Note:
-
Do not connect with the N.C. pin.
-
The internal circuit is insulated by optocoupler.
-
The output is turned of except for the weighing mode.
-
When this unit is conformed to CE mark applicable, connect the screen with F.G.
terminal of BCD output.
17.2.5
I/O equivalent circuits
The I/O equivalent circuits for the BCD output are given below.
Approx. 12 V
2.2 kΩ
430 Ω
INPUT
0.047 μ
COM. 3
Input equivalent circuit
Output equivalent circuit
OUTPUT
COM. 3
Open collector rating:
V
CE
= 35 V DC, I
C
= 20 mA DC MAX
An internal circuit is insulated by optocoupler.
17.2.6
Timing chart
The following chart shows the BCD output timing.
Example 1: Normal
ON
ON
ON
ON
ON
ON
ON
ON
DATA
POL.
P. C.
100 times/s: approx. 10 ms
20 times/s: approx. 50 ms
4 times/s: approx. 250 ms
100 times/s: approx. 5 ms
20 times/s: approx. 25 ms
4 times/s: approx. 125 ms
Note:
When P.C., DATA and POL. are all output, the output transistor switch turns ON
(negative logic).
Weight Controller CSD-918
17 Options
EN-146
Minebea Intec
Summary of Contents for CSD-918 Series
Page 239: ......
