Yokogawa EJX930A - Manual (Page 75)

<9. Parameter Lists>
9-11
IM 01C25T02-01E
Relative
Index
Index
AI1
Index
AI2
Index
AI3 Parameter Name Factory Default
Write
Mode
Explanation
20 4020 4120 4220 UPDATE_EVT — — This alert is generated by any change to the static
data.
21 4021 4121 4221 BLOCK_ALM — — The block alarm is used for all configuration,
hardware, connection failure or system problems
in the block. The cause of the alert is entered in
the subcode field. The first alert to become active
will set the Active status in the Status attribute. As
soon as the Unreported status is cleared by the
alert reporting task, another block alert may be
reported without clearing the Active status, if the
subcode has changed.
22 4022 4122 4222 ALARM_SUM Enable — The current alert status, unacknowledged states,
unreported states, and disabled states of the
alarms associated with the function block.
23 4023 4123 4223 ACK_OPTION 0xFFFF AUTO Selection of whether alarms associated with the
block will be automatically acknowledged.
24 4024 4124 4224 ALARM_HYS 0.5% AUTO Amount the PV must return within the alarm
limits before the alarm condition clears. Alarm
Hysteresis is expressed as a percent of the PV
span.
25 4025 4125 4225 HI_HI_PRI 0 AUTO Priority of the high high alarm.
26 4026 4126 4226 HI_HI_LIM +INF AUTO The setting for high high alarm in engineering
units.
27 4027 4127 4227 HI_PRI 0 AUTO Priority of the high alarm.
28 4028 4128 4228 HI_LIM +INF AUTO The setting for high alarm in engineering units.
29 4029 4129 4229 LO_PRI 0 AUTO Priority of the low alarm.
30 4030 4130 4230 LO_LIM -INF AUTO The setting for the low alarm in engineering units.
31 4031 4131 4231 LO_LO_PRI 0 AUTO Priority of the low low alarm.
32 4032 4132 4232 LO_LO_LIM -INF AUTO The setting of the low low alarm in engineering
units.
33 4033 4133 4233 HI_HI_ALM — — The status for high high alarm and its associated
time stamp.
34 4034 4134 4234 HI_ALM — — The status for high alarm and its associated time
stamp.
35 4035 4135 4235 LO_ALM — — The status of the low alarm and its associated
time stamp.
36 4036 4136 4236 LO_LO_ALM — — The status of the low low alarm and its associated
time stamp.
37 4037 4137 4237 OUT_D_SEL 0 — Selection of alarm to output it from OUT_D
38 4038 4138 4238 OUT_D — Value=
MAN
A discrete value and status that shows HI_HI, HI,
LO_LO, LO state.