Studer MBC 12-08 - Can Bus Network Connection

19
IGB
OPERATING
BASIC STATE OF BATTERY CHARGER
FEMALE CONNECTOR (DB 9)
Description
CAN BUS terminator (124 ohm)
CANL signal - CAN BUS interface
Battery charger negative
Not used
Earth
Not used
CANH signal - CAN BUS interface
Basic state of the battery charger (+V output, 20mA max)
+5Vdc (10 mA max)
PIN 8 connection
HIGH IMPEDENCE
+V OUTPUT
State
OFF OR PROBLEMS PRESENT
ON OR NO PROBLEMS PRESENT
For a wiring example of control signals look at figure 3b.
CAN BUS NETWORK CONNECTION
When making the data interface connection (CANH and CANL signals) use an unscreened cable
with a twisted pair (cross-section 0.25/ 0.35 mm
2
AWG 22/24, impedance 100/150 ohm).
The maximum total length of the data signal cable should be no more than 100 m.
Activate the terminator at the first and last device connected to the network.
If there is only one device, the terminator does not need to be activated.
An example of a network connection is given below:
PIN
1
2
3
4
5
6
7
8
9
The position and description of the signals on the connector are listed below:
CAN-H(7) CAN-L(2) TERM(1) CAN-H CAN-L TERM CAN-H CAN-L TERM CAN-H CAN-L TERM
*
Optional devices.
***
TEMPERATUR
BATTERIES
SENSOR
MBC
BATTERY
CHARGER
CURRENT
SENSOR
LCD
TERMINAL