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Lumel RE72 User Manual
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42
42
9. ALARMS
Four alarms are available in the controller
, which can be
assigned:
to each
output.
The alarm
confi
guration requires
the selection
of
the
alarm
kind
through
setting
out1
,
out2
,
out3
and
out4
para-
meters on the suitable type of alarm.
A
vailable types of alarms are given
on the fi
g. 22.
Absolute upper
[
AH
i
]
Absolute lower
[
Alo
]
Relative upper
[
d
w
H
i
]
Fig.21. Control with two loops – heating-cooling type
sp
aLdu
(>0
)
aLdu
(<0
)
100
%
0%
wy
jœ
c
ie
s
t
e
r
u
j¹
c
e
tor
g³
ówny
(
gr
z
anie
)
Hn
tor
po
mocn
iczy
(
c
h³
od
z
e
nie)
t
em
p
er
at
u
r
a [
C]
°
war
t
oœ
æ
z
ada
na
control output
Main loop
(heating)
Auxiliary loop
(cooling)
Set point value
T
emperature [°C]
41
43
Table of Contents
Default Chapter
3
Table of Contents
3
1 Application
5
2 Controller Set
5
3 Basic Requirements, Operational Safety
6
4 Installation
6
Controller Installation
6
Lectrical Connections
8
Installation Recommendations
10
5 Starting to Work
11
6 Service
12
Programming Controller Parameters
13
Programming Matrix
14
Setting Change
16
Parameter Description
17
7 Controller Inputs and Outputs
29
Main Measuring Inputs
29
Additional Measuring Inputs
29
Binary Inputs
30
Outputs
31
8 Control
32
ON-OFF Control
32
Innovative SMART PID Algorithm
32
Auto-Tuning
33
Auto-Tuning and „Gain Scheduling
35
Proceeding Way in Case of a Dissatisfying PID Control
35
Step-By-Step Control
37
Gain Scheduling" Function
40
Control of Heating-Cooling Type
41
9 Alarms
42
10 Timer Function
44
11 Current Transformer Input
45
12 Additional Functions
47
Control Signal Monitoring
47
Manual Control
47
Signal Retransmission
48
Set Point Change Rate - Soft Start
49
Digital Filter
49
Manufacturer's Settings
50
13 Programming Control
51
Description of Programming Control Parameters
51
Definition of Set Point Value Programs
54
Control of the Set Point Value Program
57
14 Rs-485 Interface with Modbus Protocol
60
Introduction
60
Error Codes
61
Register Map
61
15 Software Updating
83
16 Error Signaling
85
17 Technical Data
87
18 Controller Version Codes
92
19 Maintenance and Guarantee
94
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Lumel RE72 Specifications
General
Brand
Lumel
Model
RE72
Category
Controller
Language
English
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