Setup
Connections
maxon motor control
3-12
Document ID: rel7777
EPOS4 Positioning Controller
Edition: December 2017
EPOS4 EtherCAT Card Hardware Reference
© 2017 maxon motor. Subject to change without prior notice.
Table 3-6
Connector arrays – Pin assignment
Array
A
Array
B
Pin
Signal
Description
Pin
Signal
Description
A1
–
Connect to
EtherCAT OUT X15 | 4
B1
TX+_OUT
EtherCAT OUT
Transmission Data+
A2
–
Connect to
EtherCAT OUT X15 | 5
B2
TX−_OUT
EtherCAT OUT
Transmission Data−
A3
–
Connect to
EtherCAT OUT X15 | 7
B3
RX+_OUT
EtherCAT OUT
Receive Data+
A4
–
Connect to
EtherCAT OUT X15 | 8
B4
RX−_OUT
EtherCAT OUT
Receive Data−
A5
–
Connect to
EtherCAT IN X14 | 4
B5
TX+_IN
EtherCAT IN
Transmission Data+
A6
–
Connect to
EtherCAT IN X14 | 5
B6
TX−_IN
EtherCAT IN
Transmission Data−
A7
–
Connect to
EtherCAT IN X14 | 7
B7
RX+_IN
EtherCAT IN
Receive Data+
A8
–
Connect to
EtherCAT IN X14 | 8
B8
RX−_IN
EtherCAT IN
Receive Data−
A9
LED_EtherCAT_OUT
Link activity of port
EtherCAT OUT X15
B9
LED_EtherCAT_IN
Link activity of port
EtherCAT IN X14
A10
–
not connected
B10
–
not connected
A11
LED_Status_red
EtherCAT status “Error”
B11
LED_Status_green
EtherCAT status “Run”
A12
Shield
Cable shield
B12
SPI_SOMI
SPI Slave output/Master
input
A13
GND
Ground
B13
SPI_SIMO
SPI Slave input/Master
output
A14
GND
Ground
B14
SPI_CLK
SPI clock
A15
–
not connected
B15
SPI_CS2
SPI chip select 2
A16
–
not connected
B16
SPI_IRQ
SPI interrupt request
A17
GND
Ground
B17
–
not connected
A18
+V
CC
Nominal power supply
voltage (+10…+70 VDC)
B18
–
not connected