12
2.4 Compact Flash Setting (JP3)
Set the operating mode of CompactFlash disk
•
JP3: Compact Flash Setting
ADDRESS
JP3
MASTER SHORT
SLAVE
OPEN
2.5 COM2 Setting
The COM2 (CN4) can 5V or +12V power to the serial
devices via RI pin (Pin 8) of the COM port connector. The max.
support current is 1A with fuse protection between these two
connector’s 5V/12V output. If the output is set to 12V, make sure
that you have 12V to power up the board.
CN4 Pin 8
JP2 (2,4,6)
JP2 (1,3,5)
RI Signal
4-6 Disregard
+5V
2-4
1-3
+12V
2-4 3-5
•
COM2 RS-232, RS-422 or RS-485 Setting JP1 (2,4,6)
(Optional)
The COM2 (CN4) can be set to RS-232 or RS-422/485 for industrial
field site application. Moreover when this port set to the RS-485
mode, the board equipped self-tuner IC will automatic sense data
direction as to eliminate data collision. This is especially important
in WINDOWS programming environment where you are not allowed
to let the program catch the control pin at your will. As for RS422
and RS485 function, it’s optional and up to user’s decision.
StockCheck.com
Summary of Contents for ROCKY-512
Page 11: ...9 S t o c k C h e c k c o m ...
Page 12: ...10 S t o c k C h e c k c o m ...