Chapter 7 Appendix7.2 Extension SIO Features
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7.2.4 Parameter Setting
Described below is regarding the parameter settings necessary in order to use the extension SIO
feature.
Check the extension I/O slot number that the extension SIO module is connected when conducting the
parameter setting.
(1) Extension I/O Slot
Extension I/O slot 2 (I/O3)
Status LED
Extension I/O slot 1 (I/O2)
Status LED
Extension I/O slot 1 (I/O2)
Extension I/O slot 2 (I/O3)
Wiring Layout for RS232C Ports
Pin No. Direction
Signal
name
Contents
1 In (CD) (Carrier Detection : Not use)
2 In RD Received Data (RXD)
3 Out SD Sent Data (TXD)
4 Out ER Device Ready (DTR)
5 In SG Signal Ground
6 In DR Data Set Ready (DSR)
7 Out (RS)
(Sending Request (RTS) :
Not use)
8 In (CS)
(Ready for Sending CTS) :
Not use)
9 Out NC Not use
5
1
9
6
Extension I/O Slot 1 User Released SIO Channel
Number (Setting at Delivery)
Channel 2
Extension I/O Slot 2 User Released SIO Channel Number
(Setting at Delivery)
・
When Extension SIO Module not mounted to Extension
I/O Slot 1: Channel 2
・
When Extension SIO Module mounted to Extension I/O
Slot 1: Channel 3
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