21
7 Logging and data connections
7.5 CAN format
The FCPM provides data through the CAN interface. Signals can be sent to the FCPM
or transmitted from it.
7.5.1 CAN data to FCPM
The CAN network operates at 500kbits/sec.
Variable Name
CAN message ID Byte Bit 0 Bit 1 Bit 2 Bit 3 Bit 4 Bit 5 Bit 6 Bit 7
Cyclic Counter
extended
(d512 + slave ID)
(h200 + slave ID)
extended
0
X
X
X
Run
X
Sleep (on Rise, when Master Off)
X
Disable Sleep Timeout
X
Disable Charger
X
Target Output Voltage [V]
1
X
X
X
X
X
X
X
X
Regen Voltage Delta [V]
2
X
X
X
X
X
X
X
X
Disable Regen
3
X
Charge Current Limit [A]
X
X
X
X
X
X
X
SPM Power Limit [W]
4
X
X
X
X
X
X
X
X
Reserved
5
R
R
R
R
R
R
R
R
Reserved
6
R
R
R
R
R
R
R
R
Reserved
7
R
R
R
R
R
R
R
R
Of the values that are not digital.
Variable Name
CAN message ID
Scale
(units per bit)
Offset
(units)
Bits
Maximum
Value
Transferable
Minimum
Accepted
Maximum
Accepted
Target Output
Voltage [V]
extended
(d512 + slave ID)
(h200 + slave ID)
0.1
0
10
102.3
40.0
70.0
Regen Voltage
Delta [V]
0.1
0
6
6.3
2.0
5.0
Charge Current
Limit [A]
0.1
0
7
12.7
0.1
7.5
SPM Power Limit
[W]
10
0
8
2550
500.0
2000.0