Ercogener GenPro 425e - Multi One Wire Input (Option)

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Descriptions and non-contractual illustrations in this document are given as an indication only.
ercogener reserves the right to make any modifications.
Dct_427_02
3.9.4 Multi One Wire input (option)
The option Multi One Wire allows the reading of all 1-wire devices with the possibility to have several
devices on the same bus.
This option Multi 1-wire cannot be used with embedded applications, but can be directly
controlled with an EGM development. Contact us.
Table 31 : Description of Multi 1- Wire Bus
Signal
Pins N°
Connector
I/O
Kind of I/O
Description
Bus One Wire
GND
2 Connector 2 pins
3 Connector 4 pins
I/O
Digital
Bus Multi One
Corresponds to wires
2 - Blue for Bus One Wire
3 - Black for GND
Table 32 : Multi One Wire Bus - Electrical characteristics
Characteristics
Symbols
Conditions
Min.
Typ.
Max.
Unité
Input Voltage – Low
V
IL
-0.3
0.9
V
DC
Input Voltage – High
V
IH
1.9
3.3
V
DC
Input Leakage Current
I
LEAK
-10
10
µA
DC
Input capacitance
C
IN
10
pF
Output Low-level Voltage
V
OL
@ charge 4mA
0.4
V
DC
Output High-level Voltage
V
OH
@ charge 4mA
2.8
3.3
V
DC
Figure 18 : Internal electrical scheme of Multi 1-Wire Bus