pma Digital 380 Bedienungsanleitung Seite 15

Two trigger points can be adjusted for each of the two relays L1 and L2.
When a trigger point is not required, it can be switched off. On versions
without relay, only the limit signalling LEDs on the instrument front are lit.
OPEn
CLOSE
Value for ...
L1_Lo
L1_Hi
L1_HI
L1_Lo
L1_Lo
L2_Lo
When using a Digital 380 channel selector in the automatic scan mode
(SC_on), the built-in relays are used for common alarm signalling, i.e. the
corresponding relay switches with at least one alarm in the measured
channels.
In this case, the mode (normally open or normally closed) is dependent of
the channel 1 setting.
9499-040-24701
LED
LED
LED
Lo
L2_Lo
L2_Hi
L2_HI
L2_Lo
L1_HI
L2_HI
LED
LED
LED
Hi
Value
123. 4 (e.g.)
123. 4 (e.g.)
99999
-9999
----
HYST
normally closed
HYST
normally open
Reaction
Alarm with input value <
123.4
Alarm with input value >
123.4
Alarm only with sensor break
and up-scale configuration
Alarm only with sensor break
and down-scale configuration
Trigger point not used
13