30 ATR171 -
User manual
13
Lo.L.s.
Lower Limit Setpoint
AI lower limit selectable for setpoint.
-999..+9999 digit
4
(degrees if temperature),
Default
: 0.
14
up.L.s.
Upper Limit Setpoint 2
AI2 upper limit setpoint.
-999..+9999 digit
4
(degrees i f temperature),
Default
: 1750.
15
c.pro.
Command Process
Selects process value related to command output and visualized on display 1.
This determinates which is the primary process
pro.1
Process 1 (
Default
)
pro.2
Process 2
Mean
Process mean
diff.
Processes difference
abs.d.
Processes difference as absolute value
16
rem.s.
Remote Setpoint
Enables remote setpoint. Command setpoint is the secondary process. It works
if
pro.1
or
pro.2
is selected on parameter
c.pro.
.
dis.
Disabled (
Default
)
en.
Enabled
17
act.t.
Command Action Type
Regulation type for command output
Heat
Heating (N.O.) (
Default
)
cool
Cooling (N.C.)
H.o.o.s.
Lock command above SPV. Example: command output is not activated
when reaching setpoint, even with P.I.D. value other than 0.
18
c. Hy.
Command Hysteresis
Hysteresis in ON / OFF or dead band in P.I.D.
-999..+999 digit
4
(tenth of degree if temperature), Default: 0.0.
19
c. re.
Command Rearmament
Type of reset for contact of command output (always automatic in P.I.D.
functioning)
a.re.
Automatic Reset (
Default
)
m.re.
Manual Reset by keyboard.
m.re.s.
Manual reset stored. (keeps relay status also after an eventual power
failure)
4
The display of the decimal point depends on the setting of parameter
sen
. and
d.p. 1
or
sen.2
and
d.p. 2.
Summary of Contents for ATR 171
Page 1: ...ATR 171 Controller Regolatore User manual Manuale d uso...
Page 2: ......
Page 91: ......
