Isolation network module

I have a FP-1000 network module with a FP-AI-100, FP-DI-300 and FP-DO-403. I am using RS-232 serial communication. I have fried both of my computer's serial ports. Nothing happen to the network module or I/O modules. Can any one tell me what happen? How do I prevent this? I think I need an isolation serial board. Can anybody confirm that?
Yan

Hello Yan,
I am not sure how your computer's serial ports got fried, I've actually never run into this before. The only thing I can think of is either a defective (or out of spec) power supply for the computer or a defective (or out of spec) power supply for the fieldpoint controller. If you had a serial isolation board, it's possible that it would help, but I'm somewhat doubtful. The isolation boards provide isolation from port to port. So you could still fry those ports depending on what is currently frying your ports. Perhaps you could give us some more information about your system set up, the conditions surrounding the frying of the computer's com ports, and any other information or troubleshooting you have done that may be relevant.
Thanks,
E.Lee
Eric
DE For Life!

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I can't install flash player on a server in an isolated network.

I have a Win2008 server in an isolated network with no Internet access. I was able to download the newest Flash Player and tried to install it on the server. It fails with the message "actionlist not found". How do I install Flash Player on a system with no Internet Access?
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it is power cycled it works again. We have another FP1600 on same network with no problem. Ethernet drop is 230 feet. Part# is 185690E-01, firmware 4.11. I have swapped it with a spare unit we have of the same part number, 185690E-01 and firmware release.Mike,
Thank you for using the discussion forums. If possible, please generate a phone support request at ni.com/ask. One of our engineers will be happy to help you resolve this particular issue.
Regards,
Michael Shasteen
Applications Engineering
National Instruments
www.ni.com/ask
1-866-ASK-MY-NI

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> See above. The most common scenario is to allocate a new IP subnet.
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> Yes. This is the IP address that is assigned to the NME-WAE.
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> Correct.
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Using Fieldpoint Explorer, I am having trouble configuring outputs on my RLY-420 and PWM-520 modules attached to an FP-1000 network module

I have noticed that I can not get my Relay module to turn off all of the channels, also I can only set the PWM modules down to ~4% output.
I have tried to "Reset" the factory defaults on the FP-1000. I've tried to configure the powerup states of the different modules, all with no luck.
I have made sure I am running with the latest firmware on the FP-1000
I did notice this problem before upgrading the firmware. Immediately after doing the upgrade the problem went away for a short while. Now it is back again.
My system is configured as follows:
1 FP-1000 network module @address 0
4 FP-TC-120 modules @1,
2, 3, 4
2 FP-TB-10 dual channel bases @ 5, 6
2 FP-PWM-520 modules @ 7, 8
1 FP-RLY-420 module @ 9
Something seems to me to be happening with my .iak file in FieldPoint Explorer, of course I could be completely off base.
I appreciate any insight anybody might have with this problem
Kerry Libberton
TDA Research
Wheat Ridge, CO

Kerry,
There are several different things that may be going on here. First of all, there may be an issue with power consumption. A network module (FP-1000 in this case) is designed to source up to 9 Watts of power to I/O modules. This assumes an average of 1 Watt per module. Certain modules require more than 1 Watt, most require less leaving extra power for the ones that require more. In your configuration, you may be over this depending upon how your FP-TB-10's are populated. Assuming that the TB-10 is unpopulated, your consumption is 4 * 0.35 + 2 * .25 + 2 * 0.6 + 1.7. = 3.8 Watts. Thus, the load from the Dual Channel modules may not exceed 5.2 Watts. If you are using exclusively the Dual Channel Analog Out Current modules, you will overload the power supply.
Anothe
r thing to look at is when resetting the network module, check the box that says factory configuration. After the reset, uncheck the box and then configure your channels and power-up values (edit this device on each module).
Also, there are some times when relays may get "stuck" in an on position due to extremely high inductive loading. I have not seen that happen very frequently, but it does make me wonder, what type of load are you driving on the relay channels?
The PWM module, has 12 bit resolution, and will accept values of 0% for the output duty cycle. What value for the period have you set?

Isolation network module

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