PRODUCT DESCRIPTION
MITSUBISHI SD-T20 DC24V - Safety Controller Unit
The MITSUBISHI SD-T20 DC24V is a dedicated safety controller unit from the MELSEC SD series, designed for the monitoring and control of critical safety functions in industrial automation. This device processes safety input signals from emergency stop buttons, safety gates, and light curtains, executing configurable safety logic to manage machine safe states. It is engineered for applications requiring compliance with international safety standards, including ISO 13849-1 and IEC 62061.
Technical Specifications:
- SERIES/FAMILY: MELSEC SD Series
- COMPONENT TYPE: Safety Controller Unit
- ELECTRICAL SPECS:
- NOMINAL VOLTAGE: 24VDC
- POWER CONSUMPTION: 3.5W (typical for base unit)
- SAFETY INPUTS: 2 dual-channel inputs
- SAFETY OUTPUTS: 2 OSSD outputs
- AUXILIARY OUTPUTS: 1 transistor output
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Compact DIN rail module
- MOUNTING: 35mm DIN rail
- INTERFACE/CONTROL:
- INPUT SIGNAL TYPE: PNP/NPN compatible, short-circuit monitoring
- OUTPUT SIGNAL TYPE: OSSD (Output Signal Switching Device) for safety outputs, transistor for auxiliary
- CONFIGURATION: Via dedicated software (e.g., SD Configurator)
- DIAGNOSTICS: Front panel LED indicators for power, input status, output status, and error conditions
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- COOLING METHOD: Natural convection
- OPERATING TEMPERATURE: 0 to 55 degrees Celsius
- STORAGE TEMPERATURE: -20 to 75 degrees Celsius
- COMPATIBILITY/APPLICATION:
- Emergency stop systems
- Safety gate and interlock monitoring
- Light curtain and area scanner integration
- Two-hand control applications
- Machinery requiring Performance Level (PL) up to e and Safety Integrity Level (SIL) up to 3 according to ISO 13849-1 and IEC 62061.