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Home>SIEMENS>Siemens 6ES7288-2DR32-0AA0 | S7-200 SMART DR32 Digital I/O Module
Siemens 6ES7288-2DR32-0AA0 | S7-200 SMART DR32 Digital I/O Module

Siemens 6ES7288-2DR32-0AA0 | S7-200 SMART DR32 Digital I/O Module Item NO.: 2926374

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Product Name Siemens 6ES7288-2DR32-0AA0 | S7-200 SMART DR32 Digital I/O Module
Item NO. 2926374
Weight 0.1 kg = 0.2205 lb = 3.5274 oz
Category SIEMENS
Brand SIEMENS
Creation Time 2026-10-23

Siemens 6ES7288-2DR32-0AA0 | S7-200 SMART DR32 Digital I/O Module

Siemens · SIMATIC S7-200 SMART

Siemens 6ES7288-2DR32-0AA0 | S7-200 SMART DR32 Digital I/O Module

SECTION 01

Model Information

Siemens 6ES7288-2DR32-0AA0 is a SIMATIC S7-200 SMART mixed digital expansion module with sixteen 24 V DC inputs and sixteen relay outputs. The 70 mm body combines field-state acquisition and dry-contact load switching in one expansion position.

Input channels on Siemens 6ES7288-2DR32-0AA0 support sink or source wiring and selectable filtering in four-point groups. Field-to-logic isolation is 500 V AC for one minute, and shielded normal-input cabling may extend to 500 m within the stated installation limits.

The sixteen outputs on Siemens 6ES7288-2DR32-0AA0 are divided into four relay commons. Each dry-contact point is rated to 2 A within an 8 A common limit and can switch an externally supplied 5 to 30 V DC or 5 to 250 V AC circuit; no electronic overload protection is built into the contacts.

SECTION 02

Technical Specifications

Technical dossier Confirmed model-specific values
Brand Siemens
Model 6ES7288-2DR32-0AA0
Product Name EM DR32 digital input / relay output module
Country Germany
Dimensions (W × H × D) 70 × 100 × 81 mm
Weight 295.4 g
Power Dissipation 10 W
Signal-Module Bus Current 180 mA
Digital Inputs 16 sink / source channels
Input Filter Choices 0.2 to 12.8 ms in groups of four
Relay Outputs 16 dry-contact channels
Relay Load Voltage 5–30 V DC or 5–250 V AC
Output Current 2 A per point; 8 A per common
Output Isolation Groups 4
Relay Switching Time 10 ms maximum
SECTION 03

Product Functions

Siemens 6ES7288-2DR32-0AA0 lets one expansion position receive sixteen digital states and return sixteen isolated relay commands.

Input-side sensing›Bus-side coordination›Relay-side switching
01

Input-side sensing

Four groups of 24 V DC inputs report field contacts and sensors to the compatible CPU process image.

02

Bus-side coordination

The CPU reads the input addresses and writes the output addresses across the same expansion-bus connection.

03

Relay-side switching

Four dry-contact groups switch external AC or DC supplies without tying those load voltages to the input circuits.

SECTION 04

Diagnostics and Protection

Siemens 6ES7288-2DR32-0AA0 relies on external circuit protection and load suppression because its output contacts do not include overload protection.

01

Inductive suppression

A correctly selected suppressor at each coil limits stored-energy voltage when the relay opens.

02

Branch protection

Field fuses or protective devices are sized for the conductor, load and contact ratings rather than the logic command alone.

03

Inrush assessment

Motor, lamp and contactor inrush is checked against contact and common limits because steady-state current does not describe every switching event.

SECTION 05

Common Product Questions

Why can Siemens 6ES7288-2DR32-0AA0 indicate an output while the field device remains unpowered?

Siemens 6ES7288-2DR32-0AA0 closes a dry relay contact but does not generate the external load voltage. Trace the selected 1L–4L common, field source, fuse, output terminal and return path before treating the module as failed.

How should mixed AC and DC loads be arranged on Siemens 6ES7288-2DR32-0AA0?

Assign loads to the four isolated relay groups on Siemens 6ES7288-2DR32-0AA0 and keep each common tied to one compatible external source. Do not mix unrelated voltage systems inside a common group, and preserve required separation in the panel.

Why do several inputs on Siemens 6ES7288-2DR32-0AA0 change together?

Check the 1M/2M references, connector seating and field supply of Siemens 6ES7288-2DR32-0AA0 before replacing sensors. Several points in one group moving together indicates a shared reference or interference path more often than independent field failures.

What causes short relay life on Siemens 6ES7288-2DR32-0AA0?

Frequent operation, excessive inrush and unsuppressed inductive energy reduce the electrical life of Siemens 6ES7288-2DR32-0AA0 contacts. Compare the actual load duty with the relay ratings and place suitable suppression and branch protection at the field circuit.

How can Siemens 6ES7288-2DR32-0AA0 be checked after a terminal connector is moved?

Use the exact X10–X13 pin table for Siemens 6ES7288-2DR32-0AA0 and verify input references, relay commons and output points one group at a time. A connector can seat correctly while still landing on a different function than the previous module layout.

Can Siemens 6ES7288-2DR32-0AA0 replace a transistor module used for rapid pulses?

No direct replacement should be assumed for Siemens 6ES7288-2DR32-0AA0 because its mechanical contacts switch in up to 10 ms and have finite operating life. A high-frequency or motion pulse function requires an appropriate transistor output resource.

SECTION 06

Service Support

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SECTION 08

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