Rockwell-automation 1792D-2BV0D ArmorBlock MaXum 2 Input Module Series Manual de usuario descargar pdf (Pagina 8)

8 ArmorBlock MaXum 2 Input Module Series B

Publication 1792D-IN019B-EN-P - September 2000

Communicate With Your ArmorBlock MaXum I/O

Module

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

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

The module produces input data as follows:

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

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

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

message to the module. This 2 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 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 1 Bytes

Polled 0 Byte 1 Bytes

Change-of-State 0 Byte 1 Bytes

Bit 0706050403020100

Produces 0 OW-B OW-A ISC-B ISC-A RSVD RSVD I1 I0

Where: OW = Off Wire I = Input RSVD = Reserved ISC = Input Short Circuit in

Sensor Source Voltage

Byte Bit Description

Produces 0 00-01

02-03

04-05

06-07

Input status bits: When the bit is set (1), the input is on. Bit

00 = input 0, bit 01 = input 1.

Reserved

Sensor source voltage, input short circuit (ISC): Fault bits are

set (1) when the sensor source voltage is faulted. Bit 04 =

ISC-A on connector A, bit 05 = ISC-B on connector B.

Off-Wire fault (OW): Bit 06 = OW-A on connector A, bit 07 =

OW-B on connector B.

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Rockwell-automation 1792D-2BV0D ArmorBlock MaXum 2 Input Module Series Manual de usuario Pagina 8