EVCO EC4432 User Manual
Page 3

3
EC 4-432E 3/95
CONFIGURATION PARAMETERS
CODE PARAMETER
DESCRIPTION
MIN
MAX
U.M.
ST
–/0
REGULATOR SELECTION
1=1 absolute and 1 relative setpoint;
0 3
----
2
2=2 absolute setpoint;
3=dead zone.
(1) PA
PASSWORD
-55
+99
----
/
PROBE
/0
kind of probe
30 = 4-20 mA ; 31 = 0-20 mA
30
31
----
30
(1) /1
calibration (measure offset)
-9.0
+10
%rH
0
/2
digital filter (speed response) 0=0s; 1=0.4s; 2=1.2s; 3=3.0s; 4=8.0s; 5=19.8s; 6=48.0s
0
6
----
3
/4
without leading zeros
0=NO; 1=YES
0
1
----
0
/5
with decimal point
0=NO; 1=YES
0
1
----
0
/6
start of scale for input 0-20 mA or 4-20 mA corrispondent to input's minimum value
-99
999
%rH
0
/7
end of scale for input 0-20 mA or 4-20 mA corrispondent to input's maximum value
-99
999
%rH
100
rA/rB
HUMIDITY REGULATOR
rA=refered to setpoint 1; rB=refered to setpoint 2
(1),(2) rA/rB0 regulator hysteresis (differential)
-99
+999
%rH
0
rA/rB1 minimum setpoint admitted
-99
+999
%rH
0
rA/rB2 maximum setpoint admitted
-99
+999
%rH
100
rA/rB3 output action 0=direct (dehumidify); 1=reverse (humidify)
0
1
----
1
rA/rB4 hysteresis selection
0=asymmetric; 1=symmetric
0
1
----
0
rA/rB5 setpoint adjustement locking
0=unlocked; 1=locked
0
1
----
0
CA/CB OUTPUTS ACTIVATION DELAY
CA=refered to output 1; CB=refered to output 2
CA/CB0 output activation delay since instrument power-on
0
999
sec
0
CA/CB1 after start delay
0
999
sec
0
CA/CB2 after stop delay
0
999
sec
0
CA/CB3 relay output status in case of probe failure
0=OFF; 1=ON
0
1
----
0
CA/CB4 ON and OFF delay
0=no delay; 1=3sec
0
1
----
0
AA/Ab ALARM
AA=refered to alarm 1; Ab=refered to alarm 2
AA/Ab0 alarm hysteresis (differential)
1
+99
%rH
0
AA/Ab1 alarm setpoint
-99
+999
%rH
0
AA/Ab3 alarm disabling time since instrument power-on
0
999
min
0
AA/Ab4 alarm mode
see table 1
1
L
NETWORK CONNECTION
L1
instrument address
1
15
----
1
L2
instrument group
0
7
----
0
notes
(1) = configuration parameter on LEVEL 1
(2) = represents dead zone value if parameter –/0=3.
TABLE 1
parameter AA/Ab4 alarm mode
1
disabled
2
absolute minimum alarm
3
absolute maximum alarm
4
minimum alarm relative to setpoint 1
5
maximum alarm relative to setpoint1
6
minimum alarm relative to setpoint 1
with automatic enabling and recompute
7
maximum allarm relative to setpoint 1
with automatic enabling and recompute