Yokogawa Value Series FX1000 - Manual (Page 82)

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2.8 Using the Setting and Measurement Function
This section explains the setting and measurement function. You can use this function to
send commands to retrieve data from the FX and to control it.
Connecting to the FX
Perform the operations that are appropriate for your PC, software, and network
environment.
For RS-232
The FX is ready to receive commands as soon as you connect it to the PC.
For RS-422A/485
The FX is ready to receive commands after you connect it to the PC and open it with the
open command (ESC o).
RS-422A/485 Disconnection
The connection is closed when:
• A command is sent that closes the connection.
The close command (ESC c) is sent.
• A connection is opened with another device.
Example: If you open the FX at address 1 and then open the FX at address 2, the
connection with the FX at address 1 is closed automatically.