Rockwell-automation 1760-xxxx Pico GFX-70 Controllers User Manual Manual do Utilizador descarregar pdf (Página 152)

Publication 1760-UM002B-EN-P - March 2005

4-42 Wiring with Pico GFX-70

Analog Value Comparator Operating Modes

Contacts

A 01Q1 to A 32Q1

Memory Requirement of the Analog Value Comparator

The analog value comparator function block requires 68 bytes of memory plus

4 bytes per constant on the function block inputs.

Figure 4.26 Signal diagram of the analog value comparator

1. actual value on >I1

2. set point value on >I2

3. hysteresis on >HY

4. switching contact (make contact)

5. offset for value

>I1

Parameter Function

GT

>I1 greater than >I2

EQ >I1 equal to >I2

LT >I1 less than >I2

1

3

2

4

AB C

3

1

6

1

5

1 2 ... 147 148 149 150 151 152 153 154 155 156 157 ... 399 400

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