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N9 cip_setup – Rockwell Automation 1404-M4_M5_M6_M8 Powermonitor 3000 User Manual, PRIOR to Firmware rev. 3.0 User Manual

Page 288

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Publication 1404-UM001D-EN-E - October 2004

C-34 Sample Applications

While other words in the N7 SCNR_FILE are important to
communications these values are copied from file N9 CIP_SETUP to
file N7.

N9 CIP_SETUP

This file is the CIP message setup file. The importance of the
following words should be noted.

Table C.11

Bit #

Importance N7:0

Read/Write

N7:0/15

EN - Written to by the ladder to enable
communication transaction.

R/W

N7:0/14

Unused

N/A

N7:0/13

DN bit - Response received

R

N7:0/12

ER bit - Error bit returned form SCNR
scanner

R

N7:0/11

CO - Continuous mode Not used

N/A

N7:0/10

EW - Message taken into account by
1747 - SCNR scanner

R

N7:0/9

SUCCESS - Used by ladder for notification
of successful communication transfer.

R

N7:0/8

TO - The message transaction has timed
out.

R

Table C.12

Word
#

Description of Function

N9:0

Not used by CIP_SETUP.

N9:1

Target MAC ID (Power monitor MAC ID)

N9:2

Communication transaction timeout setting in ms. (2048 recommended)

N9:3

Complex IOI size. Not used and set to 0.

N9:4

Service code. 0xE for Get Attribute Single or 0x10 Set Attribute single.

N9:5

Class code of Instance Object. Power monitor class 4 assembly instance.(4)

N9:6

Targets Instance number to read or write.

N9:7

Target Attribute. Power monitor Attribute of assembly instance is 3. (3)

N9:8

Target member number. (Not used)