contact bounce be reduced on Siemens 6ES7288-2DE08-0AA0 / 6ES7288-2DE16-0AA0 without hiding valid events?

Select the shortest filter that removes the observed disturbance on Siemens 6ES7288-2DE08-0AA0 / 6ES7288-2DE16-0AA0 and test all four inputs in that filter group. A long delay may stabilize a contact but can also mask a short legitimate pulse.

Why does changing one input filter affect several channels on Siemens 6ES7288-2DE08-0AA0 / 6ES7288-2DE16-0AA0?

Filters on Siemens 6ES7288-2DE08-0AA0 / 6ES7288-2DE16-0AA0 are selected in four-channel groups, not independently per point. Place signals with similar timing needs in the same group or rearrange the field assignments.

What changes when Siemens 6ES7288-2DE08-0AA0 is replaced by 6ES7288-2DE16-0AA0?

The Siemens 6ES7288-2DE08-0AA0 / 6ES7288-2DE16-0AA0 pair shares width and input characteristics, but DE16 doubles the inputs and isolation groups and uses additional connectors and addresses. Update the hardware configuration and terminal plan before moving wires.

Why does a long input cable cause unstable states on Siemens 6ES7288-2DE08-0AA0 / 6ES7288-2DE16-0AA0?

For Siemens 6ES7288-2DE08-0AA0 / 6ES7288-2DE16-0AA0, compare actual length and shielding with the 500 m shielded or 300 m unshielded limits and route away from interference sources. Also confirm the 24 V level still reaches the logic-1 threshold at the module.

How should several simultaneous false inputs be traced on Siemens 6ES7288-2DE08-0AA0 / 6ES7288-2DE16-0AA0?

Start with the shared M reference, field supply and connector for the affected group on Siemens 6ES7288-2DE08-0AA0 / 6ES7288-2DE16-0AA0. Multiple points changing together more often indicates a common wiring or noise path than several unrelated sensors failing at once.

SECTION 06

Customer Support

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Questions about a Siemens CPU or expansion module can stay in the same enquiry record as available diagrams, photos and commercial notes, reducing ambiguity when details are reviewed.

Exact productFull model recorded
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SECTION 08

Contact Information

Moore Automation

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