Description
The Siemens 6ES7321-1FH00-4AA1 and 6ES7322-1BH01-4AA1 are high-performance I/O modules from the renowned SIMATIC S7-300 series. The 6ES7321-1FH00-4AA1 is a 16-channel digital input module designed for 120/230V AC signals, featuring photoelectric isolation for reliable performance in industrial environments. The 6ES7322-1BH01-4AA1 is a 16-channel digital output module with relay outputs, supporting both AC and DC load voltages, making it highly versatile for controlling various actuators. Both modules are built to withstand harsh industrial conditions and are essential for expanding the I/O capabilities of S7-300 PLC systems.
Key Features
- High Channel Count: 16 digital inputs (6ES7321) and 16 digital outputs (6ES7322)
- Wide Voltage Range: Input module supports 120/230V AC; Output module supports 24-120V DC / 24-230V AC
- Isolation: Photoelectric isolation between channels and backplane bus for safety
- Relay Outputs: 6ES7322 features relay contacts for flexible load control
- Status Indication: LED indicators for each channel for easy diagnostics
- Country of Origin: Germany
Technical Specifications
- Model: 6ES7321-1FH00-4AA1 (Digital Input) / 6ES7322-1BH01-4AA1 (Digital Output)
- Type: I/O Module
- Supply Voltage: 24V DC (Backplane)
- Input Voltage (6ES7321): 120/230V AC
- Output Type (6ES7322): Relay
- Load Voltage (6ES7322): 24-120V DC / 24-230V AC
- Number of Channels: 16
- Connection: Front connector (20-pin)
- Dimensions: 40 mm x 125 mm x 120 mm (W x H x D)
- Weight: approx. 190 g
- Protection Class: IP20
- Standards: CE, UL, cULus, RoHS compliant
Warranty & After-Sales
- Factory new units: 12 months warranty
- Refurbished units: 3-6 months warranty
- Technical support for configuration and installation
- Wiring and mounting assistance
- Compatibility verification with existing S7-300 systems
- Commissioning and diagnostics support available
Delivery Time
- Standard delivery: 3-5 working days
- Express shipping available upon request
Why Choose Our Store
- Genuine Siemens components
- Global supply network with competitive pricing
- Expertise in industrial automation systems
- Comprehensive technical documentation
- Responsive customer service and support
Applications
- Automated Production Lines: For sensor input and actuator control
- Material Handling: Conveyor system control and monitoring
- Packaging Machinery: Input for limit switches and output for solenoids
- Process Control: Monitoring of high-voltage signals and control of motors
- Building Automation: Control of lighting and HVAC systems
- Machine Safety: Inputs from safety devices and outputs to safety relays
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