beautypg.com

Rockwell Automation 1760-xxxx Pico GFX-70 Controllers User Manual User Manual

Page 390

background image

Publication 1760-UM002B-EN-P - March 2005

A-18 Specifications

Table A.19 Function Block Coils

Coil

Meaning of abbreviation

Description

C_

count input

Counter input

D_

direction input

Count up/down indicator

ED

enable Differential component

Activate differential component

EI

enable integral component

Activate integral component

EN

enable

Enable module

EP

enable proportional component

Activate proportional component

RE

reset

Reset actual value to zero

SE

set enable

Set to a predefined value

ST

stop

STOP block processing

T_

trigger

Trigger coil

Table A.20 Function Block Contacts

Contact

Meaning of abbreviation

Description

CY

carry

Status “1”, if the value range is
exceeded; (carry)

E1

error 1

Error 1, dependent on function block

E2

error 2

Error 2, dependent on function block

E3

error 3

Error 3, dependent on function block

EQ

equal

Comparison result, status 1 if values
equal.

FB

fall below

Status “1”, if the actual value is less
than or equal to the lower set point
value;

GT

greater than

Status 1 if the value at I1 > I2;

LI

limit indicator

Value range manipulated variable
exceeded

LT

less than

Status 1 if the value at I1 < I2;

OF

overflow

Status “1”, if the actual value is
greater than or equal to the upper set
point value;

Q1

output (Q1)

Switch output

QV

output value

Current actual value of the function
block (e.g. counter value)

ZE

zero

Status “1”, if the value of the element
input QV is equal to zero;