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Home>SIEMENS>Siemens 6ES7288-2DT16-0AA0 / 6ES7288-2DT32-0AA0 | S7-200 SMART DT16 / DT32 Digital I/O Modules
Siemens 6ES7288-2DT16-0AA0 / 6ES7288-2DT32-0AA0 | S7-200 SMART DT16 / DT32 Digital I/O Modules

Siemens 6ES7288-2DT16-0AA0 / 6ES7288-2DT32-0AA0 | S7-200 SMART DT16 / DT32 Digital I/O Modules Item NO.: 2926372

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Product Name Siemens 6ES7288-2DT16-0AA0 / 6ES7288-2DT32-0AA0 | S7-200 SMART DT16 / DT32 Digital I/O Modules
Item NO. 2926372
Weight 0.1 kg = 0.2205 lb = 3.5274 oz
Category SIEMENS
Brand SIEMENS
Creation Time 2026-10-23

Siemens 6ES7288-2DT16-0AA0 / 6ES7288-2DT32-0AA0 | S7-200 SMART DT16 / DT32 Digital I/O Modules

Siemens · SIMATIC S7-200 SMART

Siemens 6ES7288-2DT16-0AA0 / 6ES7288-2DT32-0AA0 | S7-200 SMART DT16 / DT32 Digital I/O Modules

SECTION 01

Product Introduction

Siemens 6ES7288-2DT16-0AA0 / 6ES7288-2DT32-0AA0 are SIMATIC S7-200 SMART mixed digital modules with 24 V DC inputs and sourcing transistor outputs. DT16 adds eight inputs and eight outputs in a 45 mm body; DT32 doubles both channel sets in a 70 mm body.

Input circuits on Siemens 6ES7288-2DT16-0AA0 / 6ES7288-2DT32-0AA0 accept sink or source field devices, provide selectable filters in groups of four and isolate the field side from logic. The outputs use 20.4 to 28.8 V DC and switch in under 50 µs on and 200 µs off.

Output grouping distinguishes the two modules. Siemens 6ES7288-2DT16-0AA0 uses two commons limited to 3 A each, while Siemens 6ES7288-2DT32-0AA0 distributes sixteen outputs across three isolation groups and allows up to 6 A per common within individual point limits.

SECTION 02

Technical Information

Technical dossier 6ES7288-2DT16-0AA0 6ES7288-2DT32-0AA0
Brand Siemens
Product Type EM DT16 mixed digital I/O module EM DT32 mixed digital I/O module
Brand Country Germany
Dimensions (W × H × D) 45 × 100 × 81 mm 70 × 100 × 81 mm
Weight 179.7 g 257.3 g
Power Dissipation 2.5 W 4.5 W
Signal-Module Bus Current 145 mA 185 mA
Digital Inputs 8 16
Digital Outputs 8 sourcing MOSFET 16 sourcing MOSFET
Nominal Input 24 V DC at 4 mA
Output Supply 20.4 to 28.8 V DC
Output Current 0.75 A per point
Maximum per Common 3 A 6 A
Output Isolation Groups 2 3
Output Switching <50 µs on; <200 µs off
Maximum Output Cable 500 m shielded; 150 m unshielded
SECTION 03

Product Functions

Siemens 6ES7288-2DT16-0AA0 / 6ES7288-2DT32-0AA0 carry input states toward the CPU and return fast sourcing commands to DC loads through the same expansion module.

Input acquisition›Expansion-bus exchange›Sourcing load drive
01

Input acquisition

Eight or sixteen sink/source channels place 24 V DC field states into the assigned process-image addresses.

02

Expansion-bus exchange

The compatible CPU reads those states and sends output commands through the right-side module bus.

03

Sourcing load drive

The MOSFET stage applies positive DC to eight or sixteen loads whose return circuits are tied to the correct M reference.

SECTION 04

System Integration

Siemens 6ES7288-2DT16-0AA0 / 6ES7288-2DT32-0AA0 divide load current across defined commons so one supply path is not treated as an unlimited rail.

01

DT16 two-group plan

Each four-output group stays within its 3 A common limit while every point remains at or below 0.75 A.

02

DT32 three-group plan

Sixteen outputs are separated across three groups with the published 6 A common limit and connector allocation.

03

Field-supply separation

The 24 V output supply powers the loads; it is calculated independently from module-bus current and input sensing current.

SECTION 05

Frequently Asked Questions

Why does an output LED turn on but the load stay off on Siemens 6ES7288-2DT16-0AA0 / 6ES7288-2DT32-0AA0?

Verify the 20.4 to 28.8 V DC field supply, the correct L+/M pair and the load return on Siemens 6ES7288-2DT16-0AA0 / 6ES7288-2DT32-0AA0. The expansion bus carries the command but does not replace the field supply required by the sourcing output stage.

How can common overload be avoided on Siemens 6ES7288-2DT16-0AA0 / 6ES7288-2DT32-0AA0?

For Siemens 6ES7288-2DT16-0AA0 / 6ES7288-2DT32-0AA0, total the simultaneous load current by common as well as by point. Keep DT16 commons within 3 A and DT32 commons within 6 A while each channel remains at or below 0.75 A.

Why does Siemens 6ES7288-2DT16-0AA0 / 6ES7288-2DT32-0AA0 show several input changes when one field contact operates?

Inspect the shared input reference, cable routing and filter group on Siemens 6ES7288-2DT16-0AA0 / 6ES7288-2DT32-0AA0. Coupled interference or a loose M conductor can affect multiple points that share the same terminal group.

Can Siemens 6ES7288-2DT16-0AA0 / 6ES7288-2DT32-0AA0 switch AC loads directly?

No. The transistor outputs on Siemens 6ES7288-2DT16-0AA0 / 6ES7288-2DT32-0AA0 are sourcing 24 V DC circuits. Use an appropriate interposing device when the final load requires AC or exceeds the module voltage and current envelope.

Which engineering records need revision during a size change from Siemens 6ES7288-2DT16-0AA0 to 6ES7288-2DT32-0AA0?

Siemens 6ES7288-2DT16-0AA0 / 6ES7288-2DT32-0AA0 differ in width, address count, connectors, isolation groups and bus current. Update the project hardware and field terminal plan; do not move the wiring as though the larger module were the same pinout.

Why can a fast output on Siemens 6ES7288-2DT16-0AA0 / 6ES7288-2DT32-0AA0 become unreliable on a long cable?

Compare the output cable on Siemens 6ES7288-2DT16-0AA0 / 6ES7288-2DT32-0AA0 with the 500 m shielded or 150 m unshielded limit and consider load capacitance and switching frequency. A cable that carries static commands can behave differently during rapid transitions.

SECTION 06

Shipping Services

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SECTION 08

Contact & Enquiry

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