Technical specifications
Order number
Diagnostic messages
Diagnostics indication LED
Potential separation
Potential separation channels
Permissible potential difference
Isolation
Ambient conditions
Ambient temperature during operation
Decentralized operation
Dimensions
Weights
28
Monitoring the supply voltage
•
Wire-break
•
Short-circuit
•
RUN LED
•
ERROR LED
•
Monitoring of the supply voltage (PWR-
•
LED)
Channel status display
•
for channel diagnostics
•
for module diagnostics
•
between the channels
•
between the channels, in groups of
•
between the channels and backplane bus
•
between different circuits
Isolation tested with
horizontal installation, min.
•
horizontal installation, max.
•
vertical installation, min.
•
vertical installation, max.
•
Prioritized startup
Width
Height
Depth
Weight, approx.
6ES7521-7EH00-0AB0
No
Yes; To I < 550 µA
No
Yes; Green LED
Yes; Red LED
No
Yes; Green LED
Yes; Red LED
Yes; Red LED
Yes
1
Yes
146 V DC/132 V AC
2 000 V DC
0 °C
60 °C
0 °C
40 °C
Yes
35 mm
147 mm
129 mm
240 g
Digital input module DI 16x24...125VUC HF (6ES7521-7EH00-0AB0)
Manual, 12/2016, A5E35681478-AC