Yokogawa Electric Corporation - TC10 - ENGINEERING MANUAL - PAG. 21
operative range (e.g. 100°C). When the temperature
in the chamber is steady, take note of the temperature
measured by the reference system (e.g. 98°C).
5.
Set [141] A.H.P = 100 (low working point) and [142]
A.H.o
= +2
(it is the difference between the reading of the
instrument and the reading of the reference system). Note
that after this set the measured value of the instrument is
equal to the measured value of the reference system.
AH.P 100°C
AH.o = 2
AL.o = -1
AH.P 10°C
Real curve
Modified curve
The most important step of the configuration procedure is
completed.
In order to exit from configuration parameter procedure,
proceed as follows:
•
Push
button.
•
Push
button for more than 3 s. The instru-
ment will come back to the “standard display”.
6. PARAMETER PROMOTION
Another important step of the instrument configuration is due
to the possibility to create a custom HMI (interface) in order
to make the instrument easy to use for the operator and
comfortable for the assistance.
By a special procedure, named promotion, the OEM can
create two parameter subsets.
The first one is the “limited access” level. This subset is protected
by the password programmed by [118] PAS2 parameter.
The last subset is the “Operator” set (Level1). This level is
NOT password protected.
Notes: 1.
The “limited access” parameter are collected in a list.
2.
The sequence of the “limited access” parameters
is programmable and can be made according to
your needs.
3.
The parameter sequence of the operator level is
the same programmed for “limited access” level
but only specified parameters can be displayed
and modified. This set must be create according
to your requirements.
6.1 PARAMETER PROMOTION PROCEDURE
The limited access parameter set is a list, so that, before to
start promotion procedure, we suggest to operate as follows:
1.
Prepare the exact parameter list you want to make
accessible for limited access.
2.
Number the desired parameters in the same sequence
you want to have in the limited access.
3.
Define which of the selected parameter will be available
in Operator level also.
Example:
I would like to obtain the following limited access list:
OPEr
Operative mode selection;
SP
First set point;
SP2
Second set point;
A.SP
Set point selection;
AL1
Alarm 1 threshold;
AL2
Alarm 2 threshold;
Pb
Proportional band;
ti
Integral time;
td
Derivative time;
Aut.r
Manual start of the auto-tune.
But I want that the operator to be able to change: the
operative mode, the SP value and the AL1 value. In this
case the promotion will be the following:
Parameter
Promotion
Limited Access
Operator
- OPEr -
o 1
OPEr
OPEr
- SP -
o 2
SP
SP
- SP2 -
A 3
SP2
- A.SP -
A 4
A.SP
- AL1 -
o 5
AL1
AL1
- AL2 -
A 6
AL2
- Pb -
A 7
Pb
- ti -
A 8
ti
- td -
A 9
td
- Aut.r -
A 10
Aut.r
Now, proceed as follows: