User guide

EG_GenPro2xe_1003_UG_005_UK Page 56 / 63
Descriptions and non-contractual illustrations in this document are given as an indication only.
ERCO&GENER reserves the right to make any modifications.
Dct_427_00
8.2.3.4 Bus One Wire – GenPro 23e
As an option on the GenPro 23e, it is possible to have an input Bus One Wire instead of the opto-coupled
input E3.
Table: Characteristics of bus One Wire
Parameters Condition Min. Typ. Max. Unit
V
IL
Input Voltage – Low -0.3 0.8 V
dc
V
IH
Input Voltage – High 2 3.3 3.6 V
dc
R
PULLUP
Internal Pull-Up Resistor 100 K
C
IN
Input Capacitance 14 pF
F
max
100 KHz
Internal Wiring Diagram of One Wire bus
8.2.4 Sim Interface
Table: Characteristics of the SIM card supply tension
SIM card 3 V ou 1.8 V