User Manual

TMC5031-EVAL Manual / Firmware V1.00 (Rev. 1.00 / 2013-FEB-22) 7
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3.1.2.2 RIA Power Connector (2)
Pin
Label
Description
1
GND
Power supply and signal ground
2
+VCC
Operational voltage: +5.5… 18V DC
Table 3.3 Power connector 2
3.1.2.3 Motor Connector Axis 1
Pin
Label
Description
1
O1A1
Motor coil A
2
O1A2
Motor coil A
3
O1B1
Motor coil B
4
O1B2
Motor coil B
Table 3.4 Connector for Step/Dir signals
3.1.2.4 Motor Connector Axis 2
Per default firmware setting, the direction of motor 2 is reversed to compensate for reversed pinning of
the motor connector. The following table shows the real pin assignment on the evaluation board
without reversing the motor direction.
Pin
Label
Description
1
O2B2
Motor coil B
2
O2B1
Motor coil B
3
O2A2
Motor coil A
4
O2A1
Motor coil A
Table 3.5 Connector for Step/Dir signals
3.1.2.5 USB Connector
Pin
Label
Description
1
+5V
+5V supply from host
2
USB-
Differential USB bus
3
USB+
Differential USB bus
4
GND
System and module ground
Table 3.6 USB connector
3.1.2.6 RS232 Connector
Pin
Label
Description
1
GND
RS232 signal and system ground
2
TXD
Transmitted data line
3
RXD
Received data line
Table 3.7 RS232 connector
3.1.2.7 Reference Switch Connector
Pin
Label
Description
1
GND
System and module ground
2
REF_R1
Right reference switch axis 1
3
REF_L1
Left reference switch axis 1
4
REF_R2
Right reference switch axis 2
5
REF_L2
Left reference switch axis 2
6
+5V
+5V output
Table 3.8 Reference Switch connector