80209C_MHW_850-1650-1850_20-2020_ENG_pag. 44
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Figure 19 - 7-segment font
3.1.2.2. Scrolling messages
The SV (850) and F (1650 and 1850) displays can show
scrolling alphameric messages. These messages, up to 32
characters in length, appear:
• during configuration, describing the active parameter;
• during functioning, after the tripping of alarms, digital
inputs and logic function outputs, if the relative
messages were enabled
Message texts can be set via PC with GF_eXpress software.
There are 3 message groups, one for each of the 3 languages
LAnG provided, selectable from the HMI menu with the
parameter.
Each group contains up to 25 messages.
By setting LAnG=NONE the subdivision of the three groups
is lost, obtaining up to 75 messages settability
3.2. Sequence at power-on
The following diagram shows the controller sequence at power-on.
Note: the USB-TTL programming cable must be disconnected.
9. Program code self-diagnostics.
10. Configuration read by EEPROM.
11. Check of data consistency. *
12. Recognition of available options.
Initialization of input and
output devices based on configuration.
DISPLAY ON
All display segments are on.
3 flashes at interval of about 1 second
CONTROL ON
As per the set configuration.
** MANUAL
CONTROL
AUXIN +
PID2
HOME
The displays show the
process variable and
the % value of power.
HOME
You have 2 home page.
The home page on the display in use is
identified by its number, which alternates,
at the top left, with the symbol ° C or ° F.
HOME
The displays show
the process variable,
the setpoint or other
defined parameter.
Power On
AUTOMATIC/MANUAL switching via key
or digital input or serial communication.
False
False
True
True
(*) Any error is signaled by the message EEPROM CHECKSUM ERROR.
(**) Only if MANUAL mode was used before the controller was powered off.
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