5
The Connector Pins and Signals of COM2(9PIN) with RS-232 Interface of RS-422 Terminal
TYPE
Pin
No.
Signal
Direction
Contents
9Pin Female
2
RD (RxD)
Input
RS232C Date Receive
3
SD (TxD)
Output
RS232C Data Send
5
SG
Signal Ground
Note: The RS-232 Pins(No.2,3Pin) in the RS-442 Terminal of COM2 Port can be used to download Project file such as
COM1 Port.)
Serial Interface RS-422/485
For Serial Interface with RS-422/485, Product should be connected according to the below items.
Twisted Pair Cable must be used to communication cable corresponding to each Signal Pins such
as RDA&RDB and SDA&SDB. The shield cable of communication should not be used to signal
ground. It may cause failure of communication.
Transport Protocol
No.
Items
Contents
1
Protocol
Half Duplex
2
Synch.
Asynchronous
3
Communication Distance
About 500m
4
Type of connection
1:N (N ≤ 31)
5
Control Code
ASCII Code or HEXA Code
6
Baud Rate
9600,19200,38400,57600,76800,115200,1875
00 bps
7
Data Type
Data Bit
7, 8 bit
Parity Bit
NONE,ODD, EVEN Parity
Stop Bit
1, 2 bit
The Connector Pins and Signals of COM2(15Pin) with RS-422/485 Interface
The contents of Below Table are corresponding to XTOP05MQ/05TQ/08TV/08TS S type, E type, and XTOP07 U type.
Type
Pin
Number
Signal
Direction
Contents
15Pin Female
(COM2)
11
RDA(RD+)
Input
Data R)
12
RDB(RD-)
Input
Data Receive(-)
13
SDA(SD+)
Output
Data Send(+)
14
SDB(SD-)
Output
Data Send(-)
15
SG
Signal Ground
1~8
For RS232C Serial Interface
The Connector Pins and Signals of COM2(9PIN) with RS-422/485 Interface
The contents of Below Table are corresponding to XTOP10TV/10TS/12TS/15TX E type, S type and XTOP04TW U type.
