Yokogawa DAQWORX - Manual (Page 262)

7-86 IM WX101-01E
Alarm
Reflash
To set the reflash operation on the alarm output relay, select [ON]. The reflash function
is set on the first three output relays.
Settings Description
Off Reflash is not used.
On *1 Reflash is used. The relays are deactivated for approximately 500 ms.
500ms
*2
Reflash is used. The relays are deactivated for approximately 500 ms.
1s
*2
Reflash is used. The relays are deactivated for approximately 1 s.
2s *2 Reflash is used. The relays are deactivated for approximately 2 s.
*1 Release numbers 3 and earlier
*2 Release numbers 4 and later.
Rate of Change Decrease
Set the interval for the rate-of-change calculation of the low limit on rate-of-change alarm
in terms of the number of sampled data points (1 to 32). The actual interval is obtained
by multiplying the value specified here by the scan interval.
Rate of Change Increase
Set the interval for the rate-of-change calculation of the high limit on rate-of-change
alarm in the same manner as the interval for the low limit on rate-of-change alarm.
Hold
You can choose to make the alarm displays behave in the following ways. When you
use the alarm annunciator function (release number 3 or later), the setting follows the
annunciator sequence.
Settings Description
Unhold Clears the alarm indication when the alarm condition is released (returns to
normal condition).
Hold Holds the alarm indication until an alarm acknowledge operation is performed.
Internal Switch AND
Select the internal switches that are to operate using AND logic. Set the range of internal
switches (from the first internal switch) to take the AND logic. All subsequent switches
will be set to OR logic.
7.7 Setting DX1000/DX2000