Pippin
Jr. Member
Posts: 17
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« on: October 12, 2007, 12:30:32 pm » |
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Okay -
I tried the Report By Exception ladder logic in a DL06 with the ecom100 in the 4th (last) slot
and network snooping shows nothing coming out of the PLC at all. The IP and Mac address are correct, so what else needs changing which I'm too dense to have noticed? (Tried various base and slot #'s from 1 to 4 with no effect - nothing else seems to be plc dependent).
Did flip the internal last jumper - as required for email support . . . and it can generate email . . .
The logic "thinks" packets are going out, no obvious error messages generated . . .
Anyway of 'faking' the same effect with a IBOX instruction?
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franji1
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« Reply #1 on: October 12, 2007, 02:02:58 pm » |
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Does your Ethernet packet snooper see the Email stuff?
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Pippin
Jr. Member
Posts: 17
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« Reply #2 on: October 12, 2007, 02:55:01 pm » |
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Yep - Wireshark has no problem seeing all of that traffic.
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Pippin
Jr. Member
Posts: 17
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« Reply #3 on: October 12, 2007, 02:56:48 pm » |
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Although I do see it ARPing for itself for some reason . . .
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Pippin
Jr. Member
Posts: 17
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« Reply #4 on: October 12, 2007, 04:27:17 pm » |
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If I flip the protocol to be 3 (Host Ethernet Raw), then it starts to show up on Wireshark.
BTW - If I flip the IP # via NETEDIT to something different, and load up a ladder using the new IP # and run it, Wireshark still reports the ecom100 still send stuff out as the old IP #.
At least until the power gets rebooted - so maybe I better retry my tests and cycle the power after each new ladder gets loaded.
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Pippin
Jr. Member
Posts: 17
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« Reply #5 on: October 12, 2007, 04:33:58 pm » |
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Nope -
IPX is visible, Host Ethernet is visible, UDP/IP is not.
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franji1
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« Reply #6 on: October 12, 2007, 04:55:32 pm » |
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Have you properly configured the IP Address and Subnet Mask in the ECOM100?
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Pippin
Jr. Member
Posts: 17
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« Reply #7 on: October 12, 2007, 06:22:40 pm » |
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email works - so that is a "yes".
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franji1
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« Reply #8 on: October 12, 2007, 06:26:26 pm » |
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Not necessarily, is everything on the same subnet (ECOM100, SMTP Server, and RBE computer?)
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Greg
HOS†ech
Host Moderator
Posts: 320
Hmmm...
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« Reply #9 on: October 15, 2007, 11:23:51 am » |
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Although I do see it ARPing for itself for some reason . . .
FYI, this normal. This behavior actually helps "teach" wireless routers. |
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"You have to believe in free will. You have no choice." -Isaac Bashevis-Singer
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Pippin
Jr. Member
Posts: 17
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« Reply #10 on: October 15, 2007, 11:38:01 am » |
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Yep - same subnet. Which is why the fact that everything else but what I want shows up is so annoying.
BTW, tried this with 2 ecom100's - same responce, so about to pull out an old ecom from other equipment
and see if it works any different.
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MikeS
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« Reply #11 on: October 15, 2007, 02:24:20 pm » |
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the number one thing folks get wrong in this example is not matching up the correct SPxxx bits and the slot number - and it's not any easier because of the SP bits / Slot #'s aren't consistent across the PLC lines.
The example program I have running is for slot 1 (K0190), using SP120 (busy) and SP121 (Error) contacts in the logic. For Slot 4 (K0490), you'd use SP126 (busy) and SP127 (error).
Make doubley (sp?) sure the MAC address and the IP address are correct for the PC that's running the application that displays the packets (Viewer.Exe).
In Viewer.Exe:
1. make sure you select the ECOM100 that sending the packets (Device -> Select Device)
2. make sure the port it's listening on (default in the example program is 0x7777) is what's selected (check View-> Setup menu)
3. make sure you've selected UDP protocol and Display Data as HEX
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Good design costs a lot. Bad design costs even more.
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Pippin
Jr. Member
Posts: 17
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« Reply #12 on: October 15, 2007, 03:23:11 pm » |
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An H4-ecom worked fine on the first go at the logic, so just going to call it a moral victory and just use that modules instead of twiddling more with the DL06 Ecom100.
Although the working module is sending out packets even with the *wrong* SP Com Relays specified - which I guess it works just so long as something else isn't sitting in that slot.
Thanks -
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MikeS
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« Reply #13 on: October 22, 2007, 03:01:36 pm » |
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I bet the problem is the disconnect between the slot number and the SP's. The DL05 is the odd PLC in that is uses the SP bit's for slot 0 (SP120, SP121) but the slot is 1 (K0190).
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Good design costs a lot. Bad design costs even more.
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franji1
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« Reply #14 on: October 22, 2007, 03:18:58 pm » |
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Attached is a handy table I came up with when developing the Network IBoxes
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