E-7
Recommended Connector: Dsub 9-pin plug XM2D-0901 <made by OMRON Corp.>
Recommended Cover : Dsub 9-pin Cover XM2S-0913 <made by OMRON Corp.>
Use Jack Screw XM2Z-0073 <made by OMRON Corp.>
when needed.
Recommended Cable
: CO-MA-VV-SB5P x 28AWG <made by HITACHI Cable Ltd.>
Serial Interface (COM 1,COM 2)
RS-232C Interface
COM1
1
5
6
9
COM2
1
5
6
9
Use inch type (#4-40UNC) threads to hold the cable’s set (fastening)
screws in place.
• The rated electric current of COM2's No.9 (DC5V) output is 0.20A
MAX.
• Be sure to connect pin number 5 (SG) of COM1 and COM2 to the
host unit's Signal Ground terminal.
• Connect the FG terminal line to the connector shell's PS-G con-
nector fastening screw.
• FG and SG terminals are internally connected in the PS-G. When
connecting to another device, be sure to create an SG shorting
loop in your system.
4
Interfaces
Pin Arrangement
PIN#
Signal
Condition
Direction
1
CD
Carrier Detect
Input
2
RD (RXD)
Receive Data
Input
3
SD (TXD)
Send Data
Output
4
ER (DTR)
Data Terminal Ready
Output
5
SG
Signal Ground
-
6
DR (DSR)
Data Set Ready
Input
7
RS (RTS)
Request Send
Output
8
CS (CTS)
Clear Send
Input
9
CI (RI)
Ringing Indicate
Input
Pin Arrangement
Pin#
Signal
Condition
Direction
1
NC
No Connection
-
2
RD (RXD)
Receive Data
Input
3
SD (TXD)
Send Data
Output
4
NC
No Connection
-
5
SG
Signal Ground
-
6
NC
No Connection
-
7
RS (RTS)
Request Send
Output
8
CS (CTS)
Clear Send
Input
9
VCC
+5V - Power Supply
for External Devices
-
