1.4 Hardware Settings 1-45
Communication
Setting
Transmission Mode
*1
Select a transmission mode for the connected device.
This setting is required if a device of Mitsubishi, Omron, Hitachi Industrial
Equipment Systems, Yokogawa, JTEKT, or Yaskawa is in use.
Retrials
Specify the number of retrials to be allowed in the event of a timeout during
communication. If a timeout persists even after as many retrials as specified, an
error handing routine will take place.
1 to 255
Time-out Time
Specify a period of time allowed for V9 to monitor a response from its
connected device. If no response is given within the specified time, retrial will
be made.
0 to 999 (10 msec)
Send Delay Time
Specify a delay time that elapses before V9 sends the next command after
receiving a response from its connected device. Normally use the default
setting.
0 to 255 (1 msec)
Start Time
Specify a delay time that elapses before V9 starts to send commands upon
power-up. If V9 and its connected device are turned on at the same time and
the device is slower to start up, set [Start Time].
0 to 255 (1 sec)
Code
Select a code for the connected device. The selected option is reflected
through the data displayed on graphs or trending sampling parts.
DEC/BCD
Text Process
Specify a byte order in text data. This setting is valid for macro commands that
handle text.
LSB MSB/MSB LSB
Comm. Error Handling
Select an action to be taken in the event of a communication error.
[Stop]
Communication will be stopped entirely and the communication error
screen will be displayed. The [RETRY] switch is available for attempting
reestablishment of communication.
[Continue]
The communication error message will be displayed at the center of the
screen. The same communication will continue until restoration, and screen
operation is not allowed then. When communication has been returned to
a normal state, the message disappears and screen operation is allowed.
[Disconnect]
No error message will appear and communication will proceed to the next
one.
*
However, communication with the device, in which a timeout was detected,
will be disconnected.
When a timeout is detected, will be displayed for the part that is
monitoring the address of the timeout device.
* The communication status is displayed on the status bar.
For information, refer to the V9 Series Troubleshooting/Maintenance
Manual.
Recovery
Condition
Use Recovery Time This setting is valid when [Disconnect] is selected for [Comm. Error Handling].
Recovery Time
Return Time 1 to 255 (10 sec)
When the specified time has elapsed, V9 checks the recovery of the device
which discontinued communicating.
Auto-restoration
upon screen
switch-over
When the screen is switched, V9 checks the recovery of the device which
discontinued communicating.
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