EVCO EC3432 - Manual (Page 2)

long as the parameter rA5 gets set to 0
- if the parameter rB5 has value 1 the second working setpoint can not be modified as
long as the parameter rB5 gets set to 0
- the working setpoint values get stored in a non volatile memory even if a lack of
power supply happens.
CONFIGURATION PARAMETERS SETTING
Configuration parameters are arranged on two levels, to protect the most tricky settings against
undesirable violations and they are arranged in families that can be recognized through the
initial letter of the label.
To gain access to the first level keep pushed at the same time for four seconds at least the keys
T1 and T2 (passed four seconds the instrument displays the label PA).
To select a parameter of the first level push and release over and over the key T1 or T2 as long
as the instrument displays the label of the desired parameter.
To modify the parameter value keep pushed the key T3 (the instrument displays the actual
value) and at the same time push and release over and over the key T1 or T2 as long as the
instrument displays the desired value (keeping pushed the key T1 or T2 the value gets de-
creased or increased more quickly); after the modification release the key T3 last (to the
release of the key T3 the instrument displays the label of the parameter again).
To gain access to the second level enter inside the first level and select the label PA.
Keep pushed the key T3 (the instrument displays the actual value) and at the same time push
and release over and over the key T1 or T2 as long as the instrument displays -19 (keeping
pushed the key T1 or T2 the value gets decreased or increased more quickly): after the modi-
fication release the key T3 last (to the release of the key T3 the instrument displays the label PA
again); keep pushed at the same time for four seconds at least the keys T1 and T2 (passed four
seconds the instrument displays the first parameter of the second level).
To select a parameter of the second level push and release over and over the key T1 or T2 as
long as the instrument displays the label of the desired parameter.
To modify the parameter value keep pushed the key T3 (the instrument displays the actual
value) and at the same time push and release over and over the key T1 or T2 as long as the
instrument displays the desired value (keeping pushed the key T1 or T2 the value gets de-
creased or increased more quickly); after the modification release the key T3 last (to the
release of the key T3 the instrument displays the label of the parameter again).
To turn out from the configuration parameters setting procedure keep pushed at the same time
for four seconds at least the keys T1 and T2 or do not operate with the keys for fifty seconds
at least (time-out exit).
ADDITIONAL INFORMATIONS
-
for the whole period of a corrupted memory data alarm the access to the configura-
tion parameters setting procedure is refused
- the modification of a parameter value which unit of measure is the hour or the
minute or the second has not immediate effect; to obtain this effect it must not be
executed during the course of the value
- the configuration parameters values get stored in a non volatile memory even if a
lack of power supply happens.
CONFIGURABILITY CONFIGURABILITY CONFIGURABILITY CONFIGURABILITY CONFIGURABILITY
WORKING SETPOINT
LABEL MIN. MAX. U.M. ST.
WORKING SETPOINT
rA1 rA2 % r.H. 0.0 first working setpoint
If the parameter -/0 has value 1 or 2 it establishes the relative humidity associated to the
output K 1, if the parameter -/0 has value 3 it establishes the relative humidity associated to the
outputs K 1 and K2.
rB1 rB2 % r.H. 0.0 second working setpoint
It establishes the relative humidity associated to the output K 2.
CONFIGURATION PARAMETERS
LABEL MIN. MAX. U.M. ST.
PASSWORD
PA -90 100 --- 0 password (§)
It is the password that permits to gain access to the second level.
LABEL MIN. MAX. U.M. ST.
KIND OF REGULATOR
-/0 1 3 --- 2 kind of regulator
It establishes the kind of regulator, as indicated:
1 = first working setpoint independent and the second relative to the first
2 = first and second working setpoint independent
3 = “neutral zone”.
LABEL MIN. MAX. U.M. ST. MEASURE INPUT
/0 30 31 --- 30 kind of probe
It establishes the kind of probe that the instrument must recognize to its measure input, as
indicated:
30 = 2 and 3 wires 4-20 mA humidity transducer
31 = 2 and 3 wires 0-20 mA humidity transducer.
/1
-9.0 +10.0 % r.H. 0.0 calibration (§)
It establishes a threshold to add algebraically to the signal coming from the measure input (for
instance to correct the signal).
/2
0 6 --- 3 digital filter
It establishes a time constant to apply to the signal coming from the measure input, as indi-
cated:
0 = 0 sec. 1 = 0.4 sec.
2 = 1.2 sec. 3 = 3.0 sec.
4 = 8.0 sec. 5 = 19.8 sec.
6 = 48.0 sec.
/4 0 1 --- 0 leading zeroes displaying
It establishes if to display the leading zeroes, as indicated:
0 = the leading zeroes get not displayed
1 = the leading zeroes get displayed.
/5 0 1 --- 1 decimal point
It establishes the resolution with which the relative humidity gets displayed, as indicated:
0 = the relative humidity gets displayed with the resolution of the unit of measure
1 = the relative humidity gets displayed with the resolution of 1/10 of the unit of measure.
/6 -99 +999 points 0.0 lower end of scale for 0/4-20 mA input (it coincides with
the minimum calibration value of the transducer)
It establishes the lower end of scale for 0/4-20 mA input and it must coincide with the mini-
mum calibration value of the transducer.
/7
-99 +999 points +100 upper end of scale for 0/4-20 mA input (it coincides with
the maximum calibration value of the transducer)
It establishes the upper end of scale for 0/4-20 mA input and it must coincide with the maxi-
mum calibration value of the transducer.
LABEL MIN. MAX. U.M. ST.
ON-OFF RELATIVE HUMIDITY REGULATOR ASSOCIATED
TO THE FIRST WORKING SETPOINT AND TO THE OUTPUT
K 1
rA0 -99 +99.9 % r.H. -0.2 hysteresis (differential) (§)
It establishes the hysteresis (differential) relative to the working setpoint.
If the parameter -/0 has value 3 the parameter rA0 establishes the “neutral zone” value.
rA1
-99 +999 % r.H. 0.0 minimum working setpoint programmable
It establishes the minimum working setpoint programmable; the instrument automatically veri-
fies if the value established with the parameter rA1 is below the maximum working setpoint
programmable established with the parameter rA2.
rA2
-99 +999 % r.H. +100 maximum working setpoint programmable
It establishes the maximum working setpoint programmable; the instrument automatically
verifies if the value established with the parameter rA2 is above the minimum working setpoint
programmable established with the parameter rA1.
rA3
0 1 --- 1 “dehumidifying” or “humidifying” functioning
It establishes the output functioning, as indicated:
0 = “dehumidifying” functioning
1 = “humidifying” functioning.
rA4 0 1 --- 0 kind of hysteresis (kind of differential)
It establishes the kind of hysteresis (kind of differential), as indicated:
0 = asymmetrical
1 = symmetrical.
rA5 0 1 --- 0 locking of the working setpoint modification
It establishes if to prevent the modification of the working setpoint, as indicated:
0 = the working setpoint can be modified
1 = the working setpoint can not be modified as long as the parameter rA5 gets set to 0.
LABEL MIN. MAX. U.M. ST. ON-OFF RELATIVE HUMIDITY REGULATOR ASSOCIATED
TO THE SECOND WORKING SETPOINT AND TO THE OUT-
PUT K 2
rB0 -99 +99.9 % r.H. -0.2 hysteresis (differential) (§)
It has the same significance of the parameter rA0.
rB1
-99 +999 % r.H. 0.0 minimum working setpoint programmable
It has the same significance of the parameter rA1.
rB2
-99 +999 % r.H. +100 maximum working setpoint programmable
It has the same significance of the parameter rA2.
rB3
0 1 --- 1 “dehumidifying” or “humidifying” functioning
It has the same significance of the parameter rA3.
rB4
0 1 --- 0 kind of hysteresis (kind of differential)
It has the same significance of the parameter rA4.
rB5
0 1 --- 0 locking of the working setpoint modification
It has the same significance of the parameter rA5.
LABEL MIN. MAX. U.M. ST.
OUTPUT K 1 PROTECTION
CA0 0 999 sec. 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.
CA1 0
999 sec. 0 disabling time to the output activation from the previous
activation
It establishes the time that disables the output activation from the moment of the previous
output activation.
CA2 0
999 sec. 0 disabling time to the output activation from the previous
deactivation
It establishes the time that disables the output activation from the moment of the previous
output deactivation.
CA3 0
1 --- 0 output status during a probe failure alarm
It establishes the status to which the output gets forced during a probe failure alarm, as indi-
cated:
0 = during a probe failure alarm the output gets forced to the status OFF
1 = during a probe failure alarm the output gets forced to the status ON.
CA4 0 1 --- 0 disabling time to the output activation and deactivation
It establishes if to disable the output activation and deactivation for a fixed time, as indicated:
0 = inactive
1 = the output activation and deactivation get disabled for 3 sec.
LABEL MIN. MAX. U.M. ST. OUTPUT K 2 PROTECTION
CB0 0 999 sec. 0 disabling time to the output activation from the instru-
ment start
It has the same significance of the parameter CA0.
CB1 0
999 sec. 0 disabling time to the output activation from the previous
activation
It has the same significance of the parameter CB1.
CB2 0
999 sec. 0 disabling time to the output activation from the previous
deactivation
It has the same significance of the parameter CB2.
CB3 0
1 --- 0 output status during a probe failure alarm
It has the same significance of the parameter CB3.
CB4 0
1 --- 0 disabling time to the output activation and deactivation
It has the same significance of the parameter CB4.
LABEL MIN. MAX. U.M. ST.
RELATIVE HUMIDITY ALARM REGULATOR ASSOCIATED
TO THE FIRST RELATIVE HUMIDITY ALARM
AA0 +0.1 +99.9 % r.H. +0.1 hysteresis (differential)
It establishes the hysteresis (differential) relative to the parameter AA1.
AA1 -99
+999 % r.H. 0.0 alarm setpoint
It establishes the relative humidity to which the relative humidity alarm gets activated accord-
ing with the modality established with the parameter AA4.
AA3 0
999 min. 0 disabling time to the alarm activation from the instru-
ment start
It establishes the time that disables the relative humidity alarm activation from the moment of
the instrument start.
AA4 1
7 --- 1 kind of alarm
It establishes the kind of relative humidity alarm that the instrument must manage, as indi-
cated:
1 = the relative humidity alarm never gets activated
2 = absolute lower relative humidity alarm
3 = absolute upper relative humidity alarm
4 = lower relative humidity alarm relative to the first working setpoint
5 = upper relative humidity alarm relative to the first working setpoint
6 = lower relative humidity alarm relative to the first working setpoint with automatic
recomputation and reenabling
7 = upper relative humidity alarm relative to the first working setpoint with automatic
recomputation and reenabling.
LABEL MIN. MAX. U.M. ST. RELATIVE HUMIDITY ALARM REGULATOR ASSOCIATED
TO THE SECOND RELATIVE HUMIDITY ALARM
Ab0 +0.1 +99.9 % r.H. +0.1 hysteresis (differential)
It has the same significance of the parameter AA0.
Ab1 -99
+999 % r.H. 0.0 alarm setpoint
It has the same significance of the parameter AA1.
Ab3 0
999 min. 0 disabling time to the alarm activation from the instru-
ment start
It has the same significance of the parameter AA3.
Ab4 1
7 --- 1 kind of alarm
It has the same significance of the parameter AA4.
LABELMIN. MAX. U.M. ST.
CONNECTION IN A SERIAL NETWORK WITH EVCOBUS
PROTOCOL COMMUNICATION
L1 1 15 --- 1 instrument address
It establishes the address to which the instrument (slave) answers when it is connected to a
serial network with EVCOBUS protocol communication managed from a master (for instance a
Personal Computer).
L2
0 7 --- 0 instrument group
It establishes the group to which the instrument (slave) answers when it is connected to a
serial network with EVCOBUS protocol communication managed from a master (for instance a
Personal Computer).
ADDITIONAL INFORMATIONS
-
the symbol (§) indicates that the parameter is of the first level
- if the parameter -/0 has value 3 the parameters of the family rB do not exist.
SIGNALS AND ALARMS SIGNALS AND ALARMS SIGNALS AND ALARMS SIGNALS AND ALARMS SIGNALS AND ALARMS
SIGNALS
If the LED L1 is turned ON it means that the output K 1 is activated.
If the LED L2 is turned ON it means that the output K 3 is activated.
If the LED L1 flashes it means that a count of a disabling time to the output K 1 activation is
running (see the parameters CA0, CA1, CA2 and CA4).
If the LED L2 flashes it means that a count of a disabling time to the output K 2 activation is
running (see the parameters CB0, CB1, CB2 and CB4).
If the instrument displays the indication “
≡≡≡ ≡≡≡ ≡≡≡ ≡≡≡ ≡≡≡ ” it means that the working setpoint can not be
modified (see the parameters rA5 and rB5).
ALARMS
If the instrument displays the indication “E2” flashing and the buzzer utters an intermittent
beep (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
all outputs get forced to the status OFF.
If the instrument displays the indication “E0” flashing and the buzzer utters an intermittent
beep (probe failure alarm) it means that: the kind of connected probe is not proper (see the
parameter /0), the probe is faulty (verify the probe integrity), there is a mistake in the instru-
ment-probe connection (verify the instrument-probe connection integrity), the relative humid-
ity read by the probe is outside the limits permitted by the probe in use (verify that the relative
humidity near the probe be inside the limits permitted by the probe); during this alarm the
output K 1 gets forced to the status established with the parameter CA3 and the output K 2 gets
forced to the status established with the parameter CB3.
If the instrument displays the indication “AL1” flashing alternated to the relative humidity read
by the probe and the buzzer utters an intermittent beep (first relative humidity alarm) it
means that the relative humidity read by the probe is outside the limit established with the
parameter AA1 (see the parameters AA0, AA1 and AA4); inactive.
If the instrument displays the indication “AL2” flashing alternated to the relative humidity read
by the probe and the buzzer utters an intermittent beep (second relative humidity alarm) it
means that the relative humidity read by the probe is outside the limit established with the
parameter Ab1 (see the parameters Ab0, Ab1 and Ab4); inactive.
ADDITIONAL INFORMATIONS
-
if the parameter /0 has value 31 during a probe failure alarm given by a mistake in
the instrument-probe connection the instrument displays the indication “0” flash-
ing and the buzzer utters an intermittent beep
- the alarm codes are related in order of precedence.
TECHNICAL DA TECHNICAL DA TECHNICAL DA TECHNICAL DA TECHNICAL DAT T T T TA A A A 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 outputs) for cables up to 2.5
mm² (0.38 in.²), five poles single line male connector with
pitch 5.08 mm (0.2 in., serial port).
Ambient temperature: from 0 to +60 ° C (+32 to +140 ° F, 10 ... 90 % of not con-
densing relative humidity).
Power supply: 12 Vac/dc or 12-24 Vac/dc, 50/60 Hz, 1.5 VA.
Insulation class: II.
Alarm buzzer: incorporated.
Measure inputs: 1 configurable for 2 and 3 wires 0/4-20 mA humidity trans-
ducers (Ri 56 Ohm); at terminal 12 +12 V (+30 %, -20 %)
are available to supply the transducer.
Working range: configurable.
Setting range: all the working range.
Resolution: configurable for 0.1 or 1 % r.H.
Display: 3-digit display 12.5 mm (0.49 in.) high red LED display
with automatic decimal point, output status indicators.
Outputs: two 6 (3) A @ 250 Vac relays (NO and change-over con-
tact) for regulation loads management.
Serial port: TTL with EVCOBUS protocol communication, for the con-
nection to the CLONE configurer/cloner and RICS supervi-
sion systems.
HOW TO ORDER HOW TO ORDER HOW TO ORDER HOW TO ORDER HOW TO ORDER
CODING SYSTEM
Instrument name:
EC 3-432.
Desired measure input: I (for 2 and 3 wires 0/4-20 mA humidity transducers).
Desired power supply: 012 (12 Vac/dc),
024 (12-24 Vac/dc).
Options: custom configuration, green LED display, SSR outputs.
2 3