• With switching of frequency selection in multi-step function, an unintended frequency reference is
sometimes selected depending on the deviation of timing of input terminals [DI1] to [DI7].
Binary Operation
Setting “0: CF1” to “3: CF4” to Input Terminal [DI1] to [DI7] Function Selection (3005Hex-02Hex to
3005Hex-06Hex, 3005Hex-63Hex, 3005Hex-64Hex) enables selection of multi-step speeds 0 to
15.
• Use the Multi-step Frequency Reference 1 to 15 (3006Hex-06Hex to 3006Hex-14Hex) to set the
frequency reference for the multi-step speed 1 to 15.
•
When CF1 to CF4 are all OFF, 1st Frequency Reference Selection (3004Hex-02Hex) and 2nd
Frequency Reference Selection (3006Hex-1FHex) are selected.
Multi-
step
Fre-
quency
Refer-
ence
CF4 CF3 CF2 CF1
0th
OFF
OFF
OFF
OFF
1st ON
2nd
ON
OFF
3rd ON
4th
ON
OFF
OFF
5th ON
6th
ON
OFF
7th ON
8th
ON
OFF
OFF
OFF
9th ON
10th
ON
OFF
11th ON
12th
ON
OFF
OFF
13th ON
14th
ON
OFF
15th ON
CF1
CF2
CF3
CF4
F
W
1st
2nd
3rd
4th
5th
6th
7th
8th
9th
10th
11th
12th
13th
14th
15th
0th
Frequency
reference based on
frequency reference
selection
(3004Hex-02Hex/30
06Hex-1FHex)
Bit Operation
• Multi-step frequency references 0 to 7 can be selected by input terminals when “173: SF1” to
“179: SF7” are set to Input Terminal [DI1] to [DI7] Function Selection (3005Hex-02Hex to
3005Hex-06Hex, 3005Hex-63Hex, 3005Hex-64Hex).
•
Set the frequency reference of SF1 to SF7 to Multi-step Frequency Reference 1 to 7
(3006Hex-06Hex to 3006Hex-0CHex).
• When SF1 to SF7 are all OFF, 1st Frequency Reference Selection (3004Hex-02Hex) and 2nd
Frequency Reference Selection (3006Hex-1FHex) are selected.
• When multiple terminals are turned ON simultaneously, priority is given to the terminal with the
smallest number among SF1 to SF7. (“Disabled” in the following table indicates that speed is se-
lected regardless of the ON/OFF status.)
6 Basic Settings
6-52
M1 Series EtherCAT Type User’s Manual (I670)
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