TMCM-342 Manual V1.01
10/26
Copyright © 2008, TRINAMIC Motion Control GmbH & Co. KG
5.3
Host Communication
Communication to a host takes place via one or more of the onboard interfaces. The module provides
a wide range of different interfaces, like CAN, RS-232 and RS-485. The following chapters explain how
the interfaces are connected with the 68-pin connector.
5.3.1
CAN 2.0b
Pin Number
Direction
Name
Limits
Description
65
InOut
CAN -
-8…+18V
CAN Input / Output
67
InOut
CAN +
-8…+18V
CAN Input / Output
Table 5.2: Pinout for CAN Connection
Pin 2
Pin 1
TMCM-342
68-Pin-Connector
Pin67: CAN+
Pin65: CAN-
Host
CAN+
CAN-
Figure 5.2: Connecting CAN
5.3.2
RS-232
Pin Number
Direction
Name
Limits
Description
66
In
RxD
TTL
RS-232 Receive Data
68
Out
TxD
TTL
RS-232 Transmit Data
2, 4, 6, 8, 10
In
GND
0V
Connect to ground
Table 5.3: Pinout for RS-232 Connection
Note: The module only provides serial signals with TTL level. For using RS232, a suitable RS232 level
shifter (like MAX202) has to be added by the user.
