Operating Procedures
Communication Cycle
Time
■
Internal transceiver error
Lit when an error occurs during a transceiver test. Clear the error by resetting
the Unit. If this is a recurring error, replace the Unit.
■
Transceiver error
Lit when an error occurs at the transceiver.
Clear the error by resetting the Unit.
If this is a recurring error, replace the Unit.
■
EEPROM error
Lit when an error occurs in the EEPROM.
An error may recur in a Unit if there is a faulty network configuration. Recheck
the settings.
If the error recurs after rechecking the settings, replace the Unit.
The network status is shown.
■
Token hold node number
Displays the node number of the node where the token is held when the
Upload Button is clicked.
■
Allowed min. frame interval
Displays the minimum allowable frame interval for the network in which the
specified Unit is participating.
■
Refresh cycle time
Displays the allowable refresh cycle time for the specified Unit.
■
Measure time
Displays the current value, maximum value, and minimum value of the mea-
sured refresh cycle time for the specified Unit.
Section 11-2
183