Technical data • Individual components
116
Power Panel 500 user's manual V1.40
3.4.5.3.1 CAN bus interface
CAN bus
The electrically isolated CAN bus interface is a 8-pin connector.
Transfer rate
Max. 500 kbit/s
Cable length
Max. 1000 meters
Pin
Assignment
1
-
2
-
3
-
4
CAN⊥
(CAN ground)
5
SHLD (shield)
6
SHLD (shield)
7
CAN_L (CAN Low)
8
CAN_H (CAN High)
8-pin male connector
Table 71: 5PP5IF.FCAN-00 - CAN bus interface
3.4.5.3.2 LED status indicators
LED status indicators
LED
Color
Status
Description
On
Sending data
CAN
Yellow
Off
Receiving data
Green
On
Interface module active
LED status
Red
On
CPU starting up
On
Terminating resistor switched on
TERM LED Yellow
Off
Terminating resistor switched off
CAN LED
LED
TERM
LED status
Terminating switch
Table 72: 5PP5IF.FCAN-00 - LED status indicators
3.4.5.3.3 CAN terminating switch
LED
TERM
Terminating switch
Figure 50: CAN terminating switch
A CAN terminating resistor is integrated on the interface board. It can be turned on and off with a switch on the
front. An active terminating resistor is indicated by the TERM LED.
3.4.5.4 Updating firmware
The firmware is a component of Automation Studio. The module is updated to this version automatically.
To update the firmware included in Automation Studio, the hardware must be upgraded (see "Project manage-
ment" / "Automation Studio upgrade" in the Automation Studio help system).