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)
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