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6ES7216-2BD23-0XB8

Siemens S7-200 SMART SR40 CPU
*(Model: 6ES7216-2BD23-0XB8)*

24DI/16DO Relay controller

30KB program / 20KB data memory

Ethernet+RS485 ports (MODBUS/TCP support)

85-264V AC power input

6 expansion slots

Compact all-in-one PLC for industrial control.

[15 words]

Key features:

0.15μs instruction speed

4x100kHz high-speed counters

MicroSD backup slot

-20°C to +60°C operation

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Siemens SIMATIC S7-200 SMART CPU Module
Model: 6ES7216-2BD23-0XB8

Key Specifications:
General:

CPU Type: SR40 (Standard Relay, 40 I/O)

Onboard I/O:

24 Digital Inputs (DI): 24V DC (sink/source)

16 Digital Outputs (DO): Relay (2A @ 250V AC/30V DC)

Program Memory: 30 KB

Data Memory: 20 KB

Expansion Capability: Up to 6 modules

Performance:

Execution Speed: 0.15 μs per Boolean instruction

Bit Memory: 256

Timers/Counters: 256 each

High-speed Counters: 4 (100 kHz)

Communication:

Ports:

1 × RS485 (PPI, USS, MODBUS RTU)

1 × Ethernet (10/100 Mbps, TCP/IP, S7 protocol)

Supported Protocols:

PPI (MPI)

USS

MODBUS RTU (Master/Slave)

TCP/IP

Power Supply:

Input Voltage: 85–264V AC (47–63 Hz)

Power Consumption: ≤15W

Mechanical & Environmental:

Dimensions (W×H×D): 125 × 100 × 81 mm

Weight: ~600g

Protection Class: IP20

Operating Temperature: 0 to 55°C

Humidity: ≤95% RH (non-condensing)

Certifications:
CE, UL, cUL

EMC: EN 61000-6-4

Key Features:
✔ Integrated Ethernet port for easy connectivity
✔ Relay outputs for flexible AC/DC load control
✔ Real-time clock (RTC) with battery backup
✔ MicroSD card slot for program backup/transfer

Typical Applications:
Small to medium automation systems

Machine control

Building automation

Short Description:
Siemens S7-200 SMART SR40 CPU *(6ES7216-2BD23-0XB8)*

24DI/16DO Relay, 30KB program memory

Ethernet + RS485, 6 expansion slots

85-264V AC input, IP20 protection
Versatile compact controller for industrial applications.

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