EL.CO. S.R.L. – ELK22MP
-
INSTRUCTIONS FOR USE
- Ver.05 - 03/22 - PAG. 8
The regulator then performs a series of connected system
operations to calculate the most suitable PID adjustment
parameters.
The duration of the Autotuning cycle is limited to a maximum of 12
hours.
If the process is not completed within 12 hours, the parameters will
not be changed and display show
“Fail Auto”
. Holding down the
key
return to normal operation.
Is possible stop the autotuning process by hold down the key
for
five seconds.
The values calculated by the AutoTuning will be automatically
stored by the device at the end of the proper run of the Autotuning
cycle in the PID adjustment parameters.
5.6 - ALARM FUNCTION
In the control mode, you can activate relative minimum or
maximum, absolute minimum or maximum, relative window with
activation inside or outside window alarms.
You can enter a hysteresis and a delay on the return of the alarm.
Such functions may be useful in order to avoid frequent
interventions of the outputs especially when they command
compressors.
The delay function is deactivated by programming
“ALxD”
on 0.
The parameter
“ALx”
sets the alarm setpoint..
Set
“O1F”
= AL to associate output 1 with the alarm 1.
Set
“O2F”
= AL to associate output 2 with the alarm 2.
Example of operation with
“AL1T”
= Loab (minimum alarm)
Example of operation with
“AL1T”
= HidE (relative maximum)
Example of operation with
“AL1T”
= LHdi (relative band in)
5.7 – SETTING MODULE ADDRES
ELK22MP have 16 as default addres. At the startup of the system,
ELK22DKP will be in communication with the lowest addres of the
full system. During normal operation will be accepted value from 1
to 16. Connect one ELK22MP at time and set the ADR parameter
before connect the next ELK22MP.
Example: connect and power up the first ELK22MP, program the
ADR parameter to 0, and power off the system. Connect the second
ELK22MP and power up the system (or only the ELK22MP), and
set the ADR parameter at the next or prefer value, but it will be
different of the last ADR set.
6 - PROGRAMMABLE PARAMETERS TABLE
Below are all the parameters that the device can be equipped with.
The hex address is only for ELK22MPE and ELK22MPM
The address in decimal is also avaiable for better reading.
Address 512 in decimal (0x200 in hex) is reserved for reading
the product temperature.
Descrizione
Range
Def.
Indirizzo
hex
SP1
SetPoint 1
SSP ÷ FSP
0
0x00-0
SENS
In-probe type:
TCJ = Thermocouple
J
TCK = Thermocouple
K
TCS = Thermocouple
S
ntc= Thermistor NTC
103-AT2
Ptc= Thermistor PTC
KTY81-121
P100= Thermal
resistor Pt100
0-10= 0-10V
4-20= 4-20mA
1 = TCJ
2 = TCK
3 = TCS
4 = NTC
5 = PTC
6 = P100
TCJ
0x01-1
DP
Number of decimals
P100, 0-10,
4-20:
0 / 1
0
0x02-2
SSC
Minimum display
-999 ÷ 1000
-50
0x03-3
FSC
Maximum display
-999 ÷ 1000 1000
0x04-4
UNIT
Temperature
measurement unit
0 = °C
1 = °F
°C
0x05-5
CA
Measure offset
-100 ÷ 100
0
0x06-6
FIL.D
Display adjustment
time
0.5
0x07-7
CONT
Adjustment type:
Pid= PID
On.F= ON/OFF
On.Fn= Neutral Zone
(double action
ON/OFF)
0 = Pid
1 = On.F
2 = On.Fn
On.F
0x08-8
AUTO
Enabling autotuning:
OFF = Disabled
1 = Start-up upon
each switching on
2
= Start-up upon
the first switching
on
= Manual Start-up
OFF /
1 ÷ 3
OFF
0x09-9
BP
Proportional band
(PID adj.)
1 ÷ 1000
40
0x0A-10
TD
Integral time (PID
adj.)
0 ÷ 100.0
sec.
10.0 0x0B-11
TI
Derivative time (PID
adj.)
0 ÷ 100.0
sec.
5.0
0x0C-12
TR1
Output time period
0.5 ÷ 20.0
sec.
20.0 0x0D-13
HPOS
Positive adjustment
hysteresis
0 ÷ 100
2
0x0E-14
HNEG
Negative adjustment
hysteresis
0 ÷ 100
2
0x0F-15
SSP
Setpoint setting lower
limit
SSC ÷ FSC
-50
0x10-16
