Narada NPFC Series - Communication Protocol for RS232 and RS485

20 20
Annex Annex
33
––
Communication Protocol for RS232 and RS485Communication Protocol for RS232 and RS485
LiFePOLiFePO
44
Battery Battery
Module Module
for for
Telecom Telecom
Operation Operation
ManualManual
Annex 3Annex 3
––
Communication Protocol for RS232 and RS485Communication Protocol for RS232 and RS485
There is one RS232 port in There is one RS232 port in
front panel for up-link communication between batter module andfront panel for up-link communication between batter module and
upper computer, and one RS485 port in front panel for cascade communication for batteryupper computer, and one RS485 port in front panel for cascade communication for battery
modules connected in parallel.modules connected in parallel.
Annex Table 3.1Annex Table 3.1
––
RJ11 Pins Assignment (RS232)RJ11 Pins Assignment (RS232)
RJ11 RJ11
Pins Pins
Definition Definition
SketchSketch
11
GNDGND
22
Pack receipt,Pack receipt,
computer deliverycomputer delivery
33
Pack delivery,Pack delivery,
computer receiptcomputer receipt
44
No connectionNo connection
Annex Table 3.2Annex Table 3.2
––
RJ45 Pins Assignment (RS485)RJ45 Pins Assignment (RS485)
RJ45 RJ45
Pins Pins
Definition Definition
SketchSketch
1 GND1 GND
2 RS485_A2 RS485_A
3 RS485_B3 RS485_B
4,5,6,7,8 4,5,6,7,8
No No
connectionconnection