Atlas Copco Power Focus 4000 - Page 226

Fieldbus
226 (428) 9836 3123 01
BUS-IN (9-pin D-sub male)
Pin
Name
Housing
PE
1
DO1
2
DI1
3
GND
4
Not used
5
Not used
6
/DO1
7
/DI1
8
Not used
9
Not used
BUS-OUT (9-pin D-sub female)
Pin
Name
Housing
PE
1
DO2
2
DI2
3
GND
4
Not used
5
GND
6
/DO2
7
/DI2
8
Not used
9
RBST
Always connect RBST to GND if it is not the last module on the bus. If the RBST is not
connected to GND on the output connector, the Power Focus InterBus module will terminate
the outgoing bus.
Functionality of the indicator LED’s
LED number
Name
Description
1. RBDA
Remote bus disable
Active RED when outgoing remote bus is switched off.
2. TR
Transmit/Receive
Active GREEN when PCP communication is carried out over the InterBus (0.6 s hold
time to be visual).
3. CC
Cable check
Active GREEN if the cable connection is good and the InterBus Master is not in RESET.
4. BA
Bus active
Active GREEN. Is monitoring Layer 2.