Carel ir33 Universale series User Manual page 25

Mod. V
OUT1 (LOW ALARM) OUT1
ON
OFF
P27 B1
P25
Mod. Z
OUT3 (LOW ALARM) OUT1
P27 P1 P3
P25
St1
Key
St1
P1
P2
P3
P27
OUT1/2/3/4
B1
Parameter P28 represents the "alarm activation delay" in minutes; the
low temperature alarm (E05) is activated only if the temperature remains
below the value of P25 for a time greater than P28. The alarm may relative
or absolute, depending on the value of parameter P29. In the former case
(P29=0), the value of P25 indicates the deviation from the set point and
thus the activation point for the low temperature alarm is: set point - P25.
If the set point changes, the activation point also changes automatically.
In the latter case (P29=1), the value of P25 indicates the low temperature
alarm threshold. The low temperature alarm active is signalled by
the buzzer and code E05 on the display. The same applies to the high
temperature alarm (E04), with P26 instead of P25.
Alarm set point relative to working set point P29=0
Low temperature alarm
Enable Disable
Setpoint-P25 Setpoint-P25+P27 Setpoint+P26 Setpoint +P26-P27
Absolute alarm set point P29=1
Low temperature alarm
Enable Disable
P25 P25+P27
The low and high temperature alarms are automatically reset; if there is
an alarm active on the control probe, these alarms are deactivated and
monitoring is reinitialised.
When alarms E04 and E05 are active, the buzzer can be muted by pressing
Prg/mute. The display remains active.
5.2.6 Direct/reverse with changeover from digital input
1 (parameter c0=6)
The controller operates in "direct" mode based on St1 when digital input
1 is open, in "reverse" based on St2 when it is closed.
INPUT DI1 OPEN INPUT DI1 CLOSED
Mod. V
OUT1
ON
OFF
P1
St1
Mod. W
OUT2 (HIGH ALARM)
ON
OFF
P1 P3 B1 P27
P26
St1
OUT2 OUT4 (HIGH ALARM)
P3 P2 P27
P26
Set point 1
"Reverse" diff erential
"Direct" diff erential
Dead zone diff erential
Alarm diff erential
Output 1/2/3/4
Probe 1
High temperature alarm
Enable Disable
High temperature alarm
Enable Disable
P26 P26-P27
Mod. V
OUT1
ON
OFF
P2
B1 B1
St2
Key
St1/St2
P1
P2
ON
OUT1
B1
OFF
For models W & Z the activations of the outputs are equally distributed
B1
inside the diff erential set (P1/P2).
Parameter c29 is not active in mode 6.
5.2.7 Direct with set point & diff erential, changeover
from digital input 1 (parameter c0=7)
The controller always operates in "reverse" mode, based on St1 when
digital input 1 is open and based on St2 when it is closed.
B1
INPUT DI1 OPEN
Mod. V
ON
OFF
St1
Key
St1/St2
P1
P2
OUT1
B1
For models W & Z the activations of the outputs are equally distributed
across the diff erential (P1/P2).
Parameter c29 is not active in mode 7.
5.2.8 Reverse with set point & diff erential, changeover
from digital input 1 (parameter c0=8)
The controller always operates in "reverse" mode, based on St1 when
digital input 1 is open and based on St2 when it is closed.
INPUT DI1 OPEN
OUT1
P1
Key
St1/St2
OUT1
P1
B1
P2
For models W & Z the activations of the outputs are equally distributed
across the diff erential (P1/P2).
Parameter c29 is not active in mode 8.
25
Set point 1/2
"Direct" diff erential
"Reverse" diff erential
Output 1
Probe 1
INPUT DI1 CLOSED
Mod. V
OUT1 OUT1
ON
OFF
P1 P2
B1
St2
Set point 1/2
"Direct" diff erential St1
"Direct" diff erential St2
Output 1
Probe 1
INPUT DI1 CLOSED
Mod. V Mod. V
OUT1
ON
OFF
P2
B1
St1 St2
Set point 1/2
Output 1
"Reverse" diff erential
Probe 1
"Reverse" diff erential
ir33 universale +030220801 - rel. 1.0 - 16.04.2008
ENG
B1
ON
OFF
B1