
ROC Plus SIO Driver
12
EIO0000001145 03/2012
Target Machine Serial Interface
Use the following serial interface diagrams in combination with the cable diagrams
in Section 3 to wire connections between the target machine and external
equipment.
Magelis XBTGK, XBTGC2000, XBTGH2000, and XBTGT2000 Series or higher
All XBTGK and XBTGT2000 Series and higher target machines have two COM
ports: COM1 and COM2. The XBTGC2000 Series has one COM port: COM1.
XBTGH2000 Series (Junction Box) has one COM port: COM1.
COM1 is a 9-pin D-Sub male connector and COM2 is an RJ45 socket. The following
tables illustrate the pin layout for these target machines.
COM1 (9-pin D-Sub Plug)
This COM port can act as either an RS-232C or RS-422 interface.
RS-232C
Pin Number Symbol Description
1 CD Carrier Detect
2 RD(RXD) Receive Data
3 SD(TXD) Transmit Data
4 ER(DTR) Data Terminal Ready
5 GND Common Ground
6 DR(DSR) Data Set Ready
7 RS(RTS) Request to Send
8 CS(CTS) Send Possible
9 CI(RI) Called status display or +5V
±5%
output 0.25A
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