Iris Diagnostics, a Division of Iris International, Inc.
iQ
®
200 Sprint™ (2G) Automated Urine Microscopy Analyzer Service Manual 300-4949 Rev A 01/2005 3-29
3. Components
OBA SIC #101-5053
The OBA (Optical Bench Assembly) SIC incorporates all of the signals
from the optical bench. The interface to SMCS backplane J14 is through
a 20-wire ribbon cable (J1). The OBA SIC translates the unipolar stepper
drive signals from the SSMB to bipolar drives suited for the micro-stepper
used in the OBA. The OBA SIC reads the sense signals from the stepper
motor assembly to limit movement in the event of reaching a motion limit
in one direction or the other. The OBA SIC is physically mounted on the
OBA.
The OBA SIC connectors are summarized in table below.
Connector Type Connects to Function
J1
20-pin
ribbon
header
Backplane J14 Main signals to SMCS
J2
12-pin
female
ESN
Focus Stepper
Motor P1
Stepper Motor Phase Coils
J6
12-pin
female
ESN
OBA thermistors P1 OBA ESN
J7
12-pin
female
ESN
Not used Camera tethered ESN
J8
12-pin
female
ESN
Not used
Strobe Trigger Unit tethered
ESN
J9
12-pin
female
ESN
Not used Strobe Bulb tethered ESN
J10
12-pin
female
ESN
Not used Strobe Bulb tethered ESN
J11
12-pin
female
ESN
Not used Flow Cell tethered ESN
J12
12-pin
female
ESN
Focus Position
Optical Sensors P1
Iris config.: Dual opto-focus
home. Newport config.:
end limits for linear actuator.
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