Safety function blocks
514
02/16 MN05013001Z EN
Outputs
The actual value output QV: Indicates the actual value of the
rotation frequency with a tolerance of less than 3 percent..
Diagnostics output DG: Provides information the states of
the function block. It is evaluated in the standard circuit
diagram e. g. with the diagnostics function block.
Table 23:
Diagnostics-/-Error codes
Further information on these outputs is provided in section
“Common features”, page 348.
Parameters
Function, parameterisation in the func-
tion block
QV:
Rotation frequency actual value: 2 - 50 Hz
DG:
Diagnostics: double word
Status number
Plain text
Hexadecimal (0–F)
decimal (0-9)
0000
0000
No Enable.
2001
8193
Enable issued, wait for safe activation via ZM..SA input.
2003
8195
Waiting for rising edge at Reset.
2004
8196
Waiting for falling edge at Reset.
2009
8201
Measurement started.
8010
32784
Standstill detected (QS = 1).
F007
61447
Error: Both channels on Low (open circuit).
F008
61448
Error: Frequency measuring range exceeded (>1200 Hz).
F009
61449
Error: Different input frequencies.
F00A
61450
Error: No pulses on one channel.
F013
61459
Error: Reset operated on function block startup.
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