Input/output modules
Hardware - SIMADYN D
5-7
Edition 12.2004
5
5.2 Input/output module EB11
6DD1641-0AC0
•
32 binary inputs and outputs
•
2 40-pin connectors
•
2*8 binary inputs and outputs per connector
•
binary outputs with thermal overload protection
•
2 LED keys to reset after an overload condition
•
L-bus
connection
An overloaded binary output due to an excessively high current (thermal
overload, e. g. short-circuit) is electronically shutdown. The output is
switched into an open-circuit condition. The LED key of the associated
connector lights-up.
The associated output is operational again after a recovery time (during
which time it cools-down). To realize this, the associated electronics must be
reset
; this can be done in 2 ways:
•
Using
the
background program
of the CPU module, on which the
associated binary output function block is configured.
For a normal CPU utilization, this reset takes several seconds after
cooling-down.
Resetting can take somewhat longer for extremely high CPU loading
levels.
•
By depressing the illuminated
LED key
.
Key assignment:
−
connector X5: Key S1
−
connector X6: Key S2
Order No.
Features
Overload
protection
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