Triconex MP3101 – Trident Redundant Processor Module, Advanced Control Solutions for Industrial Automation
Connecting to a TriStation PC You can connect a Trident controller to a TriStation PC using a 10BaseT cross-over cable or an Ethernet network hub. This section provides instructions for both methods. An MP uses Ethernet protocol to communicate with a TriStation PC and requires the installation of an Ethernet card, a 10BaseT cross-over cable, and the Data Link Control (DLC) protocol in the PC. Connecting TriStation to an MP Port If your controller does not include a Communication Module, you must connect the TriStation PC to one of three TriStation ports on the MP Baseplate. You can make a direct connection using a 10BaseT cross-over cable, or you can connect using a 10BaseT straight-through cable to an Ethernet network or hub. ▼ To connect a TriStation PC to an MP port using a cross-over cable: 1 Attach one end of the cross-over cable to one of the RJ-45 connectors on the MP Baseplate. This is normally MP A, as shown in the following illustration. 2 Attach the other end of the cross-over cable to the network adapter card in the PC. For instructions on logically connecting a controller to a TriStation PC and downloading an application, see the TriStation 1131 Developer’s Guide.
Triconex MP3101 – Trident Redundant Processor Module, Advanced Control Solutions for Industrial Automation
Configuring Output Voter Diagnostics Output voter diagnostics (OVD) is a set of tests that detects failures in the output voting circuitry of DO Modules only. OVD runs without operator intervention or awareness and enables the Trident controller to continually verify its own integrity. The diagnostics operate as follows: During execution, the commanded state of each point in the output circuitry is momentarily reversed on each of the output drivers, one after another. I⁄O loop-back on the module allows each microprocessor to read the output value of the point to determine whether a latent fault exists within the output circuit. If a failure occurs, replace the failed module immediately so that the fault tolerance capability remains in effect. Triconex guarantees that a glitch to a load lasts less than 2 milliseconds. To ensure safety, you should analyze the sensitivity of each load device attached to the controller for proper operation. The less-than-2-millisecond glitch is tolerated well by electromechanical devices, such as relays, solenoids, and contacts. For assistance with load devices that might be sensitive to such glitches, consult a Triconex Field Service Engineer. If glitches are not tolerable in your controlled process, disable OVD using TriStation. Disabling OVD on DO Modules To enable and disable OVD for testing, use the appropriate system attribute in your TriStation project. Leave OVD enabled for several minutes. When testing is done, disable OVD. If you disable OVD, be sure to schedule regular maintenance periods to ensure the overall integrity of the controller. During maintenance, shut down the controlled process and enable OVD. It is not necessary to cycle the outputs to On and Off states to ensure complete fault coverage.
Triconex MP3101 – Trident Redundant Processor Module, Advanced Control Solutions for Industrial Automation
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Triconex MP3101 – Trident Redundant Processor Module, Advanced Control Solutions for Industrial Automation
After the controller is installed and before running an application, verify that the controller is operational.
▼ To verify the controller:
1 Verify that the controller is properly grounded according to directions in “Effective Grounding Methods” on page 149.
2 Remove incoming power, install I⁄O and extension bus wiring, and perform a static check of the wiring.
3 Before connecting field I⁄O wiring, apply power to each baseplate.
4 Within five minutes, verify that the green Pass indicators on the MPs and all I⁄O modules go on.
5 Connect the TriStation PC to the appropriate port on the MP.
6 Connect the field I⁄O wiring and devices.
7 Verify that all process equipment connected to the controller is disabled to prevent accidental start-up of the equipment during testing.
8 Turn on power to the controller and the TriStation PC.
9 Download the TriStation project.
10 Using the TriStation Control Panel, test all inputs and outputs.
11 To verify the connections of all I⁄O points to the field wiring, use the TriStation Control Panel.
12 With output devices disabled, use TriStation facilities to verify the application.
13 When satisfied that the application is operating properly, enable the output devices and the process equipment according to the safety requirements for your environment.
You have now made every effort to ensure that your Trident controller is problemfree. However, should problems arise, please call a Triconex Field Service Engineer before starting up your process-control operation.
Triconex MP3101 – Trident Redundant Processor Module, Advanced Control Solutions for Industrial Automation
Triconex MP3101 – Trident Redundant Processor Module, Advanced Control Solutions for Industrial Automation
Checking System Power Sources Typical installations use redundant power supplies to power the controller and the field circuitry. Under normal operating conditions, the required power is shared between the two power sources. Typically, the sharing is approximately equal with each power supply providing 50 percent of the system power. Under abnormal conditions, one of the power sources may be required to provide 100 percent of the system power. To verify the integrity of the system power supply, you should periodically test each power source for its ability to provide power for the entire system when the redundant source is disabled. To verify the stability of the remaining power source under full load, every three to six months, turn off one of the power sources and leave it off for several minutes. After restoring power, repeat the test for the other power supply. Ideally, this type of testing is performed with the controlled process offline; for example, during a normally scheduled plant maintenance period. Remember to turn on both power sources prior to restarting the controlled process.
Triconex MP3101 pdf
Triconex MP3101 – Trident Redundant Processor Module, Advanced Control Solutions for Industrial Automation
Verifying Spare Modules The controller automatically tests all modules installed in the system. The only action needed to guarantee the integrity of a spare module is to periodically install it in an online system. Spare I⁄O modules should be installed as hot spares. The controller automatically tests these modules by shifting control between the active and hot-spare modules as follows: • Periodically, approximately once an hour • After a power failure • After an MP re-education Spare MPs and I⁄O modules that cannot be used as hot spares should be periodically rotated into an online system to ensure the integrity of spare inventory. A rotation schedule should be established so that a spare is not allowed to sit on the shelf more that six months.
Triconex MP3101 – Trident Redundant Processor Module, Advanced Control Solutions for Industrial Automation
Triconex MP3101
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