The menu structure for the programmable LEDs is presented in
Figure 15
. The
common color selection setting
Alarm colour
for all ALARM inputs is in the General
menu, while the LED-specific settings are under the LED-specific menu nodes.
Alarm mode
Description
LED 1
Programmable LEDs
Alarm color Red
Green
Follow-S
Follow-F
Latched-S
LatchedAck-F-S
Programmable LED description
LED 2
General
Figure 15: Menu structure
Alarm mode alternatives
The ALARM input behavior can be selected with the alarm mode settings from the
alternatives "Follow-S", "Follow-F", "Latched-S" and "LatchedAck-F-S". The OK input
behavior is always according to "Follow-S". The alarm input latched modes can be
cleared with the reset input in the application logic.
Figure 16: Symbols used in the sequence diagrams
"Follow-S": Follow Signal, ON
In this mode ALARM follows the input signal value, Non-latched.
Figure 17: Operating sequence "Follow-S"
"Follow-F": Follow Signal, Flashing
Similar to "Follow-S", but instead the LED is flashing when the input is active, Non-
latched.
"Latched-S": Latched, ON
This mode is a latched function. At the activation of the input signal, the alarm
shows a steady light. After acknowledgement by the local operator pressing any key
on the keypad, the alarm disappears.
1MRS758755 C
Basic functions
REC615 & RER615
Technical Manual
65
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