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Old March 20th, 2017, 08:38 AM   #1
brown2121
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1769-l32E Message

I am trying to do a CIP Read to a 1769-L32E from a 1769-L30ER but I keep getting a 16#0001 error.

path = LocalENB,2,10.10.2.15,2,0
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Old March 20th, 2017, 08:45 AM   #2
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http://www.plctalk.net/qanda/showthread.php?t=51059

The above link may help you out.

Regards,
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Old March 20th, 2017, 08:57 AM   #3
brown2121
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So looking at the suggested thread I changed my path to the following and I am still getting the error.

path = LocalENB,2,10.10.2.15,1,0
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Old March 20th, 2017, 09:09 AM   #4
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Are both PLCs on the same subnet?
If yes, can you put your PC on that subnet and ping both units?
If no, Is there routing setup to allow them to talk?
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Old March 20th, 2017, 09:10 AM   #5
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Your path should read something like this:
1,1,2,10.10.2.15,1,0

1,S1,2,xxx.yyy.zzz.www,1,S2
Where:
1 is the backplane for the first chassis (the clx backplane always uses 1)
S1 is the slot of the 1756-ENBT in the first chassis (the first position on the left is 0, second 1,...)
2 is to go outside to the Ethernet (always 2)
xxx.yyy.zzz.www is the IP address of the 1756-ENBT in the second chassis
1 is the backplane for the second chassis (always 1 for clx)
S2 is the slot of the CLX in the second chassis (starting from left the first position is 0, second 1,...)
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Old March 20th, 2017, 09:11 AM   #6
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They are both on the same subnet and pingable
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Old March 20th, 2017, 09:16 AM   #7
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1,1,2,10.10.2.15,1,0 is the same as LocalENB,2,10.10.2.15,1,0 correct?
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Old March 20th, 2017, 09:33 AM   #8
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Figured it out.....the 1769-L32E is behind a NAT


Thanks All
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Old March 20th, 2017, 10:57 AM   #9
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Ok I'll ask it...............

What's a NAT
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Old March 20th, 2017, 10:59 AM   #10
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Network Address Translation https://en.wikipedia.org/wiki/Networ...ss_translation

Same thing a home router does, takes 1 address space(The IP your ISP provides for example) and maps it to another(The likely 192.x.y.z address' your home stuff runs on.
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