Series PC Manual V 1.0 - Rev. 3
– 03/01/01
DS Europe
24
figure 12
: grounding.
11. WARNING LEDs
A pair of LEDs are soldered onto the internal printed ciruitry: and they show the transducer
inner working status. (
fig. 15
).
11.1. GREEN LED
Green LED shows that the transducer is powered and that there is a serial data
transmission with the external computer throught the RS485 output.
The LED is normally blinking with a 0,5Hz frequency and when there is a data
transmisssion there is an overimposed frequency modulation that follows the data
transmission
Green LED blinking description
11.2. YELLOW LED
Yellow LED shows information about the inner transducer way of working and also about
errors ( listed in the table) during the transducer working and when calibrating with push
buttons.
“X” and “Y” blinking codes: “X” shows the kind of error and “Y” which cursor generates the
error.
Blinking code
“X”
Code
“Y” Code
Normal transducer condition
1
Number of set cursor ( 1 or 2 ).
No STOP signal on transducer
2
Number of cursor generating the error ( 1 or 2 ).
Not calibrated cursor
3
Number of cursor generating the error ( 1 or 2 ).
Unstringed cursor ( lost cursor )
4
Number of cursor generating the error ( 1 or 2 ).
The blinking is like a “binary” code where the beginning of the status blinking is a long
pulse and between X and Y codes there is a pause with LED off.