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Chapter 12: Function Blocks LogicPro User’s Guide

190 Watlow Anafaze Doc.# 28002-00 Rev 3.00

The module address is determined by the rotary switch setting on the

face of the module with the exception of the processor module which

has address zero.

The module I/O number is generally the number on the terminal to

which the I/O device is attached, but see the PPC-2000 User’s Guide

to be certain.

The I/O type in the address is a digit that indicates the type of I/O

addressed. Used when addressing I/O in modules that handle more

than one type. Table 12.7 lists the options for the I/O Type digit in

the three-place address.

Table 12.7 I/O Type Digit in IO Physical

Address

Parameter Specific Drivers

The parameter specific IO Drivers (Setpoint, Soft_Input,

Soft_Bool, and Soft_Int) are used to read or set values for

specific parameters. The specific parameter value is addressed

with its database offset.

The database offset is the location of a particular value

relative to the first value of that parameter. For example, to

access channel 17’s setpoint with the Setpoint IO Driver, the

IO Physical address will consist of the database offset, 17.

Table 12.8 lists the parameter specific drivers and the

corresponding database offset ranges.

Table 12.8 Addresses Used with Parameter

Specific IO Drives

Database Driver

The Database IO Driver is used to examine or set values for

any closed-loop control parameter such as Control Mode that

is not supported by one of the other drivers. The Database

driver allows access to all controller parameters. Other drivers

are provided for faster access to specific parameters. Of

course, controller parameters that are read-only cannot be

adjusted. The specific parameter value is addressed with the

Y I/O Type

0 Digital I/O State

1 Count Value

2 Frequency Value

3 Analog Output Value

IO Driver Database Offset

Setpoint Channel Number (1-48)

Soft_Input Soft Input Number (1-50)

Soft_Bool Soft Bool Number (1-1000)

Soft_Int Soft Int Number (1-100)

1 2 ... 201 202 203 204 205 206 207 208 209 210 211 ... 295 296

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