gefran 2850T, Инструкция по использованию и установке, Страница: 68 / 166

66
4. CONFIGURATION
80703B_MHW_2850T/3850T_02-2019_ENG
Counter Functions
Diagram
Formal language
Description
Inputs
Outputs
Timer
no.
type
no.
type
CU:(A) R:(B) SET
:(C)
CTU Q:(Out1) CV
:(Out2)
Incr
easing counter
Input A = incr
ease command
Input B = count r
eset command
Input C = value to be r
eached with
the count Output 1 = Signal generated when the count r
eaches the value of
input C Output 2 = value r
eached by count
Note: The count incr
eases on the
rising edge of input A
3
Only
digital variables ar
e admitted on
inputs A and B such as: •
Digital inputs/outputs
•
Merker
•
Retain Merker
•
System functions (*)
Input B ar
e admitted:
•
analog variables such as:
–
Analog inputs/outputs
–
Register
–
Retain Register
–
Real
–
Retain Real
•
constant values
2
Only
digital variables ar
e admitted on
output 1 such as: •
Digital outputs
•
Merker
•
Retain Merker
Only
analog variables ar
e admitted on
output 2 such as: •
Analog outputs
•
Register
•
Retain Register
•
Real
•
Retain Real
No
CD
:(A)
R:(B) PRESET
:(C)
CTU Q:(Out1) CD:(Out2)
Decr
easing counter
Input A = Decr
ease command
Input B = count r
eset command
Input C = value to be r
eached with
the count Output 1 = Signal generated when the count r
eaches the value of
input C Output 2 = value r
eached by count
Note: The count incr
eases on the
rising edge of input A
3
Only
digital variables ar
e admitted on
inputs A and B such as: •
Digital inputs/outputs
•
Merker
•
Retain Merker
•
System functions (*)
Input C ar
e admitted:
•
analog variables such as:
–
Analog inputs/outputs
–
Register
–
Retain Register
–
Real
–
Retain Real
•
constant values
2
Only
digital variables ar
e admitted on
output 1 such as: •
Digital outputs
•
Merker
•
Retain Merker
Only
analog variables ar
e admitted on
output 2 such as: •
Analog outputs
•
Register
•
Retain Register
•
Real
•
Retain Real
No
(*)
For the list of functions, see paragraph “13.1. System variables” on page 161.