DT4220 E
6.4. indicators
(1) Rel 1: limit output indicator (yellow)
indicates that the limit output 1 is in "on-state" (LIMIT1).
(2) Rel 2: limit output indicator (yellow)
indicates that the limit output 1 is in "on-state" (LIMIT2).
(3) Status: Communication status indicator (yellow)
The indicator gives light for 0.1 sec when a succesfull data exchange
has granted through the communication output.
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