33
Technical data
and start-up
NLG5 charger
6.8.4.8
Pin 11 TXD, Pin 12 RXD
INFORMATION
This interface is NOT intended for general use! It is designed for firmware updates, the programming
of charging profiles and the monitoring or adapting of CAN parameters. Should you have any
questions, please contact BRUSA support at the manufacturer address given in chapter
.
Internal wiring
200
Ω
2x
470p
Pin 12
RXD
Pin 11
TXD
200
Ω
2x
±15V
RS232
Transceiver
2x
470p
The RS232 interface enables a direct, serial connection between the charger and a PC. Through the
ChargeStar
software, charging profiles can be programmed or CAN parameters can be adapted. See chapter
The firmware for the microprocessor can be downloaded via this interface (provided by BRUSA). Pin 13
PRO
must be
high
for this.
The running operational data of the charger can be read / displayed via this interface.
6.8.4.9
Pin 13 PRO
INFORMATION
This pin is only activated for the programming of a new firmware (pin 13
PRO
=
high
). For this
pin 3
PON
must be
low
.
Internal wiring
22k
10k
470p
100n
±
48V
+5V
1,3V
3,3V
Schmitt
Trigger
Pin 13
PRO
As soon as pin 13 PRO is high, the following processes are activated:
The charging process is terminated (reset) if this is active.
Pin 4
FLT
is activated.
The programming of the firmware can now be carried out via the serial interface.
You can find details on this in the manual
NLG5_FW-Update.
