Yokogawa µR20000 - Manual (Page 12)

1-4
IM 04P01B01-61E
1.4 Connecting the Recorder and the PC
Using the Ethernet Communication Interface (/C7 Option)
For the procedure to connect the recorder and the PC, see section 2.2, “Connecting the
Ethernet Interface” in the µR10000/µR20000 Communication Interface User’s Manual (IM
04P01B01-17E).
Using the RS-422/485 Communication Interface (/C3 Option)
For the procedure to connect the recorder and the PC, see section 3.2, “Terminal
Arrangement and Signal Names and the Connection Procedure of the RS-422/485
Communication Interface” in the µR10000/µR20000 Communication Interface User’s
Manual (IM 04P01B01-17E).
Using the Interface Unit (For the RXA10-02)
CAUTION
Do not insert or remove the interface unit while the recorder is turned ON. If you do,
the internal circuit of the recorder and/or the interface unit may be damaged.
Note
• When using the interface unit, turn OFF the device that is connected to the RS-422/485
communication interface (/C3 option) on the recorder rear panel or disconnect the cable.
Data may be sent to the device connected to the RS-422/485 communication interface on
the rear panel when the interface unit is communicating.
• Use a D-Sub 9-pin RS-232 cable (cross cable) to connect the PC and the interface unit (The
connector on the interface unit is a D-Sub 9-pin plug (male)).
1 2 3 4 5
6 7 8 9
Interface unit (D-Sub 9-pin plug)
Pin Assignments
1 CD Carrier Detect
2 RXD Receive Data
3 TXD Transmit Data
4 DTR Data Terminal Ready
5 GND System Ground
6 SDR Data Set Ready
7 RTS Request to Send
8 CTS Clear to Send
9 RI Ring Indicator
Pins 4 and 6 are shorted internally.
Pins 7 and 8 are shorted internally.