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6 Sub Host Communication
3-92
WindO/I-NV4 User’s Manual
6.5 Error Information
This setting is for monitoring all error information and for controlling Sub Host Communication.
●
Monitor the error information of all Slave Numbers
The error information of all external devices communicated with using Sub Host Communication can be monitored.
This option is configured on the
Sub Host Communication tab in the Project Settings dialog box. Select the
Monitor the error information of all Slave Numbers check box, and then specifies a word device to write the
error information.
Click to display the Tag Editor. For the device address configuration procedure, refer to Chapter 2 “5.1 Device
Address Settings” on page 2-68.
Bit Function Descriptions
0 Reserved ―
1 Initialize
Clear all error information of Sub Host Communication.
Write 1 to clear all error information, and this bit changes to 0 after clear.
Error information of each slave number of the device addresses configured
with the
Monitor the error information of each Slave Number check
box is also cleared.
2 Finish 1st reading
This bit changes to 1 after all device addresses allocated to HMI Link
Registers (LLR) are read.
3 Reserved ―
4 Current Error
This bit changes to 1 while a communication error occurs in any device
address allocated to HMI Link Registers (LLR). The bit changes to 0 after the
communication error recovers.
5 Reserved ―
6 Error Log for Reading
This bit changes to 1 when the reading error has occurred in any device
address allocated to HMI Link Registers (LLR). This bit keeps 1 even if the
reading error recovers.
Writes 1 to the Bit 1 (Initialize) to make this bit 0.
7 Error Log for Writing
This bit changes to 1 when the writing error has occurred in any device
address allocated to HMI Link Registers (LLR). This bit keeps 1 even if the
writing error recovers.
Writes 1 to the Bit 1 (Initialize) to make this bit 0.
8 to 15 Reserved ―
Bit
Function
Read/Write R R R R R/W
R
eserv
ed
Error Log f
or W
riting
Error Log f
or R
eading
R
eserv
ed
Current Error
R
eserv
ed
Finish 1st reading
Ini
tial
ize
R
eserv
ed