8. PARAMETER SETTING (Continued)
Complete Parameters Table
The parameters is listed under 8 groups which is alarm, control, input, output, communication, system, set
point and Field Parameters.
Parameter
Parameter Ttile
Description
Range of
Setting
HiAL
High Limit Alarm
Alarm turns on when PV>HIAL
Alarm turns off when PV<HIAL-AHYS,
Set to the maximum value to disable the alarm.
Alarm output location can be defined by parameter AOP. All alarms can be
assigned to AL1, AL2, AU1, AU2 or none. More alarm allocation is explained
in AOP section below.
-9990~
+32000 units
LoAL
Low Limit Alarm
Alarm turns on when PV<LoAL
Alarm turns off when PV>LoAL+AHYS
Set to the minimum value to disable the alarm.
HIAL and LoAL can be assigned as deviation alarms. Details please refer to
the description of parameter AF.
HdAL
Deviation High
Alarm
Alarm turns on when PV-SV>HdAL;
Alarm turns off when PV-SV<HdAL-AHYS
Set to the maximum value to disable the alarm.
LdAL
Deviation Low
Alarm
Alarm turns on when PV-SV<LdAL
Alarm turns off when PV-SV>LdAL+AHYS
Set to the minimum value to disable the alarm.
HdAL and LdAL can be assigned as absolute high limit and low limit alarms.
Details please refer to the description of parameter AF.
AHyS
Alarm Hysteresis
Also known as dead band or lag. To avoid frequent alarm on-off action caused
by the fluctuation of PV. Usage of AHYS is shown above.
0~2000 units
AdiS
Alarm Display
oFF
: Hide alarm messages in the lower display
on
: Alternately display alarm message in the lower display [Recommended]
oFF
/
on
AOP
Alarm Output
Position
Assign alarm (HdAL/LdAL/LoAL/HiAL) to different module slot position
(AL1/AL2/AU1/AU2)
AOP Code
HdAL
LdAL
LoAL
HiAL
0
: Disabled
1
: AL1 (ALM slot)
N/A
N/A
N/A
N/A
2
: AL2 (ALM slot)
N/A
N/A
N/A
N/A
3
: AU1 (AUX slot)
4
: AU2 (AUX slot)*
Example:
AOP
=
3303
HdAL and LdAL are sent to AU1. LoAL is disabled. HiAL is sent to AU1.
L3 dual relay output module must be install in AUX slot to use AU2.
0~6666
CtrL
Control Mode
onoF
: on-off control, for situation not requiring high precision
APid
: advanced artificial intelligence PID control. (Recommended)
nPId
: standard PID algorithm with anti integral-saturation function (no in-
tegral when PV-SV > proportional band)
onoF
/
APid
/
nPid
Srun
Running Status
run
: Control is in effect. “PRG” indicator lights up.
StoP
: Control is stopped. Lower display keeps flashing
StoP
. “PRG” indi-
cator goes off.
HoLd
: Control is paused.
StoP
/
run
/
HoLd
ALARM
