Item Specifications Comments
Voltage Range -10 to +10V 10V: (A-B) / (A+B) = 1
-10V: (A-B) / (A+B) = -1 #gain=1
Data rate 5 msec U-AFA2M: 10 msec
Zero cross point 1 Around focal point
linearity Monotonic Our standard sample
+0.4>(A-B) / (A+B)>-0.4
Gain Adjustment 0.1 to 10X Adjustable via RS232C
Clipping Voltage -10 to +10V Adjustable via RS232C
Signal Sign Positive: Above the focal point (Near)
Negative: Below the focal point (Far)
Reversible via RS232C
(3) Focus Status Judgement Signal
Label: S-LOCK
Description: In-Capture and In-Focus signals.
Function: Informing Focus status ("H" ≥ 4.0 V, "L" ≤ 0.5 V )
Connector type: D-SUB15 (female)
Pin No. Pin Name Pin No. Pin Name
1 N.C. 9 N.C.
2 N.C. 10 GND
3 N.C. 11 N.C.
4 N.C. 12 N.C.
5 N.C. 13 N.C.
6 In-Capture signal 14 In-Focus signal
7 N.C. 15 N.C.
l
BXC-CBE1 has sets of default values of TH(In-capture) and TH(In-focus), corresponding to each objective lens. The
values can be changed.
l
In-Capture / In-Focus / GND pin assignments are the same as U-AFA2M. However, other signals are assigned to
different pins. Therefore, all pins except In-Capture/In-focus/GND signals must be N.C.(No Connect)
20
3.11 Setting up BXC-FSU3. Setup procedures
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