Yokogawa Touch Screen GP20 - Manual (Page 57)

1-43
IM 04L51B01-01EN
Configuring the GX/GP
1
2
3
4
5
App
Action
Setup Item Selectable Range or Options Default Value
Energize/De-energize Energize, De-energize Energize
Action 1 And, Or, Reflash Or
Hold 1, 2 Hold, Nonhold Nonhold
Relay action on ACK 1 Normal, Reset Normal
Relay deactivated interval 1, 3 500 ms, 1 s, 2 s 500 ms
1 Does not appear when Type is set to Manual.
2 Does not appear when Action is set to Reflash.
3 Appears when Action is set to Reflash.
Energize/De-energize
Set whether to Energize or De-energize the DO output when an alarm occurs.
Action
Options Description
And Activated when all assigned alarms are occurring simultaneously.
Or Activated when any of the specified alarms is occurring.
Reflash When multiple alarms are assigned to one alarm output relay, the GX/GP
notifies the occurrence of subsequent alarms after the relay is activated by
the first alarm.
Hold
Set the DO channel output operation.
Options Description
Hold Holds the output relay at ON until an alarm acknowledge operation is
performed.
Nonhold Turns the output relay off when the alarm condition is released (returns to
normal condition).
Relay action on ACK
Set what the output state of the DO channel would be after an alarm ACK operation.
Options Description
Normal The relay is deactivated when an alarm ACK is executed. If the condition for
activating the alarm output relay is met in the next 100 ms, the relay will be
activated. This operation is valid only when the alarm output relay is set to
Hold.
Reset The relay is deactivated when an alarm ACK is executed. If the condition for
activating the alarm output relay is met again, the relay will be activated.
Example:
An example of the relay action when alarm ACK is executed is shown below. In this
example, the relay is set to Or and Hold.
Normal
Alarm ACK
Alarm output relay
Alarm 2
Alarm 1
Relay is activated after 100 ms.
Activated
Deactivated
Occurrence
Occurrence
1.4 Configuring DO Channels (Digital output channels)