Setup
Connection Specifications
maxon motor control
EPOS4 Positioning Controller
Document ID: rel8399
3-73
EPOS4 Module/Compact 50/8 Hardware Reference
Edition: November 2018
© 2018 maxon motor. Subject to change without prior notice.
3.4.10.2
Compact CAN
Table 3-62
RS232 – Pin assignment
Compact/CB
Connector
Pin
Signal
Description
X10 | 1
EPOS_RxD
EPOS RS232 receive
X10 | 2
GND
Ground
X10 | 3
EPOS_TxD
EPOS RS232 transmit
X10 | 4
GND
Ground
X10 | 5
Shield
Cable shield
RS232 Interface
Max. input voltage
±30 VDC
Output voltage
typically ±9 V @ 3 kΩ to GND
Max. bit rate
115’200 bit/s
RS232 transceiver
EIA RS232 standard