•
Building Interface Circuits with External Devices
Using input signals
Multi-function input terminal S1 to S7 functions can be changed when necessary by setting parameters n051 or n052 respectively. The same value cannot be set to different parameter settings.
Setting
0
1
2
Name
FWD/REV run command
(3 wire sequence selection)
Forward run
(2 wire sequence selection)
Reverse run
(2 wire sequence selection)
External fault (NO contact input)
External fault (NC contact input)
Description
Setting enabled only for n052
Ref.
74
45
45
3
4
5 Fault Reset
Inverter stops by external fault signal input
Digital operator display is
EF D
.*
Resets the fault. Fault reset not effective with the run signal ON.
–
–
50
8
9
6
7
10
11
Multi-step speed reference 1
Multi-step speed reference 2
Multi-step speed reference 3
Multi-step speed reference 4
JOG command
Accel/Decel time select
External baseblock
(NO contact input)
12
13
14
15
16
17
18
External baseblock
(NC contact input)
Search command from maximum frequency
Search command from set frequency
Accel/decel hold command
LOCAL/REMOTE selection
Communication/control circuit terminal selection
Motor coast to a stop by this signal input.
Digital operator display is
bb.
Speed search reference signal
–
–
63
63
64
46
78
19
20
Emergency stop fault
(NO contact input)
Emergency stop alarm
(NO contact input)
Emergency stop fault
(NC contact input)
Inverter stops by emergency stop signal input according to stopping method selection (n005).
When frequency coasting to a stop (n005 is set to 1) method is selected, inverter coasts to a
–
–
21
22
23
24
Emergency stop alarm
(NC contact input)
PID Control cancel
PID integral reset stop according to decel time setting 2 (n022).
Digital operator display is sRp
(lit at fault, blinking at alarm).
–
–
114
114
26 Inverter overheat prediction OH3
“ “ (Blinking) is displayed on the digital operator by signal input
25 PID intregal hold 114
34 UP/DOWN command
Setting enabled only for n056 (terminal S7)
75
35 Self-test
Setting enabled only for n056 (terminal S7)
114
* Numbers 1 to 7 are displayed in q corresponding to the terminal number S1 to S7 respectively.
50
50
50
50
51
54
73
Initial setting
No.
n050 n051 n052 n053 n054 n055 n056
Terminal
S1
S2
S3
S4
S5
S6
S7
Initial Setting
1
2
3
5
6
7
10
Function
Forward run command (2-wire sequence)
Reverse run command (3-wire sequence)
External fault
Fault reset
Multi-step speed reference 1
Multi-step speed reference 2
JOG command
Terminal function at 3-wire sequence selection
When 0 is set at the terminal S3 (n052), terminal S1 becomes run command, terminal
S2 becomes stop command, and terminal S3 becomes FWD/REV run command.
• LOCAL/REMOTE select (setting: 17)
Select operation reference either by the digital operator or by the settings of operation method selection (n003) and frequency reference selection (n004).
LOCAL/REMOTE select is available only during stop.
Open: Run according to the setting of run command selection (n003) or frequency reference selection (n004)
Closed: Run by frequency reference and run command from the digital operator.
74
(Example:)Set n003 = 1, n004 = 2, n008 = 0.
Open: Run by frequency reference from multi-function input terminal FR and run command from multi-function input terminals S1 to S7.
Closed: Run by potentiometer frequency reference and run command from the digital operator.
• UP/DOWN command (setting: n056 = 034)
With the FWD (REV) run command entered, accel/decel is enabled by inputting the
UP or DOWN signals to multi-function input terminals S6 and S7 without changing the frequency reference, so that operation can be performed at the desired speed.
When UP/DOWN commands are specified by n056, any function set to n055 becomes disabled; terminal S6 becomes an input terminal for the UP command and terminal S7 for the DOWN command.
Multi-function Input Terminal
S6 (UP command)
Multi-function Input Terminal
S7 (DOWN command)
Operation Status
Closed
Open
Accel
Open
Closed
Decel
Open
Open
Hold
Closed
Closed
Hold
75
76
Time Chart at UP/DOWN Command Input
Notes:
(1) When UP/DOWN command is selected, the upper limit speed is set regardless of frequency reference.
Upper limit speed = Maximum output frequency (n011) x Frequency reference upper limit (n033)/100
(2) Lower limit value is either minimum output frequency (n016) or frequency reference lower limit
(n034) (whichever is greater).
(3) When the FWD (REV) run command is input, operation starts at the lower limit speed without an
UP/DOWN command.
(4) If the jog command is input while running by the UP/DOWN command, the jog command has priority.
(5) Multi-step speed reference 1 to 4 is not effective when UP/DOWN command is selected. Multistep speed reference is effective during running in hold status.
(6) When “1” is set for HOLD output frequency memory selection (n100), output frequency can be recorded during HOLD.
Setting
0
1
Description
Output frequency is not recorded during HOLD.
When HOLD status is continued for 5 seconds or longer, the output frequency during HOLD is recorded and the inverter restarts at the recorded frequency.
77
• Communication/multi-function input terminal selection input
(setting: 18)
Operation can be changed from communication command, or from multi-function input terminal or digital operator command.
Run command from communication and frequency reference are effective when multi-function input terminal for this setting is “closed (register No. 0001H,
0002H).”
Run command in LOCAL/REMOTE mode and frequency reference are effective when “Open.”
Using multi-function analog input (n077, n078, n079)
The input analog signal (0 to 10V or 4mA to 20mA) for the CN2 terminal of the
JVOP-140 digital operator can be used as an auxiliary function for the main speed frequency reference input to the control circuit terminals (FR or RP). Refer to the block diagram on page 111 for details of the input signal.
NOTE
When using the signal for the CN2 terminal of the JVOP-140 digital operator’s a multi-function analog input, never use it or the target value or the feedback value of PID control. (PID control is disabled when n128 is set to 0.)
Multi-function input selection (n077)
No.
Name Unit n077
Multi-function input selection
_
Setting
Range
0 to 4
Initial
Setting
0
78
n077 setting
Setting
0
Name
Disabled
Auxiliary frequency reference (FREF2)
1
2
3
4
Frequency reference gain
(FGAIN)
Frequency reference
(FBIAS)
Frequency detection
Description
The multi-function input is disabled
When frequency reference 2 is selected in multi-step speed reference, the input analog signal for the CN2 terminal becomes the frequency reference. The n025 setting becomes invalid.
Note: Set frequency reference gain to n068 or n071,
and frequency reference bias to n069 or no72.
Provides gain to main frequency reference.
Set the FGAIN to parameter n60 or n074 and the FBIAS to parameter n061 or n075 for the main speed frequency reference. Then, add the FBIAS to the resulting frequency reference.
The amount of the FBIAS to be added is set to n79.
Add the VBIAS to the output voltage after V/f conversion.
79
Analog input level
Auxiliary frequency reference (n077=1)
FREF2
Frequency reference gain (n077=2)
FGAIN
Frequence reference bias (n077=3)
Output voltage bias (n077=4)
80
The VBIAS value to be added is doubled
for 400V class inverters.
Multi-function analog input signal selection (n078)
Parameter No.
Name Unit
Setting
Range n078
Multi-function analog
input signal selection
_
0 = Digital operator terminal
(voltage: 0 to 10V)
1 = Digital operator terminal
(current: 4 to 20mA)
Initial
Setting
0
Frequency reference bias setting (n079)
Parameter No.
Name Unit n079
Frequency reference bias setting
%
Setting
Range
0 to 50
100% / Max. output frequency
(n011)
Initial
Setting
10
81
Using output signals (n057, n058, n059)
Multi-function output terminal MA, MB, P1 and P2 functions can be changed when necessary by setting parameters n057, n058, and n059.
• Terminal MA and MB functions: Set to n057
• Terminal P1 function: Set to n058
• Terminal P2 function: Set to n059
Setting
0 Fault
1 In operation
Name
2
7
10
11
12
3
4
5
6
Agreed frequency
Zero speed
Frequency detection
Frequency detection
Overtorque detection
(NO contact output)
Overtorque detection
(NC contact output)
Minor Fault
Base blocked
Operation mode
Description
Closed when inverter fault occurs.
Closed when either FWD/REV command is input or voltage is output from the inverter.
Closed when setting frequency agrees with inverter output frequency.
Closed when inverter output frequency is less than minimum output frequency.
Output frequency
≥ frequency detection level (n095)
Output frequency
≤ frequency detection level (n095)
—
Ref page
–
–
79
55
–
–
–
–
56
56
55
13
14
15
16
17
18
19
20
21
Inverter operation ready
Fault restart
In UV
In reverse run
In speed search
Data output from communication
PID feedback loss
Frequency reference is missing
Inverter overheat prediction
OH3
—
Closed when the alarm is indicated.
Closed when the inverter output is shut off.
Closed when “LOCAL” is selected by LOCAL/REMOTE selection.
Closed when inverter fault is not detected, and operation is ready.
Closed during fault retry
Closed when undervoltage is detected.
Closed during reverse run.
Closed when inverter conducts speed search.
Operates multi-function output terminal independently from inverter operation (by MEMOBUS communication).
Closed during PID feedback loss
Closed when frequency reference is missing
Closed when overheat prediction is input. Digital operator display is “OH3 (blinking).”
–
–
–
–
–
89
109
–
–
82
