Siemens SIMATIC S7-200 SMART Digital I/O Module
Model: 6ES7288-1ST40-0AA1

Key Specifications:
Module Type: 16-channel digital I/O (8DI/8DO)

Input Voltage (DI):

"1" Signal: 15-30V DC

"0" Signal: 0-5V DC

Output Type (DO): Relay (NO contact)

Rated Current: 2A (resistive load)

Max. Switching Voltage: 250V AC/30V DC

Isolation:

DI: 500V AC optical isolation

DO: Relay contact isolation

Electrical Characteristics:
Input Current (DI): ~3mA @ 24V DC

Switching Frequency (DO): ≤10 Hz (mechanical)

Power Consumption: ≤2W

Mechanical & Environmental:
Dimensions (W×H×D): 71 × 80 × 62 mm

Weight: ~200g

Protection Class: IP20 (for enclosure mounting)

Operating Temperature: 0 to 55°C

Humidity: ≤95% RH (non-condensing)

Compatibility:
Compatible with: S7-200 SMART PLCs

Connection: Removable screw terminal block

Certifications:
CE, UL, cUL

EMC: Complies with EN 61000-6-4

Key Features:
✔ Mixed I/O design (8 inputs + 8 relay outputs)
✔ LED status indicators per channel
✔ Plug-and-play installation
✔ Compact size for space-saving layouts

Typical Applications:
Small machine control systems

Lighting control

Simple automation tasks

Short Description:
Siemens S7-200 SMART 8DI/8DO Module *(6ES7288-1ST40-0AA1)*

8×24V DC inputs + 8×relay outputs (2A)

500V isolation, screw terminal connection

IP20, compact design (71×80×62mm)
*Ideal for basic control tasks in S7-200 SMART systems.*