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52
TXD
2
RXD
SG
3
5
RX +
6
TX +
TX -
7 8 9
RX -
12. Serial Output
Serial output is an interface which conducts the output of display value as serial data.
It is used to process control, collection, record, and others with access to PLC.
Various setting shall be selected from function mode.
Since RS-232C & RS-422/485 is included in standard specification, basic equipment is conducted.
12-1 RS-232C/422/485 Serial Interface
12-1-1 Specification
RS-232C RS-422/485
Transmission Method
Full duplex, Asynchronous
Semi duplex
Transmission Distance
Max 15m
Max 1km
Transmission Speed
1200 bps ~ 115200 bps
Data bit
7, 8 bits
Parity bit
None, Even, Odd
Stop bit
1bit
Use code
ASCII
Terminator
STX, ETX (STX: 02H, ETX: 03H)
No. of max connection
1
Max 32sets (RS-422:10sets)
Connector specification
D-SUB 9 pin Female (male for cable side)
12-1-2 Connection method
For
RS
‐
232C
For
RS
‐
422
Warning : In case of using RS-422, change shall be made from function setting.
For
RS
‐
485
Pin No.
Signal
name
Direction
Description
2
TXD Output
Transmit
data
3
RXD Input
Receive
data
5
SG -
Signal
ground
Others
No connection
Casing
Shield
Pin No.
Signal
name
Direction
Description
6
RX+ Input
Receive
data
7
RX- Input
Receive
data
8
Tx+ Output
Transmit
data
9
TX- Output
Transmit
data
Others
No connection
Casing
Shield
Pin No.
Signal
name
Direction
Description
6
T(R)X+ TRa RS-485
line
A
7
T(R)X- TRb RS-485
line
B
Others
No connection
Casing
Shield