ero electronic DPS - External Alarm Reset or Hold Function; Local; Remote Operation; Alarms Relay Output; Alarm 2 Relay Wiring

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C) EXTERNAL ALARM RESET OR HOLD FUNCTION
It is possible to reset both alarms of the instrument or hold the
measured value by an external switch.
Fig. 2.9 - EXTERNAL ALARM RESET WIRING
D) LOCAL / REMOTE OPERATION
It is possible to operate the instrument in local mode or in remote
mode. When the instrument is in remote mode it is under the control
of a serial link.
Fig. 2.10 LOCAL / REMOTE WIRING
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E) OUTPUTS
E.1 ALARMS RELAY OUTPUT
Fig. 2.11 ALARM 1 RELAY WIRING
Fig. 2.12 ALARM 2 RELAY WIRING
The relay output is an SPST relay, protected with snubber network.
The contact ratings are: 2 A / 30 V DC on resistive load or
0.6 A / 110 V DC on resistive load or
0.5 A / 250 V AC on resistive load or
0.3 A / 110 V DC on inductive load.
The number of operations is 2 x 10
5
at specified rating.
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