Building Automation Knowledge Base

Issue A 7791 is used specifically for what? Product Line TAC INET Environment I/NET Site Cause A 7791 is used on security/access control installations. Resolution It is the interface for Door Processing Units (DPUs). (TCON209, 1-20) TCON Number and Title Cross Reference (with links) is TCON information. Explain and define I/NET Ethernet, C-LAN, and Sub-LAN communication is a chart to explain further.

Issue A 7793 is used specifically for what? Environment I/NET site Cause A 7793 is used specifically for what? Resolution A 7793 is the interface for Micro Regulators (MRs), Application Specific Controllers (ASCs), and Door Processing Units (DPUs). (TCON209, 1-20).

Issue How many subLAN controllers can a 7798 support? Environment I/NET site Cause How many subLAN controllers can a 7798 support? Resolution A 7798 can support up to 32 MRs, ASC, DPUs, or any combination on a subLAN. (TCON 209,1-23) Please note that if you are using bin file 1.09, the number of controllers is limited to 27.

Issue What type of protocol does I/NET 2000 use? Environment I/NET 2000 Cause What type of protocol does I/NET 2000 use? Resolution I/NET 2000 uses a proprietary, Token-passing protocol, operating in a tiered LAN architecture. (TCON 209, Communication, 2-1)

Issue Should I use a synchronous modem for integrated dial applications? Environment I/NET site Cause Should I use a synchronous modem for integrated dial applications? Resolution No. The modem should be asynchronous. (TCON209, 2-10)

Issue Can a asynchronous modem communicate to a 78040 or 78050 Tap? Environment I/NET site Cause Can a asynchronous modem communicate to a 78040 or 78050 Tap? Resolution No. These are synchronous only Taps. (TCON 209, 2-14)

Issue Do I need to replace the EPROM on the MIP in my 7760? Environment I/NET site Cause Do I need to replace the EPROM on the MIP in my 7760? Resolution No. (TCON 209, 2-14,15)

Issue Can I set up Auto Dial Auto Answer (ADAA) on a Host without using a 78041 Tap? Environment I/NET site Cause Can I set up Auto Dial Auto Answer (ADAA) on a Host without using a 78041 Tap? Resolution Yes. I/NET 2000 allows the host workstation to emulate a 78041 Tap. (TCON 209, 2-15)

Issue What does "AT&F" do to a modem? Environment I/NET site Cause What does "AT&F" do to a modem? Resolution It resets the modem to its factory default. (TCON209, 2-17,18)

Issue When a Dial link is chosen from a System Page, and the Dial Tap associated with the Tap is busy, what will happen? Environment I/NET site Cause When a Dial link is chosen from a System Page, and the Dial Tap associated with the Tap is busy, what will happen? Resolution The system will roll to the next available system Link Tap. (TCON209, Multiple Site Dial Function, 2-23)

Issue A building has come under new ownership and wants to have the license ownership changed Environment I/NET 2.4x Cause I/NET CD Keys are referenced by site and Company name. When a specific building comes under new ownership, they new owner may wish to change the software license to their name. Resolution For Sites using I/NET 2.31 or older: These sites must purchase an upgrade to the I/NET system and ask for a name change as part of the upgrade.   For Sites using a current License Key: Open I/NET and select Help>About Take a screen capture of this screen Email this screen capture as an attachment to expert.services@schneider-electric.com Please include any information you have about the owner name or address the site may be registered as. Note: Please note that you will be billed for this transaction.

Issue What is the maximum cable length for NPRs on a controller LAN (C-LAN)? Environment I/NET site Cause What is the maximum cable length for NPRs on a controller LAN (C-LAN)? Resolution NPRs on controller LANs are still limited to 1500 meters or 5000 feet. (TCON 209 2-25)

Issue Can I direct connect a workstation or laptop to an NPR? Environment I/NET site Cause Can I direct connect a workstation or laptop to an NPR? Resolution Yes, a workstation can be directly connected to an NPR. Refer to TCON209 for more information.

Issue Do NPRs use downloadable firmware? Environment I/NET site Cause Do NPRs use downloadable firmware? Resolution Like many I/NET devices, the NPR has downloadable firmware. Refer to Chapter 5, Controller Functions. (TCON209, 2-26)

Issue When will the new I/NET 2000 Configuration Profile I've built take effect? Environment I/NET 2000 Cause The New Profile will be running after a restart of the I/O Server. Resolution Shut down I/O Server Start the new profile Reference TCON 209, 2-26 for more information.

Issue May I use the same Name for each NPR in the network? Environment I/NET site Cause May I use the same Name for each NPR in the network? Resolution No. Each NPR must be given a unique name. Spaces, underscores and other symbols may not be used. (TCON 209, 2-27)

Issue Are symbols allowed in the name of the NPR 2000? Environment I/NET site Cause Are symbols allowed in the name of the NPR 2000? Resolution No. Spaces, underscores and other symbols may not be used. (TCON209, 2-27)

Issue Can I assign an IP address to each NPR after I place it on the network? Environment I/NET site Cause Can I assign an IP address to each NPR after I place it on the network? Resolution No. A unique IP address must be entered for each NPR before it is connected to the commercial network. (TCON209 2-27)

Issue What does the Subnet Mask field represent in the NPRs editor? Environment I/NET site Cause What does the Subnet Mask field represent in the NPRs editor? Resolution The Subnet Mask field indicates which sections of the IP address are used to indicate the network on which the NPR resides. (TCON209, 2-27)

Issue What may happen if the same IP address is used by more than one NPR? Environment I/NET site Cause What may happen if the same IP address is used by more than one NPR? Resolution A duplicate IP address will cause a system error message in I/NET, and the NPR will not initiate the appropriate LED error code. (TCON 209, 2-27)