Narada NPFC Series, Operation Manual

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20 20 Annex Annex 3 3
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Communication Protocol for RS232 and RS485 Communication Protocol for RS232 and RS485
LiFePO LiFePO
4 4
Battery Battery Module Module for for Telecom Telecom Operation Operation Manual Manual
Annex 3 Annex 3
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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 and front panel for up-link communication between batter module and
upper computer, and one RS485 port in front panel for cascade communication for battery upper computer, and one RS485 port in front panel for cascade communication for battery
modules connected in parallel. modules connected in parallel.
Annex Table 3.1 Annex Table 3.1
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RJ11 Pins Assignment (RS232) RJ11 Pins Assignment (RS232)
RJ11 RJ11 Pins Pins Definition Definition Sketch Sketch
1 1
GND GND
2 2
Pack receipt, Pack receipt,
computer delivery computer delivery
3 3
Pack delivery, Pack delivery,
computer receipt computer receipt
4 4
No connection No connection
Annex Table 3.2 Annex Table 3.2
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RJ45 Pins Assignment (RS485) RJ45 Pins Assignment (RS485)
RJ45 RJ45 Pins Pins Definition Definition Sketch Sketch
1 GND 1 GND
2 RS485_A 2 RS485_A
3 RS485_B 3 RS485_B
4,5,6,7,8 4,5,6,7,8 No No connection connection