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Old January 10th, 2020, 06:20 AM   #1

obi1987 is offline
Join Date: Jan 2014
Location: lahore
Posts: 113
Guardlogix and Point IO

I am facing one problem on each download one of the point just get in fault and error is resource unavailable.
I have 2 racks of point and same goes for both on each dowbload random module get faulty.At the moment, I am keeping one module as inhibit.

PLC : Guardlogix l81es
Chassis size : 11
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Old January 10th, 2020, 08:17 AM   #2
United States

Picklemon is offline
Join Date: Mar 2008
Location: Michigan
Posts: 28
I ran into this a few years back.
The AENTR can only have 20 CIP connections, if safety modules are used.
By my count, you are at 21 connections with default settings.

Access Level: TechConnect

Basically, it means reducing the connections in each rack.

I had to change the connection type to none in the module definition of the AENTR.
This only works if there are no standard digital I/O modules.

I also had to disable the test output data in the IB8S module definitions on a few modules where I didn't need test outputs.

Reference manual: pages 79,

Each safety module takes up 2 connections with default settings.
The AENTR takes 1 connection, as well.
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Old January 27th, 2020, 01:13 PM   #3

obi1987 is offline
Join Date: Jan 2014
Location: lahore
Posts: 113
Thanks change type to none works for me.
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