FEC AFC1500 User Manual
Page 34

DB9 Connector
DB9 Connector (male)
1
5
6
9
5
1
9
6
RBC
BA
RBDA/ERR
(female)
Daughter board
Indication LED
Green if voltage is OK
UL - Voltage OK at bus
5
Green when monitoring layer 2
BA - Bus Active
4
Green if cable connection good & master not
in reset
CC - Cable Check
3
Green if PCP channel is carried on Interbus
TR - Transmit/Receive
2
Red when outgoing bus is disabled
RBDA - Remote Bus Disable
1
Status LEDs
Watchdog LED- There is one additional bicolor Watchdog LED on the
interface board (inside unit). After the module is initialized by the application,
the LED with flash in a 1 sec. interval if running properly. Prior to
initialization by the application then the LED with flash with a 2 second
interval.
PE
PE Earth Ground
Shield
/DI1
RXD-
Pin 7
/DO1
TXD-
Pin 6
Pin 5
Pin 4
ISOGND
Isolated Ground
Pin 3
DI1
RXD+
Pin 2
DO1
TXD+
Pin 1
InterBus connectors- BUS IN
Chapter 3: Control Interfaces
34