Fantini Cosmi L02DI2B Handleiding

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Minimum ON time.

After output 2 has been turned ON, it remains active for minutes regardless of the2T0

temperature value measured.

Minimum OFF time ().the following parameter will be 2PF

After output 2 has been turned OFF, it remains inactive for minutes regardless of the2T1

temperature value measured.

Minimum ON time.

After output 1 has been turned ON, it remains active for minutes regardless of the1T0

temperature value measured.

Minimum OFF time ().the following parameter will be 1PF

After output 1 has been turned OFF, it remains inactive for minutes regardless of the1T1

temperature value measured.

CONFIGURATION PARAMETERS

PARRANGEDESCRIPTION

UM

c; F; NonUnit of measure for control.

RES

r01; r1Resolution of measure: r01=0.1°; r1=1°. This parameter is not available when UM=F and

in the model L02D.

SPL

-50°...SPHMinimum limit for setting1SP

SPH

SPL...150°Maximum limit for setting.1SP

1SP

SPL... SPHSetpoint (value to be maintained in the room).

1CM

HY; PIDControl mode.

With =HY you select control with hysteresis: parameters , and are used.1CM1HY1T01T1

With =PID you select a Proportional-Integral-Derivative control mode: parameters , , 1CM1PB1IT

1DT1AR1CT, , will be used

1CH

REF; HEARefrigerating (REF) or Heating (HEA) control mode.

1CM=HY

1HY

0...19.9°OFF/ON thermostat differential. With =0 the output is always off. 1HY

1T0

0...30 min

1T1

0...30 min

1CM=PID

1PB

0...19.9°Proportional band width.

Temperature control takes place by changing the

ON time of the output: the closer the temperature

to the setpoint, the less time of activation. A small

proportional band increases the promptness of

response of the system to temperature variations,

but tends to make it less stable. A purely

proportional control stabilises the temperature

within the proportional band but does not cancel

the deviation from setpoint.

With =0 the output is always off.1PB

1IT

0...999sIntegral action time.

The steady-state error is cancelled by inserting an

integral action. The integral action time, determines

the speed with which the steady-state temperature

is achieved, but a high speed ( low) may be the 1IT

cause of overshoot and instability in the response.

With =0 the integral control is disabled.1IT

1DT

0...999sDerivative action time.

Response overshoot may be reduced by inserting

a derivative Action. A high derivative action ( 1DT

high) makes the system very sensitive to small

temperature variations and causes instability. With

1DT=0 the derivative control is disabled.

1AR

0...100%Reset of integral action time referred to 1PB

Decreasing the parameter reduces the integral control action zone, and consequently the 1AR

overshoot (see figure on paragraph 1IT).

1CT

1...255sCycle time.

It’s the period in which the output ON time

changes. The quicker the system to be controlled

reacts to temperature variations, the smaller the cycle time must be, in order to obtain higher

temperature stability and less sensitivity to load variations.

1PF

ON/OFFOutput state in case of probe failure.

OAU

NON;

THR;

AL0;

AL1

AUX output operation.

NON : output disabled (always off). (the next parameter will be ATM)

THR: output programmed for second thermostat control ().the next parameter will be 2SM

AL0: contacts open when an alarm condition occurs (the next parameter will be ATM).

AL1: contacts make when an alarm condition occurs (the next parameter will be ATM).

OAU=THR

2SM

ABS;

REL

Setpoint 2 mode.

Channelsepoin 2 tt maybeabsolu te (2SM=ABS, )ordieren a fftialrela tiveoet1 ( t spoint 2SM=REL)

2SM=ABS

2SP

SPL...SPHAuxiliary output switchover temperature ()the next parameter will be 2CH

2SM=REL

2DF

-19.9...19.9°Temperature differential relative to . The auxiliary output setpoint is equal to +1SP1SP2DF

ON/OFF refrigerating control

(=HY, =REF)1CM1CH

ON/OFF heating control

(=HY, =HEA)1CM1CH

1SP

1SP+1HY

T[°]

ON

OFF

1SP1SP-1HY

T[°]

ON

OFF

Time

Temperature

Time

Temperature

Time

Temperature

Process

temperature

Overshoot

Steady-state error

1PB

1SP

Process

temperature

Overshoot

1PB

1PBx1AR%

integral control

action area

1SP

Process

temperature

Overshoot

1PB

1SP

2SP

2SP+2HY

T[°]

ON

OFF

ON/OFF control in refrigeration

(=ABS, =REF)2SM2CH

2SP2SP-2HY

T[°]

ON

OFF

ON/OFF control in heating

(=ABS, =HEA)2SM2CH

1SP+2DF

1SP

2DF>0

1SP+2DF+2HY

T[°]

ON

OFF

ON/OFF control in refrigeration. Setpoint 2

relative to setpoint 1 (=THR, =REF)OAU2CH

1SP

1SP+2DF

2DF<0

1SP+2DF-2HY

T[°]

ON

OFF

ON/OFF control in heating. Setpoint 2

relative to setpoint 1 (=THR, =HEA)OAU2CH

INPUT SPECIFICATIONS

MODELINPUT

RANGE [MEASUREMENT ACCURACY]

RES = r01 (UM = c)RES = r1 (UM = c)RES = r1 (UM = F)

L02D--

INP=T1TC “J”----50÷750°C [ < ±3°C ]

-60÷999°F [ < ±5°F ]

L02C--PT100

-50/-19.9÷99.9/150°C

[ < ±0.3°C ]

-100÷850°C

[<±1°C(-50÷850°), ±2°C]

-150÷999°F

[<±2°F(-60÷999°), ±4°F]

L02A--

INP=ST1

PT1000

(LS 120)

-50/-19.9 ÷ 99.9/150°C

[<±0.3°C(-30130÷°)1°C],±

-50 ÷ 150°C

[<±0.3°C(-30÷130°), ±1°C]

-60 ÷ 300°F

[< ±0.6°F(-20÷260°),±2°F]

INP=SN4

NTC 10k

(LS 130)

-40/-19.9 ÷ 99.9/125°C

[<±0.3°C(-40100÷°)1°C],±

-40 ÷ 125°C

[<±0.3°C(-40÷100°), ±1°C]

-40 ÷ 260°F

[<±0.6°F(-40÷210°), ±2°F]

WIRING DIAGRAMS

OAU=THR

2CH

REF; HEARefrigerating control (REF) or heating control mode (HEA) for the auxiliary output.

2HY

0...19.9°Differential of thermostat 2. With =0 the auxiliary output always remains off.2HY

2T0

0...30min

2T1

0...30min

2PF

ON/OFFAuxiliary output state in case of probe failure.

ATM

NON;

ABS;

REL

As t.larm threholdmanagemen

NON: all temperaurealarmsareinhibiedt t (the followingpaameerwillbe rt SB).

ABS: thealue vs programmed inALAA andAH s repreent therealalarmhreholds ts.

REL : thevalues programmedin ALRand AHRarealarmdi ffterenialres ferred to 1SP and1SP+1HY.

ATM=ABS

ALA

-50°...AHALow temperature alarm threshold.

AHA

ALA...150°High temperature alarm threshold.

ATM=REL

ALR

-12.0...0°Low temperature alarm differential.

With =0 the low temperature alarm is excluded.ALR

AHR

0...12.0°High temperature alarm differential.

With =0 the high temperature alarm is excluded.AHR

ATD

0...120minDelay before alarm temperature warning.

SB

NO/YESStand-by button enabling.

INP

0mA/4mA,

T1/T2

ST1/SN4

Sensor input selection (see table of input specifications).

In the models L02C-- only.

RLO

-19.9...RHIMinimum range value (function not available).

RLO takes the minimum value measured by the transmitter (i.e. the value matching 0V, 0/4mA).

RHI

RLO...99.9Maximum range value (function not available).

RHI takes the maximum value measured by the transmitter (i.e. the value matching 1V, 20mA)

OS1

-12.5...12.5°Probe T1 offset.

TLD

1...30minDelay for minimum temperature (TLO) and maximum temperature (THI) logging.

SIM

0...100Display slowdown.

ADR

1...255Address for communication with a PC (function not available).

PRT

ASC;

RTU

ASCII and RTU Modbus protocol selection (.function not available)

1SP

1SP-ALR

T[°]

ON

OFF

1SP+1HY+AHR

1SP1SP-1HY-ALR

1SP+AHR

T[°]

ON

OFF

Temperature alarm with relative thresholds,

refrigerating control (ATM1CH=REL, =REF)

Temperature alarm with relative thresholds,

heating control (ATM1CH=REL, =HEA).

DISPLAY

During normal operation, the display shows either the temperature measured or one of the following indications:

OPERATION

Insert the controller through a hole measuring 71x29 mm; ■

Make sure that electrical connections comply with the paragraph “wiring diagrams”. To reduce the effects of electromagnetic ■

disturbance, keep the sensor and signal cables well separate from the power wires.

Fix the controller to the panel by means of the suitable clips, by pressingly gently; if check that the rubber gasket adheres fitted,■

to the panel perfectly, in order to prevent debris and moisture infiltration to the back of the instrument.

ATTENTION: during the setup of the controller, please make sure that the parameter INP matches the sensor used, as indicated ■

in the table “input specifications”.

Place the probe T1 inside the room in a point that truly represents the temperature of the stored product. ■

INSTALLATION

= Channel 1 output1

= Channel 2 output

= View in °C or °F

2

Fig.1 - Front panel

Thank you for having chosen a Fantini Cosmi product. Before installing the instrument, please read these instructions carefully

to ensure maximum performance and safety.

DESCRIPTIONINDICATION

INSTRUCTIONS FOR USE

Configuration menu password

SETTING

Confirm

Discard

Confirm

RESET

Discard

oror

Confirm

Discard

Increase

Decrease

blink

Minimum temperature recorded

Maximum temperature recorded

Keypad state lock

Instant probe 1 temperature

Auto-tuning

or

Confirm

Discard

Increase

Decrease

or

Exit

blink

Confirm

Discard

Increase

Decrease

Confirm

Discard

CONDITION

1CM = PID

1CH = configured

1SP = configured

*Configuration access [PSD] is 123

*Tuning access [TUN] is 321

Errors

If the autotuning function failed, the display shows an error code:

E1 timeout1 error: the controller could not bring the temperature within the proportional band. Increase ■1SP in case of heating

control, vice versa, decrease in case of refrigerating control and re-start the process.1SP

E2 timeout2 error: the autotuning has not ended within the maximum time allowed (1000 cycle times). Re-start the autotuning ■

process and set a longer cycle time .1CT

E3 temperature overrange: check that the error was not caused by a probe malfunction, then decrease ■1SP in case of heating

control, vice versa increase in case of refrigerating control and then re-start the process.1SP

E4

device not configured correctly: the device has an incorrect configuration of the parameter. 1CM Enter the menu and check that ■

the parameter is set to .1CM PID

To eliminate the error indication and return to the normal mode, press button . ■

Control improvement

To reduce overshoot, reduce the integral action reset ■1AR

To increase theresponsespeedhe of t sysemreduceheproport, t tionalband ■1PB. : Cauiontdoing thismakeshe t sysemlesst st.able

To reduce swings in steady-state temperature, increase the integral action time ■1IT; system stability is thus increased, although

its response speed is decreased.

To increase the speed of response to the variations in temperature, increase the derivative action time ■1DT. Caution: a high

value makes the system sensitive to small variations and it may be a source of instability.

Confirm

Discard

Next

Previous

Keypad Lock

Reset temperature recorded

Menu access/autotuning

Autotuning

Controller in stand-by

Probe T1 overrange or failure

Room high temperature alarm

Room low temperature alarm

In tuning: timeout1 error

In tuning: timeout2 error

In tuning: overrange error

In tuning: device not configured correctly

Controller in autotuning

= Alarm

= Tap

= Hold

Cod. 5679193D - 07/2025

TECHNICAL DATA

Power supply

Relay outputs

OUT1 3,6 FLA, 21,6 LRA 240Vac

OUT2 1 FLA, 6 LRA, 240V

Inputs

see table of input specifications

Measurement range

see table of input specifications

Measurement accuracy

see table of input specifications

Operating conditions

-10 … +50°C; 15%...80% r.H.

Reference Norms

EN61000-6-1

EN61000-6-3

EN60730-1

EN60730-2-9

RoHS Directive 2015/863/EU

REACH Directive 2021/979/EU

Front Protection

IP54 by fitting the front gasket

L02AI2C-L02CI1C-L02CI2C-L02DI1C-L02DI2C:

7...30 Vdc / 12Vac ±10%, 3W

In these

versions, the power supply

for the controller and the loads must be

of type SELV or PELV.

L02AM2A-L02CM1A-L02CM2A-L02DM1A:

100...240Vac±10%, 50/60Hz, 3W

FANTINI COSMI S.p.A.

Via dell’Osio, 6

20049 Caleppio di Settala (Mi) - ITALY

Tel. +39 02 956821 - [email protected]

www.fantinicosmi.it

SUPPORTO TECNICO

[email protected]

EXPORT DEPARTMENT

[email protected]

ITA

ISTRUZIONI D’USO

ENG

INSTRUCTIONS FOR USE

L02...A/C/D

-

+

L02CM- / L02CI-

7...30

Vdc

OUT2OUT1

POWER

12

Vac

~

~

6754312

RRW

11910

L02CM- 100...240Vac

L02CI-

-

+

+

-

L02AM- / L02AI2C

7...30

Vdc

OUT2OUT1

POWER

12

Vac

~

~

1110

6754312

L02AM- 100...240Vac

L02AI-

L02DM- 100...240Vac

OUT2OUT1

+

-

POWER

1110

6754312

L02DM- / L02DI-

-

+

7...30

Vdc

12

Vac

~

~

L02DI-

Product specificaties