-24-
• Use rough metric type M2.6 x 0.45p threads to hold the cable’s set (fasten-
ing) screws in place.
• For RS-422 Connectors
• The following pairs of pin numbers must be connected (shorted).
...#18 (CSB) <-> #19 (ERB)
...#21 (CSA) <-> #22 (ERA)
• Connecting the #9 (TRMX) and #10 (RDA) wires, adds a termination
resistance of 100
Ω
Ω
Ω
Ω
Ω
between RDA and RDB.
• Use a 4-wire cable when the PLC type is Memory Link and the cable is
RS-422.
• For RS-232C Connectors
• Do not connect #9 (TRMX), #10 (RDA), #11 (SDA), #15 (SDB), #16 (RDB),
#18 (CSB), #19 (ERB), #21 (CSA), and #22 (ERA).
• Connect the #1 (FG) terminal only if it is required by a connected device.
Expansion Serial Interface
Connect a Serial Bar-code reader or a 2-Dimensional-code reader to this
interface.The connector used is a plug-type connector.
Pin Arrangement
Pin # Signal Name
Description
1
CD
Carrier Detect(RS-232C)
2
RD
Receive Data(RS-232C)
3
SD
Send Data(RS-232C)
4
ER
Enable Receive(RS-232C)
5
SG
Signal Ground
6
DR
Data Set Ready(RS-232C)
7
RS
Request to Send(RS-232C)
8
CS
Clear to Send(RS-232C)
9
RI/VCC
Ring Indicate(RS-232C) 5V±5% 0.25A
Recommended Connector :Dsub 9-pin socket XM2D-0901 <made by OMRON Corp.>
Recommended Cover
:Dsub 9-pin cover XM2S-0913 <made by OMRON Corp.>
Recommended Screw
:Jack Screw XM2Z-0073 <made by OMRON Corp.>
Use inch type screws (#4-40UNC) as set screws.
5
9
1
6
Since Pin#9(RI/VCC) is unprotected, be sure to keep the out-
put current within the rated range.
Screw Lock Terminal Block
This interface is used for Flex Network connections.
Pin Arrangement Pin No. Signal Name
Description
1
TR+
CH1 Comunication Data
2
TR-
CH1 Comunication Data
3
SLD
CH1 Cable, Shield
4
TR+
CH2 Comunication Data
5
TR-
CH2 Comunication Data
6
SLD
CH2 Cable, Shield
1
6
