Siel SOLEIL 3F-TL10K, Installation And Operation Manual

Page: 151 / 277

IV351 Rev04
Date Issue 2015-04-21
Page 151 di 277 + FR
9.6 Modbus Card
INSTALLATION AND CONNECTION:
The PCB SERMB is an accessory for the PV Inverter series.
The installation has to be done with the unit OFF.
Don’t install the PCB if you see damaged on it.
i
Before installing the PCB, it is necessary to configure the dip-switch as indicate on
following page. ( the factory setting are: mode 1, Baud-Rate 9600 )
i
Connect the RS485/RS422 line to the connector on front panel, as show on Fig 1.
It is suggested to use twisted cable section 0.22mm
2
, (AWG24)
*1
.
i
If in the RS485 is connected one PV Inverter only, or if the PV Inverter is the last in the
serial connection, it is necessary to set the SW3-4 to ON position.
i
If in the RS422 is connected one PV Inverter only, or if the PV Inverter is the last in the
serial connection, it is necessary to set both SW3-3 and SW3-4 to ON position.
i
Fit the PCB in the SLOT and fix the protection cover ( supply with the PV Inverter ), then
it can guarantee the additional water protection to the device.
i
Start the PV Inverter and verify the PCB.
ig.1: RS 485/RS422 connections
1
.
The GND connection can help to cancel offset problem between the devices, or it can be connected to cable shield where present to limit
the interference.