Parameter Address
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SFMON: Invalid scaling A-2
093 115
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An invalid characteristic has been set for one of the analog output channels of
analog I/O module Y.
Device reaction: Depends on type of fault detected.
“Warning” output relay: Updating
“Blocked/faulty” output relay: –
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SFMON: Invalid scaling IDC
093 116
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An invalid characteristic has been set for the analog input channel of analog I/O
module Y.
Device reaction: Depends on type of fault detected.
“Warning” output relay: Updating
“Blocked/faulty” output relay: –
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SFMON: PT100 open circuit
098 024
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The P634 has detected an open circuit in the connection of the resistance
thermometer “PT100” to the analog I/O module Y.
Device reaction: Depends on type of fault detected.
“Warning” output relay: Updating
“Blocked/faulty” output relay: –
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SFMON: Overload 20 mA input
098 025
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The 20 mA input of analog I/O module Y is overloaded.
Device reaction: Depends on type of fault detected.
“Warning” output relay: Updating
“Blocked/faulty” output relay: –
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SFMON: Open circ. 20mA inp.
098 026
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The P634 has detected an open circuit in the connection of the 20 mA input.
Device reaction: Depends on type of fault detected.
“Warning” output relay: Updating
“Blocked/faulty” output relay: –
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SFMON: Setting error f<>
098 028
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The over-/underfrequency protection function has been set for “overfrequency”
monitoring (based on the settings for operate value and nominal frequency).
This setting is not valid in the f w. Delta f/Delta t operating mode.
Device reaction: Blocking of the over-/under frequency protection function
“Warning” output relay: Updating
“Blocked/faulty” output relay: –
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SFMON: Iref, a inval. range
091 007
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SFMON: Iref, b inval. range
091 008
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SFMON: Iref, c inval. range
091 009
11 Troubleshooting P634
P634/EN M/R-42-A // P634‑311‑653 11-13