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產(chǎn)品介紹詳情：8237-1604 ProTechTPS是一種集成超速保護(hù)的安全PLC
編程；編排
- ProTechTPS的功能相當(dāng)于一個(gè)安全PLC，因?yàn)樗總€(gè)模塊接受10個(gè)離散或模擬輸入(總共30個(gè))，并允許用戶創(chuàng)建自定義安全/保護(hù)程序，以安全地保護(hù)現(xiàn)場人員和設(shè)備。程序員能夠利用典型的邏輯和測(cè)試序列例程來創(chuàng)建他們的應(yīng)用特定的安全邏輯和測(cè)試。
在線測(cè)試
- 每個(gè)ProTechTPS模塊可通過模塊的前面板、Modbus通信端口手動(dòng)測(cè)試，或通過其自動(dòng)測(cè)試程序功能自動(dòng)測(cè)試。ProTechTPS允許用戶定期手動(dòng)或自動(dòng)配置超速或自定義程序測(cè)試。使用這些測(cè)試程序，每次測(cè)試一個(gè)模塊(A、B、C ),記錄成功的測(cè)試結(jié)果，或者在檢測(cè)到故障時(shí)，程序停止，檢測(cè)到的故障被指示/報(bào)警。
在線維修
- ProTechTPS的三重模塊化設(shè)計(jì)允許用戶在受監(jiān)控設(shè)備/渦輪機(jī)在線且正常運(yùn)行時(shí)，輕松更換其中一個(gè)模塊(A、B、C)。該單元的背板即插即用結(jié)構(gòu)及其模塊間學(xué)習(xí)功能增強(qiáng)了更換的便利性。
跳閘、報(bào)警和超速日志
- ProTechTPS日志功能記錄(保存到內(nèi)存中)所有跳閘、報(bào)警、跳閘閥響應(yīng)時(shí)間和超速事件。行程記錄功能使用滾動(dòng)緩沖器，將最近50次感應(yīng)到的行程或報(bào)警事件和最近20次超速事件記錄到存儲(chǔ)器中，并注明相關(guān)時(shí)間。每個(gè)日志文件可以從裝置的前面板查看，或通過ProTechTPS服務(wù)工具程序下載到計(jì)算機(jī)。每個(gè)模塊都利用非易失性存儲(chǔ)器來確保保存所有記錄的事件，即使在斷電時(shí)也是如此。
實(shí)時(shí)時(shí)鐘
- 每個(gè)ProTechTPS模塊都利用實(shí)時(shí)時(shí)鐘來確保準(zhǔn)確的時(shí)間記錄。模塊之間利用特殊的時(shí)間平均功能來確保模塊間時(shí)鐘同步?；蛘?，ProTechTPS的一個(gè)輸入可以配置為接受來自工廠DCS或其他時(shí)間同步設(shè)備的離散時(shí)鐘同步輸入信號(hào)。
高分辨率顯示器
- 每個(gè)模塊都包括一個(gè)高分辨率4.2英寸(107毫米)彩色顯示器和鍵盤，允許用戶本地監(jiān)控配置設(shè)置、狀態(tài)、系統(tǒng)輸入和輸出，以及報(bào)警、跳閘和超速日志。
自動(dòng)超速測(cè)試程序
- 可選地，ProTechTPS可以配置為定期執(zhí)行和超速測(cè)試每個(gè)模塊/跳閘電磁閥，然后記錄和報(bào)告測(cè)試結(jié)果。在該測(cè)試程序中，每個(gè)模塊通過使用內(nèi)部頻率發(fā)生器模擬超速條件的測(cè)試序列進(jìn)行排序。
自動(dòng)測(cè)試程序
- 可選地，ProTechTPS可以配置為對(duì)每個(gè)模塊/跳閘電磁閥進(jìn)行常規(guī)測(cè)試，然后記錄和報(bào)告測(cè)試結(jié)果。使用該測(cè)試程序，每個(gè)模塊通過一個(gè)編程的測(cè)試序列排序，以模擬、測(cè)試和記錄每個(gè)安全事件條件的結(jié)果。
加速/減速檢測(cè)
- 可選地，ProTechTPS可以被配置為保護(hù)渦輪機(jī)免受高加速/減速事件的影響。速度信號(hào)的導(dǎo)數(shù)用于檢測(cè)渦輪機(jī)加速/減速并發(fā)出相關(guān)的跳閘命令。
微處理器檢測(cè)
- 每個(gè)模塊的速度傳感器輸入使用特殊的MPU明線檢測(cè)電路，以在渦輪機(jī)運(yùn)行前驗(yàn)證MPU是否正確連接，以及特殊的速度損失檢測(cè)邏輯，以在渦輪機(jī)運(yùn)行期間驗(yàn)證MPU功能。
抗硫污染
- 采用特殊的保形涂層材料，在國際標(biāo)準(zhǔn)IEC 721-3-3 1994 -環(huán)境等級(jí)3C2中對(duì)H2S和二氧化硫氣體具有優(yōu)異的長期防護(hù)性能。
8237-1369
Programming
- The ProTechTPS functions as a safety PLC, as it accepts 10 discrete or analog inputs per module (30 total), and allows users to create custom safety/protection programs to safely protect site personnel and equipment. Programmers are able to utilize typical logic and testing sequence routines to create their application-specific safety logic and tests.
On-Line Testing
- Each ProTechTPS module can be tested manually from the module’s front panel, Modbus communications port, or automatically via its auto-test routine function. The ProTechTPS allows users to configure overspeed or custom-programmed tests to be performed manually or automatically on a periodic basis. With these test routines, each module (A, B, C) is tested one at a time, and either a successful test result is logged or, upon sensing a fault, the routine is halted and the sensed fault indicated/alarmed.
On-Line Repair
- The ProTechTPS’s triple modular design allows users to easily replace one of its modules (A, B, C) while the monitored equipment/turbine is on-line and operating normally. Ease of replacement is enhanced by the unit’s backplane plug-and-operate structure, and its module-to-module learning function.
Trip, Alarm, & Overspeed Logs
- The ProTechTPS log function logs (saves to memory) all trips, alarms, trip valve response times, and overspeed events. The trip log function uses a scrolling buffer and records the last 50 sensed trip or alarm events and the last 20 overspeed events to memory, with associated times. Each log file can be viewed from the unit’s front panel, or downloaded to a computer via the ProTechTPS service tool program. Each module utilizes nonvolatile memory to ensure that all logged events are saved, even on loss of power.
Real Time Clock
- Each ProTechTPS module utilizes a real-time-clock to ensure accurate time logging. A special time averaging function is utilized between modules to ensure module-to-module clock synchronization. Alternatively one of the ProTechTPS’s inputs can be configured to accept a discrete clock synchronization input signal from a plant DCS or other time synch device.
High Resolution Displays
- Each module includes a high resolution 4.2" (107 mm) color display and keypad to allow users to locally monitor configuration settings, statuses, system inputs and outputs, and alarm, trip, and overspeed logs.
Automatic Overspeed Test Routine
- Optionally, the ProTechTPS can be configured to routinely perform and overspeed test each module/trip solenoid, then log and report the test results. With this test routine, each module is sequenced through its test sequence using an internal frequency generator to emulate an overspeed condition.
Automatic Test Routines
- Optionally, the ProTechTPS can be configured to routinely perform custom tests of each module/trip solenoid, then log and report the test results. With this test routine, each module is sequenced through a programmed test sequence to simulate, test, and log the results of each safety even condition.
Acceleration/Deceleration Detection
- Optionally, the ProTechTPS can be configured to protect a turbine from high acceleration/decelertaion events. The derivative of the speed signal is used to detect turbine acceleration/deceleration and issue an associated trip command.
MPU Detection
- Each module’s speed sensor input uses special MPU open-wire detection circuitry to validate that the MPU is properly connected before turbine operation, and special loss-of-speed detection logic to validate MPU functionality during turbine operation.
Sulfur Contamination Resistant
- Utilizes special conformal coating material that has demonstrated excellent long-term protection against H2S and SO2 gases at levels classified in international standard IEC 721-3-3 1994 – environment Class 3C2.
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