6ES7223-1BH32-0XB0 Digital I/O Module Siemens

Siemens SIMATIC S7-1200 SM 1223 Digital I/O Module

The Siemens 6ES7223-1BH32-0XB0 provides balanced digital input and output expansion for S7-1200 controllers. This SM 1223 module offers eight 24V DC inputs and eight transistor outputs in a compact design. It delivers reliable I/O expansion for applications requiring additional digital signal handling.

Key Technical Specifications

• Brand: Siemens
• Model: 6ES7223-1BH32-0XB0
• Product Type: SIMATIC S7-1200 Digital I/O SM 1223
• Module Type: Digital Input/Output Expansion Module
• Supply Voltage: 24 V DC (20.4-28.8 V DC)
• Digital Inputs: 8 points, 24V DC, sink/source
• Digital Outputs: 8 points, transistor, 0.5A
• Power Consumption: Typical 2.5 W

Digital Input Specifications

• Eight digital inputs with 24V DC compatibility
• Sink/source input configuration for flexibility
• Input delay configurable from 0.2 ms to 12.8 ms
• Signal "0": 5 V DC at 1 mA maximum
• Signal "1": 15 V DC at 2.5 mA minimum
• Input current: 4 mA typical at signal "1"

Digital Output Specifications

• Eight transistor outputs with 0.5A capacity
• Output delay: 50 µs (0 to 1), 200 µs (1 to 0)
• Output voltage: 24 V DC rated value
• Signal "1": minimum 20 V DC
• Signal "0": maximum 0.1 V with 10 kΩ load
• Total current: 4 A maximum per group

Electrical Characteristics

• Backplane bus consumption: 145 mA maximum at 5 V DC
• Load voltage L+ consumption: 4 mA per channel maximum
• Output residual current: 10 µA maximum at signal "0"
• Lamp load capacity: 5 W maximum per output
• Resistive load capacity: 0.5 A maximum per output

Physical Specifications and Installation

• Compact dimensions: 45 x 100 x 75 mm (W x H x D)
• Package size: 4.25 x 3.47 x 2.24 inches
• Lightweight design: 0.432 lb (approximately 210 g)
• Front connector required for installation
• IP20 protection for industrial environments

Operating Conditions and Compliance

• Operating temperature: -20 °C to 60 °C horizontal
• Storage temperature: -40 °C to 70 °C
• Relative humidity: 95% maximum without condensation
• Vibration and shock resistant construction
• Multiple certifications: UL, cULus, FM, CE, RCM, KC, Marine

Wiring and Connectivity

• Shielded cable length: 500 m maximum
• Unshielded cable length: 300 m inputs, 150 m outputs
• Inputs grouped in pairs for potential separation
• Outputs individually isolated
• 500 V AC separation between channels and backplane bus

Diagnostic and Status Features

• Diagnostic alarm capability for fault detection
• Status LEDs for each input and output channel
• Real-time monitoring of all I/O points
• Easy troubleshooting with visual indicators
• Comprehensive system integration

Frequently Asked Questions

• What type of outputs does this module have?
  It features eight solid-state transistor outputs with 0.5A capacity.
• Can I use this with any S7-1200 CPU?
  Yes, it is compatible with all SIMATIC S7-1200 CPU models.
• What is the maximum output current?
  Each output provides 0.5A with 4A total current per group.
• Does it require external short-circuit protection?
  Yes, external short-circuit protection must be provided for outputs.

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