Miscellaneous functions – Hitachi L300P User Manual

Page 124

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L300P Inverter

Configur

ing Dr

iv

e

P

a

ra

met

e

rs

3–55

Miscellaneous
Functions

The following table contains miscellaneous functions not in other function groups.

C102/C103: Reset Mode / Restart Mode – The reset mode selection, set via parameter C102,
determines how the inverter responds to the [RS] intelligent input signal or keypad Stop/Reset
key in a trip condition. The options allow you to cancel the trip on either the OFF-to-ON or
ON-to-OFF transition of [RS], and if desired, stop the inverter if it is in Run Mode. A trip event
causes the inverter output to the motor to turn OFF immediately. If in Run Mode when the trip
occurred, the inverter and motor will enter free-run stop (coasting) operation. In some applica-
tions, the motor and load will still be coasting when the inverter returns to normal Run Mode
operation. For that situation, you can configure the inverter output (C103=00) to resume opera-
tion from 0 Hz and accelerate normally. Or, you can configure the inverter (C103=01) to
resume operation from the current speed of the motor (frequency matching)—often used in
applications such as HVAC.

“C” Function

Run

Mode

Edit

Lo Hi

Defaults

Units

SRW Display

Func.

Code

Name

Description

–FE2

(CE)

–FU2

(UL)

–FR

(Jpn)

C091

Debug mode enable

Two option codes:
00 Display
01 No display

✘ ✔

00

00

00

>C091 INITIAL

DEBG OFF

C101

Up/Down memory
mode selection

Controls speed setpoint for
the inverter after power
cycle. Two option codes:
00 Clear last frequency

(return to default
frequency F001)

01 Keep last frequency

adjusted by UP/DWN

✘ ✔

00

00

00

>C101 UP/DWN

DATA NO-STR

“C” Function

Run

Mode

Edit

Lo Hi

Defaults

Units

SRW Display

Func.

Code

Name

Description

–FE2

(CE)

–FU2

(UL)

–FR

(Jpn)

C102

Reset mode selection

Determines response to
Reset input [RS].
Three option codes:
00 Cancel trip state at input

signal ON transition,
Stops inverter if in Run
Mode

01 Cancel trip state at signal

OFF transition, Stops
inverter if in Run Mode

02 Cancel trip state at input

signal ON transition, no
effect if in Run Mode

✔ ✔

00

00

00

>C102 RESET

SELECT ON

C103

Restart mode after reset

Two option codes:
00 Restart at 0 Hz
01 Resume operation after

frequency matching

✘ ✔

00

00

00

>C103 RESET

f-Mode ZST

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