1. General Specifications
Parameter Specification
Product Name ET 200SP DI 16x24VDC ST
Order Number 6ES7 521-1BH50-0AA0
Module Type 16-Channel Digital Input
Compatibility ET 200SP Distributed I/O System
Electrical Isolation Channel-to-channel and channel-to-backplane
2. Input Specifications
Parameter Specification
Number of Channels 16
Input Voltage 24V DC (nominal)
Input Range 15-30V DC
Input Current 2.5mA (typical)
Signal Delay 0.05-20ms (configurable)
Connection Technology Push-in spring terminal
3. Performance Characteristics
Parameter Specification
Update Time 1ms per module
Diagnostics Wire break, short circuit
Status Indication LED per channel
Hot Swapping Supported
4. Electrical Specifications
Parameter Specification
Power Supply 24V DC via BaseUnit
Power Consumption 1.1W (typical)
Current Consumption 45mA (24V DC)
Sensor Supply Not available
5. Mechanical Specifications
Parameter Specification
Dimensions (W×H×D) 30 × 126 × 117 mm
Weight 100g
Protection Class IP20
Mounting On standard BaseUnit
6. Environmental Conditions
Parameter Specification
Operating Temperature -20°C to +60°C
Storage Temperature -40°C to +85°C
Relative Humidity 5% to 95% (non-condensing)
7. Certifications
Standard Compliance
CE Yes
UL Yes
cULus Yes
RoHS Compliant
8. Software Integration
Parameter Specification
Engineering Software TIA Portal (V13 or later)
GSDML File Available
Diagnostic Capabilities Channel-level diagnostics
9. Ordering Information
Complete designation: 6ES7 521-1BH50-0AA0

Required BaseUnit: 6ES7 193-6BP00-0BA0

Package includes: Digital input module, documentation

10. Typical Applications
Machine-level signal acquisition

Process control systems

Packaging machinery

Material handling systems