Rockwell-automation 1760-xxxx Pico GFX-70 Controllers User Manual Manual de usuario descargar pdf (Pagina 157)

Publication 1760-UM002B-EN-P - March 2005

Wiring with Pico GFX-70 4-47

Data Block Comparator

Pico GFX-70 provides 32 function blocks BC01 to BC32 for comparing

values of two consistent marker ranges. The comparison is in byte format. The

following marker types can be compared:

•MB

•MW

•MD

The function block is enabled in the circuit diagram.

Figure 4.27 Pico GFX-70 circuit diagram with enabling of data block comparator

function block

Parameter display and parameter set for a data block comparator:

Only constants can be modified in the parameter display of a function block.

According to the operands at the inputs

>I1 and >I2 the following operating

modes are possible:

Inputs

The function block inputs >I1, >I2 and >NO can have the following operands:

I 05--------------------------[ BC27EN

BC27E1-

|

BC27E2-|

BC27E3-

|

----------------------[ M 48

BC27EQ-BC27EN-----------------[ M 49

BC27 +

>I1

>I2

>NO

BC27 Data block comparator function block number 27

+ Appears in the parameter display

>I1 Start of comparison range 1

>I2 Start of comparison range 2

>NO Number of elements to be compared in bytes per range. Value range 1 to + 383

1 2 ... 152 153 154 155 156 157 158 159 160 161 162 ... 399 400

Comentarios a estos manuales

Sin comentarios