Rockwell-automation 57C620 AutoMax Programming Executive Version 3.8 Instrukcja Użytkownika Pobierz pdf (Strona 54)

4Ć20 AutoMax Programming Executive Version 3.x

You will then be prompted for a coil description which begins at the

blinking

cursor

. The description field will show the last coil description

entered as the default.

F9 Ć Other Operations

Five other output operations are described below. They are entered

using the F9 key followed by the letter indicated. T

o enter one of

these

outputs, the cursor must be in the top row of the matrix allowed

for a ladder sequence.

1. T Ć OnĆDelay Timer Coil

The OnĆDelay Timer provides a logically true output whenever the

input is true and the preset time interval has elapsed.

Enter the coil name and define it as either local or common. Then

enter the coil description. You will then be prompted for the PN",

PV", and CN".

The

PN, or

preset name, is the name of the variable that specifies the

delay between the input turning on and the output turning on. You

must define the PN as either local or common.

Next,

enter the PV

, or preset value. The preset value unit is 1/10th of a

second.

or example, a PV of 10 corresponds to a 1.0 second delay.

Legal values range from 1 to 32767.

The CN, or current value name, is the name of the variable that

specifes the current value of the timer. Current names must be

unique. After you enter the CN, define it as either local or common.

The CV, or current value, is not specified at this time. It will be

displayed only when you are online and monitoring the task.

2. O Ć OffĆDelay Timer Coil

The OffĆDelay timer provides a logically false output whenever the

input is false and the preset time interval has elapsed.

Enter the offĆdelay timer coil in the same manner as the onĆdelay

timer coil described in number 1 above. W

ith the Off

ĆDelay Timer

Coil, the preset value (PV) defines how long the output stays on after

the input turns off.

3. C Ć Counter Coil

The Counter is capable of counting over the range of +/Ć32767.

Enter the coil name and define it as either local or common. Then

enter the coil description. You will then be prompted for the PN",

PV", and CN".

The preset name (PN) is the name of the variable that selects the

value

at which the output will turn on. Define the PN as either local or

common.

Next, enter the preset value (PV). Legal values range from Ć32767 to

+32767.

The current value name (CN) is the name of the variable that holds

the current value of the counter. After entering the CN, define it as

either local or common.

The

current value (CV) is not specified at this time. It is displayed only

when you are online and monitoring the task.

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