PV
Ports Define
The
communication
port
COM1
of
PV037/PV057
can
use
as
RS232C
RS422 and RS485 while COM2 as RS422 and RS485. The
COM2 of PV057 can use as RS232, RS422 and RS485. Please make
the right connecting cable according to the specifications. About the
cable connecting figures of the HMI to other P.L.C., please refer to the
P.L.C. manuals.
Communication port COM1 in HMI is a DB-9Pin Female.
COM1
Pin
1
2
3
4
5
pin definitions
Function
RS-422 TX+ and RS-485 +
RS-232 RXD
RS-232 TXD
RS-422 RX+
Signal ground
Pin
6
7
8
9
Function
RS-422 TX- and RS-485 -
RS-232 RTS
RS-232 CTS
RS-422 RX-
COM2
4-pin definitions.
RS422 and RS485
PV057 communication port COM2 is a DB-9Pin Male.
COM2
Pin
1
2
3
4
5
pin definitions
Function
RS-485 +
RS-232 RXD
RS-232 TXD
Signal ground
Pin
6
7
8
9
Function
RS-485 -
RS-232 RTS
RS-232 CTS
Optional 5V output
Extension Bus Port (It’s an Optional device). This port can link
with other extension modules for advanced functions.
King View
A-13
