Rs232 Example Of Wiring; Led An Help To Install; Document History - ADEUNIS LoRaWAN MODBUS MASTER Guide Utilisateur

LoRaWAN MODBUS MASTER - Guide utilisateur / User guide version V2.0.0

4.6. RS232 example of wiring

Associated configuration:
• Register 321 : bit 0 =
1 (RS232)
• Switch :
(RS-485 bus end-of-line resistor)
• Int 1 = OFF
• Int 2 et 3 = OFF (RS-485 bus polarization)

4.7. LED an help to install

In order to help to install the MODBUS device with one or several Modbus slaves, the LEDs of the device can help the user.
After the wiring and starting-up of the device, this one will test the entire configuration (periodical and alarms) to verify that all the requests can
be done between the MODBUS device and all the registers of the slave(s) configured.

5. DOCUMENT HISTORY

Version
V1.0.0
V1.0.1
V1.0.2
V2.0.0
• If no error is detected: a
• If an error is detected: a
Content
Creation
Update
Updates + new specification LoRaWAN
Firmware evolution with new functions (read/write in slave registers, alarm repetition, new
periodic frame, helps to install the device..)
MODBUS SLAVE
RS-232
GND
TX
RX
V+
GND
green LED will be ON during 10 seconds.
red LED will be ON during 10 seconds.
FR
EN
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