Connections
Connectors
© 2017 maxon motor. Subject to change without prior notice.
maxon motor control
4-28
Document ID: rel7748
EPOS2 Positioning Controller
Edition: November 2017
EPOS2 24/2 Hardware Reference
4.2.2.2
RS232 Communication
C
ONNECTION
OF
P
OSITIONING
C
ONTROLLER
TO
PC
Note
• Consider your PC's serial port maximal baud rate.
• The standard baud rate setting (factory setting) is 115'200 bauds.
4.2.2.3
Analog Inputs 1 and 2
By default, the analog inputs are defined as “General Purpose” and may be configured via software.
Figure 4-25
AnIN1 Circuit (analogously valid also for AnIN2)
Max. input voltage
±30 V
Output voltage
typically ±9 V @ 3 k
Ω
to Ground
Max. bit rate
115 200 bit/s
Internal RS232 driver/receiver
EIA RS232 Standard
EPOS2 24/2
PC Interface (RS232), DIN41652
Connector [J2] Pin [3] “EPOS RxD”
Pin 3 “PC TxD”
Connector [J2] Pin [4] “EPOS TxD”
Pin 2 “PC RxD”
Connector [J2] Pin [5] “GND”
Pin 5 “CAN_GND” Ground
AnIN1
AnIN2
A_Gnd
Connector [J2] Pin [6]
Connector [J2] Pin [7]
Connector [J2] Pin [8]
Input voltage
0…5 VDC
Max. input voltage
±30 VDC
Input resistance
typically 47 k
Ω
(referenced to A_Gnd)
A/D converter
12-bit
Resolution
0.0012 V
Bandwidth
5 kHz