Eaton XV400, Руководство по эксплуатации

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5 Installation
5.3 Cable preparation
36
MICRO PANEL XV400 10.4"/12.1"/15"
12/2010 MN04802010Z-EN www.eaton.com
5.3.8 CAN
The CAN interface is electrically isolated.
Tab. 16 Pin assignment of CAN interface in accordance with CiA
Wiring

Shielded twisted pair cables must be used.
Tab. 17 Cable specifications
Fig. 19 CAN interface (9-pin, D-Sub, male, UNC)
Pin Signal Assignment
1 - nc
2 CAN-L Bus line (dominant low)
3 CAN-GND CAN Ground
4 - nc
5 - nc
6 GND Optional CAN Ground
7 CAN-H Bus line (dominant high)
8 - nc
9 - nc


Pin 3 (CAN-GND) and 6 (GND) are connected internally in the device.

nc: Pins 1, 4, 5, 8 and 9 must not be connected.

The CAN bus drivers are fed internally with power.

No power supply for third-party devices is implemented on the CAN connector.
1 2 3 4 5
6 7 8 9
Cable specifications
Rated surge impedance 120 Ω
Permissible surge impedance 108…132 Ω
Capacitance per unit length < 60 pF/m
Core cross-section / max. cable length ≥ 0.25 mm
2
/ 100 m
≥ 0.34 mm
2
/ 250 m
≥
0.75 mm
2
/ 500 m