Yokogawa Removable Chassis DX1000N - Manual (Page 112)

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IM 04L41B01-17E
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 DX and to control it.
Connecting to the DX
Perform the operations that are appropriate for your PC, software, and network
environment.
RS-232
The DX is ready to receive commands as soon as you connect it to the PC.
RS-422A/485
The DX 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 DX at address 1 and then open the DX at address 2, the
connection with the DX at address 1 is closed automatically.
When the /AS1 Advanced Security Option Is Not in Use
For the commands that you can use, see section 3.2.
When the /AS1 Advanced Security Option Is in Use
You can perform some commands without logging into the DX. There are other
commands that you can only use if you are logged into the DX. For details about the
commands, see chapter 3.
Commands That You Can Perform without Logging In (Monitoring function
commands)
You can execute some output and control commands.
Group Command
Control CM, CE
Output commands (control) BO, CS, IF, CB
Output commands (setting, measured, and
computed data output)
FC, FE, FD, FF, FL, FI, IS, FU, FA
Dedicated commands for RS-422A/485 Esc O, Esc C
Login commands LL