TMCM-3212, TMCM-3213 Hardware Manual (V1.10 / 2016-AUG-24)
Connector and mating connector overview:
9
Label
Connector type
Mating connector type
RS485
Molex MicroFit™,
Molex MicroFit™, 436500315
Housing: 43645-0300
Contacts: 43030-0007
e.g. Standard CAT 5 / CAT 5e cables may
be used
1x4 pin header, 3mm pitch
CAN
USB
RJ45 plug connector
Micro-USB connector, type B
(USB device interface)
Standard Micro-USB
Inputs
Molex MicroFit™,
Molex MicroFit™, 430451012
2x5 pin header, 3mm pitch
Housing: 43025-1000
Contacts: 43030-0007
Molex MicroFit™,
Housing: 43025-0800
Contacts: 43030-0007
Outputs
Molex MicroFit™, 430450812
2x4 pin header, 3mm pitch
Table 5.1 TMCM-3212 interface brick: connectors and mating connectors
5.1.1 RS485 connector
There are two RS485 connectors on the board with the same pin assignment – pins directly connected to each other. The second connector
may be used for attaching a bus termination resistor to the RS485 bus (there is no termination resistor on-board) or for further distribution
of the RS485 bus signals to other RS485 communication nodes while maintaining a proper bus structure.
A three pin Molex MicroFit™ connector (Molex part no. 436500315) is used for RS485 connection. Mating connector housing e.g. Molex
43645-0300, contacts Molex 43030-0007. Please note that there are alternative options available from Molex for both, housing and
contacts.
Pin
1
Label
Direction
Power
Description
GND
Supply and signal ground
3
1
2
RS485+
RS485-
Bi-directional
Bi-directional
RS485 interface, diff. signal (non-inverting)
RS485 interface, diff signal (inverting)
3
Table 5.1: Interface Brick: RS485 connector
5.1.2 CAN connector
There are two CAN connectors on the board with the same pin assignment – pins directly connected to each other. The second one may
be used for attaching a bus termination resistor to the RS485 bus (there is no termination resistor on-board) or for further distribution of
the CAN bus signals to other CAN nodes while maintaining a proper bus structure.
A standard RJ45 plug connector is used for CAN communication. Standard CAT cables (e.g. CAT 5, non-crossing) might be used for
connection. Pin assignment of the RJ45 is based on the CiA 303-1 recommendation.
Pin
1
Label
CAN_H
Direction
Bi-Directional
Bi-directional
Power
Description
CAN interface, diff signal (non-inverting)
CAN interface, diff signal (inverting)
Supply and signal ground
2
CAN_L
GND
n.c.
3
4
1
8
5
n.c.
6
n.c.
7
n.c.
8
n.c.
Table 5.2 Interface Brick: CAN connector
5.1.3 USB connector
The TMCM-3212 / TMCM-3213 offers a Micro USB connector (Type B, device interface) for communication. The USB interface supports
USB high speed communication (12Mbit/s). With USB attached the digital logic part of the TMCM-3212 / TMCM-3213 will be supplied via
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