Minebea CSD-581-15 - 7−1−2. Open Collector Output Signal; 7−1−3. Equivalent Circuit

50
7−1−2. Open collector output signal
Terminal 2
Terminal No.
Name Operation
1 RUN ON when the instrument is in the Measurement mode.
OFF at the time of CHECK ON.
2 ERROR ON when various kinds of errors are occurred.
3 COM. Common for open collector output
(Terminals 2: Terminal No. 1 and 2)
 ● The COM. Port for the signal of external control input and open
collector output are connected internally.
● Open collector output synchronizes with display rate.
7−1−3. Equivalent circuit
(1) External control input section
＋5V
470Ω
INPUT
COM.
680Ω
0.1μ
(2) Open collector output section
V
CE
=DC30 V, Ic=30 mA MAX.
COM.
OUTPUT