Fuji Electric OPC-PRT - FUNCTION CODE NUMBERING AND BEHAVIOR; Register Numbers

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3.2 Inverter Reaction to Network Timeout Conditions
Function codes o27 and o28 specify the inverter’s reaction when a network timeout occurs. Table 13
lists the settings for o27 and o28.
Table 13: Inverter Reaction to Network Timeout Conditions (Function Codes o27 and o28)
o27 Value
o28 Value
Inverter reaction when a timeout occurs
Remarks
0,
4 to 9
--- Immediately coast to a stop and trip er5.
1
0.0s to
60.0s
After the time specified by o28, coast to a stop
and trip
er5
.
2
0.0s to
60.0s
If the communications link is restored within the
time specified by o28, ignore the
communications error. After the timeout, coast
to a stop and trip
er5
.
3,
13 to 15
---
Maintain present operation, ignoring the
communications error (no er5 trip).
10 ---
Immediately decelerate to a stop. Trip er5 after
stopping.
Inverter function code
F08 specifies the
deceleration time
11
0.0s to
60.0s
After the time specified by o28, decelerate to a
stop. Trip er5 after stopping.
Same as above
12
0.0s to
60.0s
If the communications link is restored within the
time specified by o28, ignore the
communications error. After the timeout,
decelerate to a stop and trip er5.
Same as above

For details regarding the interface-specific timeout behavior and configuration, please refer
to section 5.4.1.