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1794-ir8 write, 1794-ir8 word/bit descriptions – ProSoft Technology 3170-PDP User Manual

Page 36

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3170-PDP ♦ FLEX Platform

How Communication Takes Place and I/O Image Table Mapping

FLEX I/O™ PROFIBUS Adapter

Page 36 of 152

ProSoft Technology, Inc.

August 23, 2007

Dec.

Bit

15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00

Read Word 7

Channel 5 Input Data

Read Word 8

Channel 6 Input Data

Read Word 9

Channel 7 Input Data

Read Word 10 Overrange Bits

Underrange Bits

Read

Word

11

0 0 0 0 0 Bad

Cal

Cal
Done

Cal
Range

0 Diagnostic

Status

Bits

Pwr
Up

0 0 0

1794-IR8 Write

Dec.

Bit 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00

Oct.

Bit 17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00

Write Word
1

8-bit Calibration Mask

Cal
Clk

Cal Hi
Cal Lo

Filter Cutoff

Enh MDT

Write Word
2

RTD 3 Type

RTD 2 Type

RTD 1 Type

RTD 0 Type

Write Word
3

RTD 7 Type

RTD 6 Type

RTD 5 Type

RTD 4 Type

Where: Enh = Enhanced
MDT = Module Data Type

1794-IR8 Word/Bit Descriptions

Word

Dec. Bits (Octal
Bits)

Description

Read Word 1

00 to 15 (00 to 17) Reserved

Read Word 2

00 to 15 (00 to 17) Channel 0 Input data

Read Word 3

00 to 15 (00 to 17) Channel 1 Input data

Read Word 4

00 to 15 (00 to 17) Channel 2 Input data

Read Word 5

00 to 15 (00 to 17) Channel 3 Input data

Read Word 6

00 to 15 (00 to 17) Channel 4 Input data

Read Word 7

00 to 15 (00 to 17) Channel 5 Input data

Read Word 8

00 to 15 (00 to 17) Channel 6 Input data

Read Word 9

00 to 15 (00 to 17) Channel 7 Input data

Read Word 10 00 to 07

Underrange bits – these bits are set if the input signal is
below the input channel's minimum range.

08 to 15 (10 to 17) Overrange bits – these bits are set if 1), the input signal is

above the input channel's maximum range, or 2), an open
detector is detected.

Read Word 11 00 to 01

Not used – set to 0

02 Reserved
03 Powerup bit – this bit is set (1) until configuration data is

received by the module.

04 to 06

Critical Error bits – If these bits are anything other than all
zeroes, return the module to the factory for repair

07

Unused – set to 0