Use Of The Green Keys - Serial Link - ABB 691HT Operating Instructions Manual

Lo V a l = 0
H i V a l = 1 4 . 0 0 0
L O W H I G H D I S P
T R I M T R I M L I M I T
A p p l y a H i V a l
h i g h e r t h a n L o V a l
W A R N I N G - loop may be
returned to auto
S E R I A L L I N K
DBASE MODEM LOAD
MODE MODE PROG
H a n d T e r m i n a l r e a d y T
f o r s e r i a l l i n k
c o m m u n i c a t i o n
H T i n M o d e m M o d e
NOTE : Do not introduce change, on the value read, of more that 5%
m V
of the URL at once. If this limit is exceeded a message will be
m V
displayed ( see the relevant section of this manual ).
The Communicator accepts the first five digits of the input. Small
differences, of the order of the 0.003% of the URV, on the reading,
are tolerated.
The introduced value is sent to the transmitter: the usual blinking T
appears in the upper right corner of the display signalling that a
communication is on course. Right after the display at side appears
showing the modified value.
PRO
CEED
The procedure to trim the high value is the same: pressing the F2 key the
following message appears: proceed then as for low trimming.
NOTE : Do not attempt to apply, as Hi Val, a negative value or a value
too close to zero or within the minimum span. In this case the
operation will abort and an error message is displayed.
For best results perform a low trimming, a high trimming and a low
PRO
trimming again. To exit from the trimming procedure press ESCAPE : the
CEED
following display appears. Take note of it and then press PROCEED: the
display returns to the Sensor Trimming menu.

USE OF THE GREEN KEYS - SERIAL LINK

As already explained it is possible to connect, using an RS 232 serial
connection, the Hand Held Communicator with a Personal Computer in
order to:
- use the Communicator to store transmitters configurations downloaded
from the P.C. Configurator or to transfer to the P.C. Database the
transmitter configurations previously stored in the Communicator
Database.
- use the Communicator as a Bell 202 Modem, connecting a Personal
Computer to the transmitter.
Pressing the Green key SERIAL LINK or the key F3 in the Main Menu the
top display appears, allowing the choice amoung DataBASE MODE,
MODEM MODE and LOAD PROG. By pressing F1 or F2 respectively
appear the second or the third display. In the Database Mode a small T
is blinking in the upper right corner of the display when a serial
communication is on course. During the Serial Link mode the
Communicator is under the control of the Host P.C. until the ESCAPE Key
is pressed.
The F3 key LOAD PROG is used when an upgrade of the installed
software is required. This operation is performed in the production factory.
If a software upgrade is required, refer to your nearest Service Center.
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