17
3
DIN 2
Digital input, channel 1*
4
GND (
-
)
Ground pin.
5
OUT 1
Digital output. Channel 1. Open collector output.
Max. 150mA.
6
OUT 2
Digital output. Channel 2. Open collector output.
Max. 150mA.
Table 2. Socket 2x3 pinout description. *- digital input status 0 … ~2 V – FALSE; ~2,5 V… 30 V– TRUE
*** The described PINOUT is used only for FM3620_C1 hardware configuration!!!
3.8
USB
Mini USB connector
Figure 6. Mini USB type B connector
FM3620 connected to PC creates an STM Virtual COM Port, which can be used as a system
port (to flash firmware and configure the device):
Figure 7. COM-Ports
3.9
Accessories
1 – Wire devices for FM3620_C2
One of the realized features is 1-Wire® data protocol, which enables connection of
thermometer (DS1820, DS18S20 and DS18B20) and I-Button type:
show FM3620_C2 and 1-wire® device connection schemes).