DeguDent SOLARIS
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Service Manual
1.8
21 Jan 2005
36 of 43
DeguDent SOLARIS Service Manual
13.3 Preparing for calibration
13.3.1 Testing preparations
-
Set digital multimeter to measure current
-
Connect
mA
contact of the multimeter with the Solaris anode
-
Connect multimeter
COM
successively with the corresponding cathodes (slots 1..8, reference)
13.3.2 Test for error band compliance
Command
Explanation
Test condition
xt
Turn off display backlight.
sio, 0
Turn off automatic offset calculation.
sip,0
Deactivate power mode.
sia, 0
sir, 0
Output the smalles possible bit value (0
bits) on all channels and on the
reference.
Measure current
I(0)
at all slots and at
the reference.
( )
A
I
µ
150
0
7
..
0
≤
( )
A
I
ref
µ
150
0
≤
sia, 4095
sir, 4095
Output the largest possible bit value
(4095 bits) on all channels and on the
reference.
Measure current
I(4095)
at all slots and
at the reference.
(
)
mA
I
70
4095
7
..
0
≥
(
)
mA
I
ref
35
4095
≥
sia, 2048
sir, 2048
Output the medium bit value (2048 bits)
on all channels and on the reference.
Measure current
I(2048)
at all slots and
at the reference.
(
)
( )
(
)
mA
I
I
I
1
2
4095
0
2048
7
..
0
7
..
0
7
..
0
±
+
=
(
)
( )
(
)
mA
I
I
I
ref
ref
ref
5
,
0
2
4095
0
2048
±
+
=
sia, 0
sir, 0
Output the 0 bits on all channels and on
the reference.
sip,1
Activate power mode.
si2,0
si5,0
Measure electric current at slots 3 and
6.
( )
mA
I
2
0
5
,
2
≤
si2,4095
si5,4095
Measure electric current at slots 3 and
6.
(
)
mA
I
280
4095
5
,
2
≥
si2,2048
si5,2048
Measure electric current at slots 3 and
6.
(
)
( )
(
)
mA
I
I
I
4
2
4095
0
2048
5
,
2
5
,
2
5
,
2
±
+
=
13.3.3 Notes
IMPORTANT:
The test for error band compliance must always be conducted before any
calibration procedure.
Procedure on error:
If at least one of the test conditions is not met, the unit cannot be calibrated
properly. In this case please contact the manufacturer.
