21
5.5
Charger mode
At startup, charger sends boot-up message
CAN-ID: 700h + node-ID, DLC: 1, data: 0
Charger sends heartbeat message once per second
CAN-ID: 700h + node-ID, DLC: 1, data: 05h
Charger sends SYNC message once per second
CAN-ID: 080h, DLC: 0
Charger enters operational state automatically. Charger sends some other CAN messages related
to automatic group functionality.
Charging parameters
These CANopen SDO objects are used to configure charging parameters.
index sub-
index
format unit
range
default
value
item
2000h 01
uint16
1
algorithm number
2000h 02
uint16 Ah
50...2000 50
battery capacity
2000h 03
uint16
6...50
12*
number of cells
2000h 04
uint16 mA
0...65535 0
base load
2000h 05
uint16 mOhm 0...99
0
cable resistance
* number of cells is set at the factory according to nominal voltage; 12 cells for 24 V model, 18 for
36 V model, 24 for 48 V model.
These settings are nonvolatile.
Measurements or monitoring
In software version 7 and later, measurements are available via Powerfinn power supply mode
messages, which work also in charger mode. See chapter "Powerfinn power supply mode"