PULSAR MEASUREMENT
121
Alarms
P1 & P2: P210, 220, 230, 240, 250, 260 = 1 (Alarm)
The
second parameter
for each relay determines the
function
of the alarm.
P*211, 221, 231, 241, 251, 261
–
Relay Function
OPTION
DESCRIPTION
0 = Off (Default)
Relay will not operate.
1 = Level
Alarm is based on the level in the vessel, and the type of level
alarm (P*2
1
2, 2
2
2, 2
3
2, 2
3
2, 2
4
2, 2
5
2, 2
6
2) and two setpoints
must be set (P*2
2
3, 2
2
3, 2
3
3 & 2
1
4, 2
2
4, 2
3
4, 2
4
4, 2
5
4, 2
6
4).
Setpoints are entered in display units or % of span as referenced
to empty level.
2 = Rate of
Change
Alarm is based on the rate of change of level in the vessel, and
the type of rate of change alarm (P*2
1
2, 2
2
2, 2
3
2, 2
4
2, 2
5
2, 2
6
2),
and two setpoints must be set (P*2
1
3 & 2
2
3, 2
1
4 & 2
2
4, 2
3
4 &
2
3
4, 2
4
3 & 2
4
4, 2
5
3 & 2
5
4, 2
6
3 & 2
6
4). Setpoints are entered in
Display Units per minute or % of span per minute and a negative
value should be entered for a Rate Alarm on a de-creasing level,
and a positive value for an increasing level.
3 = Temperature
Alarm is based on the temperature, and the type of temperature
alarm (P*2
1
2, 2
2
2, 2
3
2, 2
4
2, 2
5
2, 2
6
2) and two setpoints must be
set (P*2
1
3, 2
2
3, 2
3
3, 2
4
3, 2
5
3, 2
6
3 & P2
1
4, 2
2
4, 2
3
4, 2
4
4, 2
5
4,
2
6
4). The temperature used depends on the temperature source
selected (P852). Setpoints are entered in
o
C.
4 = Loss of Echo
Alarm is raised if the
Failsafe
Timer
(
P809
) expires. No setpoints
required.
5 = Loss of Clock
Alarm is raised if the expires. No setpoints required.
6 = Device Fail
Alarm is raised if a device, connected to the relay assigned in
alarm ID (P*2
1
2, 2
2
2, 2
3
2, 2
4
2, 2
5
2, 2
6
2), fails. E.g. pump is put
out of service. No setpoints are required.
7 = Device Alarm
Alarm is raised if a fail signal is detected on the digital input as
assigned in alarm ID (P*2
1
2, 2
2
2, 2
3
2, 2
4
2, 2
5
2, 2
6
2) No
setpoints are required.
•
To set figures in % press the
hot key to show and enter % figure
relative to empty level.
Important Notice
The Loss of Echo, and Loss of Clock will also be shown on the display as “Lost
Echo”, and “Lost Clock” respectively.
Содержание UltraTWIN
Страница 1: ...UltraTWIN UL Instruction Manual...
Страница 2: ...2...
Страница 15: ...PULSAR MEASUREMENT 15 EU Certificate of Conformity...
Страница 24: ...ULTRATWIN UL INSTRUCTION MANUAL 24 Fascia Mount The terminal details are as illustrated below...
Страница 213: ...PULSAR MEASUREMENT 213 NOTES...
