Parameter No. Function name Data Default data Unit
3005Hex-1FHex
Frequency Arrival Detection
Width (FAR1/F
AR2/FAR3/
FDT3/FDT4)
0.0 to 10.0 2.5 Hz
3005Hex-20Hex
Frequency Detection Level1
(FDT1/FDT3)
0.0 to 590.0 60.0 Hz
3005Hex-21Hex
Frequency Detection Hysteresis
Width (FDT1/ FDT2)
0.0 to 590.0 1.0 Hz
3005Hex-25Hex
Frequency Detection Level 2
(FDT2/FDT4)
0.0 to 590.0 60.0 Hz
Frequency Arrival Signal (Constant Speed) (3005Hex-15Hex,
3005Hex-1CHex = 1: FAR1, 21: F
AR2, 72: FAR3)
FAR1, FAR2 and FAR3 turn ON when the output frequency falls within the set frequency ± Frequency
Arrival Detection Width (3005Hex-1FHex), and turn OFF when the output frequency falls outside the
Frequency Arrival Detection Width (3005Hex-1FHex). In addition to FAR1 signal functions, the Fre-
quency Arrival 2 ON T
imer (3005Hex-1EHex) can be set to the FAR2 signal.
Also, operation when the RUN command is OFF differs between FAR1, FAR2 and FAR3 as follows.
FAR1, FAR2: The signal is always OFF when the RUN command is OFF or the speed command is 0.
FAR3: The signal is turned ON when the output frequency is within 0 ± frequency arrival detection
range while the frequency reference is considered to be 0 with the RUN command being OFF.
Name
Out-
put
sig-
nal
3005Hex-15Hex,
3005Hex-1CHex
allocated data
Operation
level
Detection range Remarks
Frequency arrival
signal 1 (constant
speed)
FAR
1
1
Set fre-
quency
Frequency Arrival
Detection Width
(3005Hex-1FHex)
OFF when the RUN com-
mand is OFF
Frequency arrival
signal 2 (constant
speed)
FAR
2
21
OFF when the RUN com-
mand is OFF
Frequency arrival
signal 3 (constant
speed)
FAR
3
72
When the RUN command
is OFF
, the frequency ref-
erence is treated and
processed as 0
Frequency arrival signal 1
(constant speed) “FAR1”
Frequency / Speed
RUN command
ON
ON
ON
ON
ON
Frequency arrival 3 “FAR3”
Detection speed
(output frequency)
Arrival range
Command
Arrival range
Speed command = 0
8 Other Functions
8-79
M1 Series EtherCAT Type User’s Manual (I670)
8-8 Functions Related to Protection, Warning and Various Output Signals
8
8-8-6 Frequency Arrival Signal (FAR1 to 3, FDT1 to 4, FAR1FDT1)
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