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Shimadzu SPD-20A User Manual

Shimadzu SPD-20A
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228-90095F
4
8
8.3.1.5 Motor drive and home position det
ection circuits
Item Points to check
Grating motor does not turn (grating moves)
R/C around M2, M3, M4,
M8, M27, M28, J8, RA8 --
RA10, M19, M2/4/8
Grating motor does not turn (no display) M14, M21, J4
Filter motor does not turn (filter moves) M9, M19, J7, Q2, Q3, R26
Motor drive
circuit
Filter motor does not turn (no display) M14, M21, J4
Detector circuit
M21 (CPLD)
writing
Lamp motor does not turn (filter moves)
R/C around M3, M19, M6,
J6, M3/6
Motor drive
circuit
Lamp motor does not turn (no display) M14, M21, J3
Detector circuit
M21 (CPLD)
writing
8.3.1.6 Analog data output circuit
Item Allowable range Points to check
Output value out of
range
0V: 0 ±0.1 mV across
J17-J18
100V: 100 ±0.1 mV
R/C around M30, M31, J18,
J17, M30
R/F around C90/91
8.3.1.7 Detector input circuit and monitor input circuit
Item Allowable range Points to check
“SMPL EN”, ”REF
EN)” malfunction
SMPL EN = 2500 ±100
REF EN = 2500 ±100
R/C around M13, M20, M22,
M23, M24, M33, J13
Abnormal “LEAK
SENSE” or ”LEAK
ROOM” values
LEAK SENSE = 530 ±30
LEAK ROOM=255 ±30
R/C around M16, J10
Abnormal
“RADIATOR T”
values
RADIATOR T = 530 ±30
M34, R50, R102, R103, R105,
D22
8.3.1.8 Contact output and event input circuits
Item Allowable range Points to check
Time program does not stop
M14, M32, K1, K2, J16, R70,
R71, F18 -- F21
8.3.1.9 Cooling fan control circuit
Item Allowable range Points to check
Does not control M12, J19
8.3.1.10 Flow cell temperature-c
ontrol circuit
Item Allowable range Points to check
Cell temp control
display malfunction
CELL TEMP=40 ±1 J19, M13, M19, R35, D7

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Shimadzu SPD-20A Specifications

General IconGeneral
BrandShimadzu
ModelSPD-20A
CategorySecurity Sensors
LanguageEnglish

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