6
-62
Application Precautions
•
Jog frequencies using FJOG and RJOG commands have the priority over other frequency references.
•
When both FJOG command and RJOG commands are ON for 500 ms or longer at the same time, the
Inverter stops according to the setting in b1-03 (stopping method selection).
Stopping the Inverter on External Device Errors (External Error Function)
The external error function activates the error contact output and stops the Inverter operation. Using this func-
tion the inverter operation can be stopped on peripheral devices break down or other errors. The digital opera-
tor will display EFx (External error [input terminal Sx]). The x in EFx shows the number of the terminal at
which the external error signal is input. For example, if an external error signal is input to terminal S3, EF3
will be displayed.
To use the external error function, set one of the values 20 to 2F in one of the constants H1-01 to H1-05
(multi-function contact input terminal S3 to S7 function selection).
Select the value to be set in H1-01 to H1-05 from a combination of any of the following three conditions.
•
Signal input level from peripheral devices
•
External error detection method
•
Operation during external error detection
The following table shows the relationship between the combinations of conditions and the set value in
H1-
.
Note: 1. Sets the input level at which errors are detected. (NO contact: External error when ON; NC contact: External error when OFF).
2. Set the detection method to detect errors using either constant detection or detection during operation.
Constant detection: Detects while power is supplied to the Inverter.
Detection during operation: Detects only during Inverter operation.
Set
Value
Input Level
(See Note 1.)
Error Detection Method
(See Note 2.)
Operation During Error Detection
NO Con-
tact
NC Con-
tact
Constant
Detection
Detection
During
Operation
Deceler-
ate to Stop
(Error)
Coast to
Stop
(Error)
Emer-
gency
Stop
(Error)
Continue
Operation
(Warning)
20
Yes
Yes
Yes
21
Yes
Yes
Yes
22
Yes
Yes
Yes
23
Yes
Yes
Yes
24
Yes
Yes
Yes
25
Yes
Yes
Yes
26
Yes
Yes
Yes
27
Yes
Yes
Yes
28
Yes
Yes
Yes
29
Yes
Yes
Yes
2A
Yes
Yes
Yes
2B
Yes
Yes
Yes
2C
Yes
Yes
Yes
2D
Yes
Yes
Yes
2E
Yes
Yes
Yes
2F
Yes
Yes
Yes
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