Rockwell-automation 1792D-16BVTOD ArmorBlock MaXum 16 Input Module Ser Manual do Utilizador descarregar pdf (Página 7)

ArmorBlock MaXum 16 Input Module Series B 7

Publication 1792D-IN016B-EN-P - September 2000

DeviceNet Cable

DeviceNet cables are described in the installation publications for the

cable base of your choice. Refer to the following publications:

• 1792D-IN009B-EN-P ArmorBlock MaXum Cable Base

Installation Guide

• DN-6.7.2 DeviceNet Cable Planning and Installation Manual

Communicate With Your ArmorBlock MaXum Module

This ArmorBlock module’s I/O is exchanged with the master through

a polled, change-of-state, or cyclic connection.

The module consumes and produces input data as follows:

Cyclic - allows configuration of the block as an I/O client. The block

will produce its I/O cyclically at the rate configured.

Polled - a master initiates communication by sending its polled I/O

message to the module. The 16 input module scans the inputs and

fault bits producing a response that reflects their status.

Change of State - productions occur when an input changes or a

fault condition occurs. If no input or fault condition change occurs

within the expected packet rate, a heartbeat production occurs. This

heartbeat production tells the scanner module that the module is alive

and ready to communicate.

Refer to the table below for the word/bit definitions.

Type of I/O Connections Consumes Produces

Cyclic 0 Byte 4 Bytes

Polled 0 Byte 4 Bytes

Change-of-State 0 Byte 4 Bytes

Bit 0706050403020100

Produces 0 I7 I6 I5 I4 I3 I2 I1 I0

Produces 1 I15 I14 I13 I12 I11 I10 I9 I8

Produces 2 ISC-H ISC-G ISC-F ISC-E ISC-D ISC-C ISC-B ISC-A

Produces 3 OW-H OW-G OW-F OW-E OW-D OW-C OW-B OW-A

Where: OW = Off Wire I = Input ISC = Input Short Circuit in Sensor Source Voltage

1 2 3 4 5 6 7 8 9 10 11 12 ... 15 16

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Rockwell-automation 1792D-16BVTOD ArmorBlock MaXum 16 Input Module Ser Manual do Utilizador Página 7