Evco EC3L30 Manuale Utente Pagina 2
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- the configuration parameters values get stored in a non volatile memory even if a
lack of power supply happens.
CONFIGURABILITYCONFIGURABILITY
CONFIGURABILITYCONFIGURABILITY
CONFIGURABILITY
WORKING SETPOINT
LABEL MIN. MAX. U.M. ST. WORKING SETPOINT
r1 r2 °C 0 working setpoint
It establishes the temperature associated to the output K 1.
CONFIGURATION PARAMETERS
LABEL MIN. MAX. U.M. ST. MEASURE INPUT
/1 -15 +15 °C 0 calibration
It establishes a threshold to add algebraically to the signal coming from the measure input (for
instance to correct the signal).
LABEL MIN. MAX. U.M. ST. ON-OFF TEMPERATURE REGULATOR ASSOCIATED TO THE
WORKING SETPOINT AND TO THE OUTPUT K 1
r0 +1 +15 °C +2 hysteresis (differential)
It establishes the hysteresis (differential) relative to the working setpoint.
r1 -40 +99 ° C -40 minimum working setpoint programmable
It establishes the minimum working setpoint programmable; the instrument automatically veri-
fies if the value established with the parameter r1 is below the maximum working setpoint
programmable established with the parameter r2.
r2 -40 +99 ° C +99 maximum working setpoint programmable
It establishes the maximum working setpoint programmable; the instrument automatically
verifies if the value established with the parameter r2 is above the minimum working setpoint
programmable established with the parameter r1.
r3 0 1 --- 0 “cooling” or “heating” functioning
It establishes the output functioning, as indicated:
0 = “cooling” functioning
1 = “heating” functioning.
LABEL MIN. MAX. U.M. ST. OUTPUT K 1 PROTECTION
C0 0 15 min. 0 disabling time to the output activation from the instru-
ment start
It establishes the time that disables the output activation from the moment of the instrument
start.
SIGNALS AND ALARMSSIGNALS AND ALARMS
SIGNALS AND ALARMSSIGNALS AND ALARMS
SIGNALS AND ALARMS
SIGNALS
If the LED L1 is turned ON it means that the output K 1 is activated.
ALARMS
If the instrument displays the indication “E2” flashing (corrupted memory data alarm) it means
that there is a corruption of the configuration data in the memory (turn OFF and turn ON again
the instrument: if to the turning ON again the alarm does not disappear the instrument must be
replaced); during this alarm the access to the working setpoint setting and the configuration
parameters setting procedures is refused and the output K 1 gets forced to the status OFF.
If the instrument displays the indication “E0” flashing (probe failure alarm) it means that: the
kind of connected probe is not proper (verify the kind of connected probe), the probe is faulty
(verify the probe integrity), there is a mistake in the instrument-probe connection (verify the
instrument-probe connection integrity), the temperature read by the probe is outside the limits
permitted by the probe in use (verify that the temperature near the probe be inside the limits
permitted by the probe); during this alarm the output K 1 gets forced to the status OFF.
ADDITIONAL INFORMATIONS
- the alarm codes are related in order of precedence.
TECHNICAL DATECHNICAL DA
TECHNICAL DATECHNICAL DA
TECHNICAL DA
TT
TT
T
AA
AA
A
TECHNICAL DATA
Case: plastic black (PC-ABS), self-extinguishing.
Size: 74 x 32 x 65 mm (2.91 x 1.25 x 2.55 in.).
Installation: panel mounting, panel cutout 71 x 29 mm (2.79 x 1.14 in.),
with the equipped screw or spring brackets.
Type of protection: IP 54.
Connections: screw terminal blocks with pitch 5 mm (0.19 in., power
supply, measure input and output) for cables up to 2.5 mm²
(0.38 in.²).
Ambient temperature: from 0 to +60 °C (+32 to +140 °F, 10 ... 90 % of not con-
densing relative humidity).
Power supply: 230 Vac, 50/60 Hz.
Measure inputs: 1 for NTC probes.
Working range: from -40 to +99 °C.
Setting range: from -40 to +99 °C.
Resolution: 1 °C.
Display: 2-digit display 12.5 mm (0.49 in.) high red LED display
with automatic minus sign, output status indicator.
Outputs: one change-over contact 8 (3) A @ 250 Vac relay for regu-
lation load management.
HOW TO ORDERHOW TO ORDER
HOW TO ORDERHOW TO ORDER
HOW TO ORDER
CODING SYSTEM
Instrument name: EC 3-L30.
Desired measure input: N (for NTC probes).
Desired power supply: 220 (230 Vac).
2 3
1
2
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