
Multi-Function Control ETMFC610
http://www.entecene.co.kr
35
EN
HANCED
TEC
HNOLOGY
5.1. Communication Port
1) RS232 PORT
RS232 has D-SUB 9pin as Male type and all pins are connected except pin number 9, RI(Ring
Indicator).
Table 5-2. RS232-1/RS2332-2 Pin Description
Pin
Signal
Description
Figure 5-2. RS232
1
DCD
Data Carrier Detect
2
RXD
Receive Data(IN)
3
TXD
Transmit Data(OUT)
4
DTR
Data Terminal Ready(OUT)
5
GND
Ground
6
DSR
Data Set Ready(IN)
7
RTS
Request To Send(OUT)
8
CTS
Clear To Send(IN)
9
N/C
No Connection
2) RS485 PORT
RS485 has 3pins as in
‘Table 5-3. RS485 Pin Description’
.
Table 5-3.RS485 Pin Description
Pin
Description
Figure 5-3.RS485
1
RS485+
2
RS485-
3
SG (Cable Shield)
3
2
1
P
N
FG