Yokogawa Data Acquisition with PID Control CX2000 - Manual (Page 244)

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M-4659
Auxiliary Settings
You can set the control output DO when the communication buffer recovers, internal
switch status processing, and auto recovery of communication with Modbus master/
temperature controllers valid for serial communications. These settings are available
when serial communication is installed.
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Recovery Status for Comm. Buffer
You can set the recovery operation for the control output DO/internal switch
communication buffer to be performed when the power is turned ON, or when recovering
to Operation Mode from Basic Setting Mode. The communication buffer is an internal
region for turning the DO/internal switches ON and OFF via communications.
Continue : Holds the status of the control output DO and internal switches
Clear: Clears the status of the control output DO and internal switches
Modbus Master/Exp loop
You can select whether or not to automatically recover communications with modbus
mice and temperature meters. If you select automatic recovery, you can also specify the
recovery interval. You can select one of the following intervals: 1 min, 2 min, 5 min, 10
min, 20 min, 30 min, or 60 min.
Specifying the Memory Data Out Mode
You can only specify to output memory via Ethernet or serial communications.
7.11 Network Settings