Siemens 6ES7214-1BD23-0XB0 CPU 224 AC/DC/Relay 14DI/10DO
Introduction:
Compact CPU 224 unit with AC power supply. 14 DI and 10 relay outputs. 12KB program memory. PROFIBUS DP expandable.
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Product Overview
CPU Design and Power Supply
The Siemens 6ES7214-1BD23-0XB0 is a SIMATIC S7-200 CPU 224 compact unit. Therefore, this PLC features an AC power supply for flexible installation. The unit includes 14 digital inputs (DC) and 10 relay outputs. Consequently, the 6ES7214-1BD23-0XB0 suits small to medium automation applications. The compact design integrates CPU, power supply, and I/O in one housing.
Memory and Processing Performance
The 6ES7214-1BD23-0XB0 offers 12 KB of program memory and 8 KB of data memory. Therefore, it handles complex control tasks efficiently. The bit operation processing time reaches a maximum of 0.22 µs. Consequently, the CPU responds quickly to input changes. An optional memory module provides additional storage capacity.
Communication and Expansion Capabilities
The CPU supports MPI, PPI, and serial data exchange protocols. Therefore, transmission rates range from 19.2 kbit/s to 187.5 kbit/s. The 6ES7214-1BD23-0XB0 is PROFIBUS DP extendable for distributed I/O. Consequently, you can connect up to 7 expansion devices. The system supports 168 maximum digital I/O points and 35 analog I/O points.
Technical Specifications
General Specifications
Manufacturer: Siemens
Part Number: 6ES7214-1BD23-0XB0
Series: SIMATIC S7-200
Product Type: CPU 224 Compact Unit
Protection Class: IP20
Weight: 410 g
Dimensions: 120.5 x 80 x 62 mm (Width x Height x Depth)
Power Supply Specifications
Supply Voltage (AC):
Rated Value: 120/230 V AC
Permissible Range Lower Limit: 5 V
Permissible Range Upper Limit: 250 V
Permissible Frequency Range: 47 Hz to 63 Hz
Inrush Current Maximum: 20 A
Current Consumption (L1): 200 mA maximum
Load Voltage (L+ - DC):
Rated Value: 24 V DC
Permissible Range Lower Limit: 5 V
Permissible Range Upper Limit: 30 V
Memory Specifications
Program Memory: 12 KB maximum
Data Memory: 8 KB maximum
Backup: Present (battery backup)
Backup Time: 100 hours maximum
Memory Modules: 1 optional
Processing Times
Bit Operations: 0.22 µs maximum
Counters and Timers
| Component | Specification |
|---|---|
| S7 Counters | 256 (retentive adjustable 1-256) |
| Counting Range | 0 to 32767 |
| S7 Timers | 256 (retentive up to 64) |
| Time Range | 1 ms to 54 minutes |
Data Areas
Flag Memory: 32 bytes maximum
Retentivity: Available
Hardware Expansion
Expansion Devices Maximum: 7
Digital I/O Maximum: 168 points
Analog I/O Maximum: 35 points
AS-Interface I/O Maximum: 62 points
Digital Input Specifications
The 6ES7214-1BD23-0XB0 includes 14 digital inputs.
| Parameter | Specification |
|---|---|
| Number of Inputs | 14 |
| Input Voltage (Rated) | 24 V DC |
| Input Current (Typical) | 2.5 mA |
| Input Delay (Min) | 0.2 ms |
| Input Delay (Max) | 12.8 ms |
| Parameterizable | Yes |
| Cable Length Shielded (Max) | 500 m |
| Cable Length Unshielded (Max) | 300 m |
Digital Output Specifications
The CPU includes 10 relay outputs.
| Parameter | Specification |
|---|---|
| Number of Outputs | 10 |
| Output Type | Relay |
| Switching Capacity (Resistive) | 2 A maximum |
| Switching Capacity (Lamp) | 200 W maximum |
| Output Delay (0 to 1) | 10 ms maximum |
| Output Delay (1 to 0) | 10 ms maximum |
| Operating Cycles | 10,000,000 maximum |
| Short-Circuit Protection | No |
| Total Current per Group (40°C) | 10 A maximum |
| Total Current per Group (55°C) | 10 A maximum |
Encoder and Sensor Specifications
Connectable 2-Wire Sensors: Yes
Permissible Quiescent Current: 1 mA maximum
Analog Potentiometers: 2
Integrated Functions
Counters: 6 (counting frequency 30 kHz maximum)
Alarm Inputs: 4
Communication Specifications
The Siemens 6ES7214-1BD23-0XB0 supports multiple protocols.
| Parameter | Specification |
|---|---|
| MPI | Yes |
| PPI | Yes |
| Serial Data Exchange | Yes |
| Transmission Rate (Min) | 19.2 kbit/s |
| Transmission Rate (Max) | 187.5 kbit/s |
| PROFIBUS DP | Extendable |
Galvanic Isolation
Digital Inputs (Between Channels): Yes
Digital Outputs (Between Channels): Yes
Environmental Conditions
| Parameter | Specification |
|---|---|
| Operating Temperature (Horizontal, Min) | 0°C |
| Operating Temperature (Horizontal, Max) | 55°C |
| Operating Temperature (Vertical, Max) | 45°C |
| Air Pressure (Min) | 860 hPa |
| Air Pressure (Max) | 1080 hPa |
| Relative Humidity (Min) | 5% |
| Relative Humidity (Max) | 95% |
Programming Specifications
Programming Languages: LAD, FBD, STL
Number of Subroutines Maximum: 64
Know-How Protection: User program protection and password protection
Connector Type: Plug-in I/O terminals
Installation Guide
Follow these steps to install the Siemens 6ES7214-1BD23-0XB0 correctly.
Mount CPU: First, secure the 6ES7214-1BD23-0XB0 to DIN rail or panel.
Connect Power: Next, wire 120/230 V AC to the L1 and N terminals.
Wire Inputs: Then, connect field devices to the 14 digital input terminals.
Wire Outputs: After that, connect loads to the 10 relay output terminals.
Connect Communication: Meanwhile, attach MPI or PPI cables to the port.
Download Program: Finally, transfer your control program to the CPU.
The 6ES7214-1BD23-0XB0 requires proper ventilation for reliable operation. Therefore, maintain horizontal installation up to 55°C or vertical up to 45°C. In addition, use shielded cables for runs exceeding 300 meters. Consequently, proper installation ensures long CPU life and stable control performance.
Package List
The package includes the following physical items.
Siemens 6ES7214-1BD23-0XB0 CPU 224 compact unit (1 piece)
Removable I/O terminal blocks (installed)
Product label with part number and specifications
Anti-static protective bag for safe transport
Note: Programming software and communication cables are not included. Memory modules are sold separately. No battery is provided with this CPU.
Frequently Asked Questions (FAQ)
1. What is the program memory size of the 6ES7214-1BD23-0XB0?
The Siemens 6ES7214-1BD23-0XB0 offers 12 KB of program memory and 8 KB of data memory. Therefore, it handles moderate-sized automation applications efficiently. An optional memory module provides additional backup. Consequently, this CPU suits small to medium control systems.
2. What are the I/O counts on the CPU 224?
The Siemens 6ES7214-1BD23-0XB0 includes 14 digital inputs and 10 relay outputs. Therefore, the integrated I/O covers many basic control requirements. The system expands up to 168 digital I/O and 35 analog I/O points. Consequently, you can add up to 7 expansion modules for larger applications.
3. What power supply does the 6ES7214-1BD23-0XB0 require?
The Siemens 6ES7214-1BD23-0XB0 requires 120/230 V AC power input. Therefore, it operates on standard industrial mains power. The load voltage for outputs is 24 V DC. Consequently, you need both AC mains and a 24 V DC supply for full operation.
4. What is the maximum output current on this CPU?
Each relay output on the Siemens 6ES7214-1BD23-0XB0 handles up to 2 A resistive load. Therefore, you can drive small solenoids, contactors, and indicator lamps directly. The total current per group is 10 A maximum. Consequently, do not exceed 10 A total for all outputs combined.
5. What communication protocols does the CPU 224 support?
The Siemens 6ES7214-1BD23-0XB0 supports MPI, PPI, and serial data exchange. Therefore, transmission rates range from 19.2 to 187.5 kbit/s. The unit is PROFIBUS DP extendable for distributed networks. Consequently, you can integrate this CPU into larger automation systems.
6. What is the counting frequency on the 6ES7214-1BD23-0XB0?
The Siemens 6ES7214-1BD23-0XB0 features 6 integrated counters. The maximum counting frequency is 30 kHz. Therefore, the CPU handles high-speed counting applications. In addition, 4 alarm inputs are available. Consequently, the unit suits positioning and flow metering tasks.
7. What is the operating temperature range of this CPU?
The Siemens 6ES7214-1BD23-0XB0 operates from 0°C to 55°C horizontally. For vertical mounting, the maximum temperature is 45°C. Therefore, install the CPU in a well-ventilated cabinet. Humidity tolerance ranges from 5% to 95% non-condensing. Consequently, the unit suits most industrial environments.
Related Accessories
Enhance your SIMATIC S7-200 system with these compatible parts.
Expansion Module: Siemens 6ES7221-1BF22-0XA0 for additional digital inputs
Memory Module: Siemens 6ES7291-8GF23-0XA0 for program backup
Programming Cable: Siemens 6ES7901-3DB30-0XA0 for PC connection
STEP 7 Software: Siemens 6ES7810-2CC03-0YX7 for programming
Battery: Siemens 6ES7291-8BA20-0XA0 for data retention
Always use genuine Siemens components with the 6ES7214-1BD23-0XB0. Therefore, third-party modules may cause compatibility or performance issues. In addition, verify power supply ratings before installation. Consequently, using authentic parts ensures optimal CPU performance and system reliability.