Siemens SIMATIC TI505 Service Manual download pdf (Page 76)

Optional Configurations

5-2

High Speed Counter Encoder Module User Manual

5.1 Overview

Instead

of the default configurations, you can set up other counting and

connection configurations by changing hardware jumpers and setting

software bits in the module setup and preset words.

Default jumpers connect various signals and registers together; however

, to

function correctly

, the module must also be configured in software through

the module setup word and the high byte of preset words. Bits in the setup

word allow you to set preset values, select counter modes, inhibit certain

counters, disable all outputs, or force outputs on. Y

ou must write the

software configuration words from the PLC to the module to match the

desired functions that you selected by jumpers.

Jumpers

must be installed as indicated in the following

paragraphs. Not installing a required jumper may cause a signal

line to float and produce unpredictable counter operation.

This

chapter is organized as follows:

•

First, an overview of the configuration tasks is presented.

•

Second, those jumpers that affect the basic configuration of the module,

and are independent of the software settings, are described.

•

Third, jumper configurations for 24-bit counters 1 and 4 input signals

are described.

•

Fourth, jumper configurations for 24-bit counters 1 and 4 control and

output signals are described.

•

Fifth, software setup options for 24-bit counters 1 and 4 are described.

•

Sixth, jumpers and software configurations for 16-bit counters 2, 3, 5,

and 6 are described.

•

Seventh, a procedure to load the preset words and place the module in

Run mode is presented.

Requir

ed T

asks for

Setting Up Optional

Configurations

CAUTION

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