Hach-lange ORBISPHERE K1100_M1100 Operator Manual Manuel d'utilisateur télécharger pdf (Page 64)

Inputs/Outputs Menu

8.1 Configure snooze

8.2 View inputs/outputs

8.3 Relays

Configure snooze

In the event of an alarm, the “snooze” button stops the instrument buzzer and returns all the relays in the

instrument to their normal state during a "snooze time".

Enter the snooze time in seconds and press OK.

View inputs/outputs

This view option displays the state of the 3 alarm relays (on or off), and the analog output current value

for each.

Relays

There are three measurement alarm relays and one system alarm relay for the instrument. These relays

are configurable as either standard or custom events through the instrument menu.

• An alarm relay can be activated or deactivated

• When the alarm is OFF, it is activated,

• When the alarm is ON, it is deactivated

All the relays are activated as soon as the instrument is ON (but alarms are OFF). When the instrument

is OFF, the relays are deactivated, thus in this state, all alarms are ON. The logic "Relay deactivated =

Alarm ON" has been chosen for this safety reason.

When the main board does not communicate with the measurement board for more than 30 seconds, the

measurement board switches all the alarm relays and the analog output to the alarm state.

Relays configuration The three relays can be triggered by several standard events, or a

combination of events (custom). The relays output can be used to turn on a

beacon, horn or PLC (see Connections to electronic boards on page 33)

Note: Relays can be set to Normally Open [NO] or Normally Closed [NC] by

changing the jumper positions on the measurement board (see

Measurement alarm relays on page 34).

• Select a standard event in the rolling list

• If “Custom event” has been selected, it has to be configured by touching

the configure button

• Press on the text box to open the selection menu (rolling menu). Select

the events that must trigger the relay, and press OK.

Proceed in the same manner for other events that should trigger the relay.

Test channel relays The three measurement alarm relays can be manually activated for testing

purposes:

• Select Relay On, Off or Not under test.

See note regarding the relays below. “Not under test” means the relay is in

operating mode, and it will be triggered normally.

Note: A relay set to NO will close when activated (On), but a relay set to NC

will open. See Measurement alarm relays on page 34.

Test system relay Similarly, the system alarm relay can be manually activated for testing

purpose.

• Select Relay On, Off or Not under test.

Note: In both the Test Channel Relays and Test System Relay options above, once the tests have been

completed press Cancel to exit the screen. At the same time, this will reset all relays (including the system

relay) back to a status of “Not under test”.

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Hach-lange ORBISPHERE K1100_M1100 Operator Manual Manuel d'utilisateur Page 64

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