ZENITH 140
INSTRUCTION MANUAL
72
Alarms
P210, 220, 230, 240, 250, 260 = 1 (Alarm)
The
second parameter
for each relay determines the
function
of the alarm.
P211, 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 (P2
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 (P2
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 (2
1
2, 2
2
2, 2
3
2, 2
4
2, 2
5
2,
2
6
2), and two setpoints must be set (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 (P2
1
2, 2
2
2, 2
3
2, 2
4
2, 2
5
2, 2
6
2) and two
setpoints must be set (P2
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 = Pump Efficiency
When Pump Efficiency is enabled, Alarm is based on the
Efficiency of the pump which is allocated to the relay I.D.
(P2
1
2, 2
2
2, 2
3
2, 2
4
2, 2
5
2, 2
6
2) and two setpoints must be set
(P2
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). Setpoints are entered in %.
7 = Device Fail
Alarm is raised if a device, connected to the relay assigned in
alarm ID (P2
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.
8 = Device Alarm
Alarm is raised if a fail signal is detected on the digital input
as assigned in alarm ID (P2
1
2, 2
2
2, 2
3
2, 2
4
2, 2
5
2, 2
6
2) No
setpoints are required.
