Siemens SIMATIC S7-1200 CPU 1214C DC/DC/DC – 6ES7214-1AG40-0XB0 The Siemens SIMATIC S7-1200 CPU 1214Cis a compact and versatile programmable logic controller (PLC) designed for a wide range of automation and control applications. With its integrated digital and analog I/O, high-speed performance, and communication flexibility, the 1214C is ideal for machine control, process automation, and industrial system monitoring. This model features DC power supply, DC digital inputs, and DC transistor outputs, making it suitable for fast-switching and precise control environments. It includes 14 digital inputs, 10 digital outputs, and 2 analog inputs, allowing direct connection of sensors, switches, and actuators without external modules. The built-in PROFINET interface enables seamless communication with HMIs, drives, and other automation devices, while the integrated web server provides easy remote diagnostics and monitoring. The CPU 1214C also supports ladder (LAD), function block (FBD), and structured text (SCL) programming through Siemens TIA Portal, ensuring a flexible and efficient engineering workflow.

• Technical Highlights:
1. Power Supply: 20.4–28.8 V DC
2. Digital Inputs: 14 × 24V DC
3. Digital Outputs: 10 × 24V DC (transistor type)
4. Analog Inputs: 2 × 0–10V
5. Integrated PROFINET port for communication and programming
6. Memory: 100 KB program, 4 MB load memory
7. Cycle time: ~0.08 µs per bit operation
8. Dimensions: 110 × 100 × 75 mm
9. Mounting: DIN rail
10. Protection class: IP20

The SIMATIC S7-1200 1214C combines rperformance, scalability, and reliability in one compact unit — making it the preferred choice for engineers and system integrators seeking a modern, cost-effective PLC for industrial automation.

Siemens SIMATIC S7-1200 SM 1221 Digital Input Module – 8×24V DC (6ES7221-1BF32-0XB0) The Siemens SIMATIC S7-1200 SM 1221 DI 8x24V DC is a compact digital input module designed to expand the input capacity of Siemens S7-1200 programmable logic controllers. It provides 8 optically isolated digital inputs, each operating at 24 V DC, making it ideal for reliable signal acquisition from industrial sensors, switches, and field devices. Engineered for robust performance and easy installation, the SM 1221 module ensures high signal integrity and fast response times for accurate process monitoring and control. Its modular design allows seamless mechanical and electrical integration with the S7-1200 CPU and other I/O modules on the DIN rail — without additional wiring complexity. The module’s LED status indicators provide quick diagnostics of input signal states, simplifying commissioning and maintenance. Built to Siemens’ industrial quality standards, the SM 1221 is well-suited for use in rfactory automation, machine building, and process applications.

• Technical Specifications:
1. Product Code: 6ES7 221-1BF32-0XB0
2. Number of Inputs: 8 × 24 V DC (sink/source)
3. Input Type: Digital, optically isolated
4. Input Delay: 3.2 ms typical
5. Current per Input: 3 mA at 24 V DC
6. Isolation: 500 V between groups and backplane bus
7. Mounting: DIN rail
8. Protection Class: IP20
9. Power Supply: Via backplane bus from S7-1200 CPU
10. Operating Temperature: –20 °C to +60 °C
11. Dimensions (W×H×D): 45 × 100 × 75 mm

With its compact footprint and reliable performance, the SM 1221 DI 8x24V DC module is an essential component for expanding digital input capacity in SIMATIC S7-1200 automation systems, ensuring flexible and scalable control solutions for modern industrial environments.

GE F650 Digital Bay Controller – Model F650BEFFGH1H1E The GE Multilin F650 Digital Bay Controller is an advanced protection and control IED designed for medium- and high-voltage substations . Engineered by GE Power Management S.L., Spain, the F650 provides integrated protection, control, automation, metering, and monitoring for feeders, transformers, and circuit breakers in transmission and distribution systems. This relay features modular hardware architecture and programmable logic , allowing complete flexibility for system customization. It supports a wide range of IEC and IEEE protection functions, including overcurrent, breaker failure, reclosing, and interlocking schemes. Its robust design ensures reliable operation even under severe electrical and environmental conditions. With dual Ethernet communication ports (E1M1, E1M2) supporting 10/100 Mbps UTP, the F650 enables high-speed data exchange and easy integration into SCADA, DCS, and substation automation systems via standard communication protocols such as IEC 61850, DNP3, and Modbus TCP/IP.

• Technical Specifications:
1. Power Supply: 110–250V AC/DC
2. Analog Inputs: Voltage up to 275 VAC, Current up to 5 Aac
3. Protection and Control: Feeder, transformer, and bay control functions
4. Event & Fault Recording: High-resolution oscillography and sequence of events logging
5. Communication: Dual Ethernet ports, serial interfaces, multi-protocol support
6. Certifications: CE, UL, EAC compliant
7. Manufacturing Date: June 6, 2019
8. Country of Origin: Spain

The GE F650 is a trusted choice for utilities and industrial facilities requiring precise, dependable, and network-integrated protection. Its proven performance and communication flexibility make it a key component for modern digital substations.