Hardware errors
detected. All inputs are
maintained in a safe
state.
By using an internal self-test mechanism a
hardware error at the reference voltage source for
the inputs was detected. As a result, all inputs are
maintained in a safe state.
The acknowledgement deletes the diagnostic
message. The restart is only possible after an
error-free power-up self-test.
0x018X
384dez
385dez
386dez
387dez
The least significant four bits
display information on the
affected input pair.
Range of values:
0: IN0, IN4
1: IN1, IN5
2: IN2, IN6
3: IN3, IN7
Implausible signal
change at the
displayed input pair.
An implausible signal change was detected at an
input pair in the two-channel mode. In order to
reset the error state both inputs must be moved to
the safe state. For the depiction of a “1” signal for
the affected input pair both inputs must be set
(Observe negation in the case of antivalent inputs)
An acknowledgement of this diagnostic message is
possible. The acknowledgement deletes the
message.
The least significant four bits
display information on the
affected clock output.
Range of values:
0 – Clock output UT1
8 – Clock output UT2
Short-circuit or
overload at the
displayed clock output.
At the displayed clock output a short-circuit or
overload was detected and, as such, the affected
clock output was switched off. The error is
displayed by the red illuminated clock output LED
on the device. The restart is carried out by the
corresponding acknowledgement of the diagnostic
message. This means that the relevant connected
inputs are also switched on.
Undervoltage was
detected at the US1
supply.
Undervoltage was detected at the US1 supply. The
error is displayed by the flashing (1 Hz) US1 LED
on the device. The LED then illuminates
permanently as soon as no undervoltage can be
detected.
The acknowledgement deletes the message.
Undervoltage was
detected at the US2
supply.
Undervoltage was detected at the US2 supply. The
error is displayed by the flashing (1 Hz) US2 LED
on the device. The LED then illuminates
permanently as soon as no undervoltage can be
detected.
The acknowledgement deletes the message.
The device
temperature has
reached a critical
value.
Critical temperature on the safe slave device. The
shutdown (Failure State) is immediately pending. In
the event of a further increase in temperature the
device firmware puts the device in the failure state.
The acknowledgement deletes the diagnostic
message.
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