WIKA DI25 - Handbuch (Seite 28)

28 WIKA operating instructions digital indicator, model DI25
14076218.01 12/2013 GB/D
GB
6. Commissioning, operation
Current and voltage signals
4 ... 20 mA -1999 ... 9999 With the input configuration 4 ... 20 mA or 0 ...
20 mA, the included 50 Ω measurement shunt
must be connected to the terminals 18 and 19.
0 ... 20 mA -1999 ... 9999
DC 0 ... 1 V -1999 ... 9999
DC 0 ... 5 V -1999 ... 9999
DC 1 ... 5 V -1999 ... 9999
DC 0 ... 10 V -1999 ... 9999
6.4.3 Indication of alarm value
For display of the set alarm values during operation, press △ key and additionally the
MODE key. To display the next set alarm value, press the △ key again and additionally
the MODE key.
Name, function and setting range Factory setting
Alarm value alarm 1 (A1)
■ The alarm value of the alarm A1 is indicated on the SV display and the A1 indicator
flashes.
■ Not available if no alarm type is selected for the alarm A1.
0 °C
Alarm value alarm 2 (A2)
■ The alarm value of the alarm A2 is indicated on the SV display and the A2 indicator
flashes.
■ Not available when the option transmitter power supply [P24] is available or if no alarm
type has been selected for alarm A2.
0 °C
Alarm value alarm 3 (A3)
■ The alarm value of the alarm A3 is indicated on the SV display and the A3 indicator
flashes.
■ Not available if no alarm type is selected for the alarm A3 or if the high/low alarm was
selected.
0 °C
6.5 Switch behaviour of the alarms
Switch behaviour activated (open-circuit principle, no, normally open)
While the display A1 (A2, A3) is ON (flashing), the alarm output of A1 (A2, A3) between
the connection terminals 7 - 8 (9 - 10, 12 - 13) is ON (relay activated).
The alarm output A1 (A2, A3) is OFF (relay deactivated) if the display of A1 (A2, A3) is
OFF (not flashing)
Switch behaviour deactivated (closed-circuit principle, nc, normally closed)
While the display A1 (A2, A3) is ON (flashing), the alarm output of A1 (A2, A3) between
the connection terminals 7 - 8 (9 - 10,12 - 13) is OFF (relay deactivated).