KEOPSYS CEFA-C-PB-HP - Mode of Operation; Alarms and Warning Description

User’s Manual
Published on February 2017 UMn°154 – rev.05 20
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The electrical board answer is ended by:
!
OK
*
Command unknown
#
Not authorized
$
Command not valid
5.3. Mode of operation
Mode of operation meaning
Value
Name
Description
0
OFF
Pumps diodes are off. Attention: it doesn't mean that laser emission is disabled.
1
ACC
Automatic Current Control. See §3.3.1 for more information.
2
APC
Automatic Power Control. See §3.3.2 for more information. Optional
5.4. Alarms and Warning description
The answer returned by ALA command is an hexadecimal value of 8 characters. You have to convert it
in binary and read the activated alarms using following table:
Alarms meaning
Bit N#
Type
Description
"ON" conditions
31
Not used
30
Not used
29
Not used
28
27
26
25
24
23
22
21
Board temperature error
CAT < TCL or CAT > TCH
20
Power supply error
power supply too low or too high
19
GPIO Key OFF activated
Key pin on the interface is low
18
17
16
15
Low input power
IPW < IPT1 for ID1 > I1T
14
Low output power
OPW<OPT1 for ID2 > I2T
13
12
11
Preamp current error
ID1>LCM1
10
Booster current error
ID2>LCM2
9
8
7
6
5
4
3
Preamp temperature error
TD1 < 15°C or TD1 > 45°C
2
1
0
Alarm = pump diodes are shutdown