Sub-D Connector For Can Bus; Sub-D Adapter From 10-Pin Fb Connector P3 To 9-Pin Sub-D Connector; Table 4-1: Can Bus Pin Assignment (Sub-D-09) - Addi-Data APCI-8001 Option Manual

Positioning and contouring control system
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O
PTIONS MANUAL

4 SUB-D connector for CAN bus

4.1 SUB-D adapter from 10-pin FB connector P3
to 9-pin SUB-D connector
At connector P3, the connectors for the CAN bus are provided as an option. This adapter cable is used to
convert the P3 connector to a 9-pin SUB-D connector. This connector is fitted to a PC slot board. The
conversion results in a different pin assignment than to P3.
CAN is a 2-wire bus system to which all subscribers are connected in parallel. The bus has to be terminated
at each end by a termination resistor of 120 ohms in order to avoid any reflection. This is also required for a
short line length.
On the control unit, there is no line termination available. So it is absolutely necessary for the user to realise
this externally.

Table 4-1: CAN bus pin assignment (SUB-D-09)

Pin
Name
SUB-D
1
2 CAN_LOW
3 GND
4
5
6 GND
7 CAN_HIGH
8
9
Description/comments
CAN data line -
Ground
Ground
CAN data line +
Source
APCI-8001 FB-10-P3.1
APCI-8001 FB-10-P3.3
APCI-8001 FB-10-P3.5
APCI-8001 FB-10-P3.7
APCI-8001 FB-10-P3.9
APCI-8001 FB-10-P3.2
APCI-8001 FB-10-P3.4
APCI-8001 FB-10-P3.6
APCI-8001 FB-10-P3.8
49

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