Schneider Altivar 21 VW3A21101 handleiding

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Handleiding

1760917 11/2009 11

4.3.3. Comparing function “comp”

This function enables the operator to compare data stored in two memories selected from among four

memories (the inverter’s memory and Remote Keypad memories A, B, and C) as well as to search for

parameters that differ from each other.

The comparing function cannot be used for editing parameters because it is provided only for

searching parameters that differ from each other. Use the “REMOTE KEYPAD MODE” function

described in section 4.2 to edit parameters.

Operating procedure

Key LED indication

Key operation and description

SFT

“c0py” → ”c0mp”

< Selecting a desired function >

Select “

comp” (comparing function) with the [SFT] key.

ENT

”comp” → “in”

< Entering the selected function >

After selecting “

comp” with the [SFT] key, press the [ENT] key and

“

in” (selecting inverter memory) appears in the display window.

SFT

“in” → “a” → “b” → “c”

→ “in”

< Selecting a memory >

Each time the [SFT] key is pressed, the display changes as follow

“

in” (selecting inverter memory)

“

a” (selecting memory A)

“

b” (selecting memory B)

“

c” (selecting memory C)

and to “

in” again in this order.

ENT

“in” → “in a”

< Entering the memory >

After selecting the memory, press the [ENT] key. For example,

select “

in”, press [ENT] key, and “in a” appears in the display

window.

SFT

“in a” → “in b”

→ “in c” → “in a”

“a in” → “a b”→

“a c” → “a in”

< Selecting a memory to compare its data with that of the previously

selected memory >

Each time the [SFT] key is pressed, the display changes as follow

“

in a”: comparing data between inverter memory and memory A

“

in b”: comparing data between inverter memory and memory B

“

in c”: comparing data between inverter memory and memory C

and to “

in a” again in this order.

If for example memory A is selected instead of “

in” different

indication appears as shown in parentheses.

ENT

“in<a” → (flashing)

< Entering the selected memory to compare its data with the

original >

After selecting “

in a” (selecting memory A to compare its data

with that of the inverter's memory for example), press the [ENT] key,

and Remote Keypad starts comparing the data of the two memories

with each other.

ENT

“f000” → “f999”

< Executing data comparison (searching different parameters) >

Remote Keypad compares parameters consecutively while

displaying the parameter title. When Remote Keypad finds two

parameters that differ from each other, it discontinues comparing

operation and shows the parameter title flashing in the display

window.

Press the [ENT] again to continue the comparing operation.

―――――

“c0mp” → “end”

→ “_ _ _ _” (4 digits)

< Comparing is complete >

With completion of data comparison, “

end” appears in the display

window followed by “_ _ _ _” which indicates the CRC code

(calculated from the copied data). The CRC code value changes

depending on the condition of the data in the selected memory.

ENT

“_ _ _ _” → “comp”

< Ending comparing >

Press the [ENT] key and the indication in the display window

returns to “

comp”.

- If the [ESC] key is pressed, Remote Keypad returns to previous status (except when executing).

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