User guide

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Descriptions and non-contractual illustrations in this document are given as an indication only.
ERCO&GENER reserves the right to make any modifications.
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8.2.3 Inputs/Output – GenPro 23e
The GenPro 23e provides 3 opto-coupled inputs (E1 to E3) and 1 open-collector output (S1).
As an option, it is possible to have an analog input instead of the opto-coupled input E2.
8.2.3.1 Opto-coupled Inputs – GenPro 23e
Table: Diode Characteristics of the opto-coupled inputs
Characteristics Symbols Conditions Min. Typ. Max. Unit
max. current I
F (rms)
50 mA
max. inverted tension V
R
5 V
Direct tension V
F
I
F
= 10 mA 1.0 1.15 1.3 V
Inverted current I
R
V
R
= 5 V 10 µA
Capacity C
T
V=0, f = 1 MHz --- 30 --- pF
Transfer Ratio I
C
/ I
F
I
F
= 5 mA, V
CE
= 5 V 50 --- 600 %
Saturation of the transfer ratio I
C
/ I
F (SAT)
I
F
= 1 mA, V
CE
= 0.4 V 60 %
Internal electric scheme of the 3 inputs
The minimum of voltage command for voltage detection is: 5 V
The maximum voltage command is : 35 V