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6ES7521-7EH00-0AB0 Siemens
Original price
$0.00
-
Original price
$2,204.88
Original price
$2,204.88
$0.00
-
$2,204.88
Current price
$2,204.88
Trusted By
Product Details
Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.
Product Overview
The Siemens 6ES7521-7EH00-0AB0 is a SIMATIC S7-1500 series digital input module (DI 16x 24…125 V UC HF). It provides 16 channels, grouped individually, for sensing AC or DC field signals within automation systems. In a control environment, it plugs into the S7-1500 rack to expand discrete input capacity, offering diagnostics, hardware interrupt support, and configurable input functions in accordance with IEC 61131-type 3. Typical applications include factory automation, machinery control, and distributed input consolidation.
Best Suited For
- Adding discrete input capacity to S7-1500 systems
- Applications requiring IEC 61131 type 3 digital signal diagnosis
- Projects needing hardware interrupt integration
- Modular automation mezzanine expansion
Channels
16 digital inputs
Input voltage (DC)
24 V; 48 V; 125 V
Power consumption (backplane)
1.2 W
Typical power loss
2.2 W at 24 V DC; 6.0 W at 125 V AC
Input delay
0.05…20 ms
Technical Specifications
I/O & Electrical
Number of digital inputs
16
Configurable inputs (sourcing/sinking)
Yes
IEC 61131 type
Type 3
Rated input voltage (DC)
24 V; 48 V; 125 V
Rated input voltage (AC)
24 V; 48 V; 125 V (50 - 60 Hz)
Signal voltage '0'
-5 … +5 V
Signal voltage '1'
+11 V DC to +146 V DC
Input delay
0.05 … 20 ms
Communication & Power
Power consumption (backplane)
1.2 W
Power loss, typical
2.2 W at 24 V DC; 6.0 W at 125 V AC
Physical & Environmental
Front connector
To be ordered separately (screw terminals or push-in)
