Specifications

Technical specifications
DI 32x24VDC HF digital input module (6ES7521-1BL00-0AB0)
Manual, 04/2015, A5E03485935-AE
43
6ES7521-1BL00-0AB0
Interrupts/diagnostics/status information
Interrupts
Diagnostic interrupt
Yes
Hardware interrupt
Yes
Diagnostics alarms
Diagnostics
Yes
Monitoring of supply voltage
Yes
Wire break
Yes; to I < 350 µA
Short-circuit
No
Fuse blown
No
Diagnostics indicator LED
RUN LED
Yes; green LED
ERROR LED
Yes; red LED
Monitoring of the supply voltage (PWR LED)
Yes; green LED
Channel status display
Yes; green LED
For channel diagnostics
Yes; red LED
For module diagnostics
Yes; red LED
Electrical isolation
Electrical isolation of channels
Between the channels
Yes
Between the channels, in groups of
16
Between the channels and the backplane bus
Yes
Between the channels and the supply
voltage of
the electronics
No
Permitted potential difference
Between different circuits
75 V DC / 60 V AC (basic insulation)
Isolation
Isolation tested with
707 V DC (type test)
Distributed mode
prioritized startup
Yes
Dimensions
Width
35 mm
Height
147 mm
Depth
129 mm
Weights
Weight, approx.
260 g