Parameter
No.
Function name Data
Default da-
ta
Unit
3014Hex-1
8Hex
Speed Deviation Error Processing Se-
lection
0: Continue to run 1
2 -
1: Stop with alarm 1
2: Stop with alarm 2
3: Continue to run 2
4: Stop with alarm 3
5: Stop with alarm 4
3014Hex-2
1Hex
Speed Limit 1 in Forward 0 to 110 100 %
3014Hex-2
2Hex
Speed Limit 2 in Reverse 0 to 110 100 %
3014Hex-2
4Hex
Over Speed Detection Level
0 to 120,
999: Depend on
3014Hex-21Hex,
3014Hex-22Hex
999 %
3005Hex-0
2Hex to
3005Hex-0
6Hex,
3005Hex-6
3Hex,
3005Hex-6
4Hex
Input Terminal [DI1] to [DI7] Function
Selection
71: DSAG (Speed agree-
ment)
76: DSE (Excessive
speed deviation)
- -
Overspeed error detection
If the output frequency exceeds the overspeed protection level, the inverter detects the overspeed
protection alarm (alarm code: 1B) and shuts off (trips) inverter output.
•
Conditions that cause an overspeed protection alarm
Over Speed Detection Level (3014Hex-24Hex) = 999
<Forward rota-
tion side>
Overspeed protection level = 1st Maximum Output Frequency (3004Hex-04Hex)/2nd
Maximum Output Frequency (3009Hex-02Hex) × Speed Limit 1 in Forward
(3014Hex-21Hex) (%) × 120 (%)
<Reverse rota-
tion side>
Overspeed protection level = 1st Maximum Output Frequency (3004Hex-04Hex)/2nd
Maximum Output Frequency (3009Hex-02Hex) × Speed Limit 2 in Reverse
(3014Hex-22Hex) (%) × 120 (%)
Over Speed Detection Level (3014Hex-24Hex) = Other than 999
Overspeed protection level = 1st Maximum Output Frequency (3004Hex-04Hex)/2nd Maximum
Output Frequency (3009Hex-02Hex) × Over Speed Detection Level (3014Hex-24Hex) (%)
Speed mismatch/excessive speed deviation
If the state where the difference between the frequency reference and the actual frequency ex-
ceeds the set value of Speed Agreement / Speed Deviation Error Hysteresis Width
(3014Hex-16Hex) continues for Speed Agreement / Speed Deviation Error Detection Timer
(3014Hex-17Hex), this state is judged to be a speed mismatch/excessive speed deviation, post-de-
tection processing is performed according to the setting of Speed Deviation Error Processing Se-
lection (3014Hex-18Hex).
7 Vector Control and Applied Functions
7-13
M1 Series EtherCAT Type User’s Manual (I670)
7-2 V/f control with speed feedback
7
7-2-2 Protective Detection under V/f Control with Speed Feedback
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