CMC OilQSens OQ 3000, User Manual

Page: 18 / 36

cmc Instruments GmbH 18
version 3.6-05/18
7.2 CAN BUS INTERFACE (optional)
The standard setting for the CAN Bus speed is 1Mbit.
The standard CAN address registers are ID 200, ID 201 as shown in table 1.
Reg. Parameter # Bytes
Scaling
factor
Example Value
200
Temperature
[°C]
2 Bytes 1/2.55 0040 25.098
200
Rel. permittivity
3 Bytes 0.000001 31e6bd
3.270333
200
Elec. conductivity
[pS/m]
3 Bytes 0.1 000071
11.3
201
Compens. rel.
permittivity
3 Bytes 0.000001 32220b
3.285515
201
Compens. elec.
conductivity [pS/m]
3 Bytes 0.1 0000d8 21.6
Tab. 1 : CAN bus data transmission format.
For the correct connection of the CAN module please refer to the information below:
Fig. 6: CAN bus connection scheme, pin 2 CAN-Low and pin 7 CAN-High.