4B F500 Elite - Page 9

Watchdog NTC to F500 PGW CAI REV0 July 2014
9
The Profibus connections are shown below and are identical to the standard Profibus
DSUB connections.
The status LED’s are grouped in a single block of four and indicate the following status.
Led 1 Status
Colour
Frequency
Description
-
-
Not Used
Led 2 Status
Colour
Frequency
Description
Green
Solid on
Module is ON-LINE and data exchange is possible
Led 3 Status
Colour
Frequency
Description
Red
Solid on
Module is OFF-LINE and data exchange is not possible.
Led 4 Status
Colour
Frequency
Description
Red
1 Hz
Interface board initialisation failure
Red
2 Hz
Network configuration does not match module configuration
Red
4 Hz
Initialisation failure of the Profibus interface IC
Pin
Signal
Description.
1
N/C
No connection
2
N/C
No connection
3
B line
Positive RxD/TxD according to RS485 specification
4
RTS
Request to send
5
GND BUS
Isolated ground connection
6
+5V BUS
Isolated +5V connection
7
N/C
No Connection
8
A line
Negative RxD/TxD according to RS485 specification
9
N/C
No Connection