基本細節(jié):CE4005S2B1 控制器 短路線圈診斷EPROM 校驗和診斷

CE4005S2B1 控制器性能特點電氣特性:邏輯“1”以兩線間的電壓差為+(2-6)V表示;邏輯”0”以兩線間的電壓差為-(2-6)V表示。接口信號電平比RS-232C降低了，就不易損壞接口電路的芯片，且該電平與TTL電平兼容，可方便與TTL電路連接。數(shù)據(jù)傳輸速率為10Mbps。RS-485接口是采用平衡驅(qū)動器和差分接收器的組合，抗共模干擾能力增強，即抗干擾性好。
CE4005S2B1艾默生EMERSON控制器 技術(shù)參數(shù)
接口的傳輸距離標(biāo)準值為4000英尺，實際上可達3000米。RS-485接口在總線上是允許連接多達128個收發(fā)器，具有多站能力，用戶可以利用它建立起設(shè)備網(wǎng)絡(luò)。RS-485接口由于具有良好的抗干擾性、傳輸距離長和多站能力等優(yōu)點使其成為 的串行接口。
在本地手動模式下，CE4005S2B1執(zhí)行以下功能:
PI位置控制回路
將當(dāng)前閥門位置寫入 0vation 存儲器
將線圈電壓寫入 0vation 存儲器
開路線圈診斷。短路線圈診斷EPROM 校驗和診斷
RAM診斷
看門狗時機
SLIM 接口(升高、降低和更新 SLIM 值
瓣膜應(yīng)急診斷

CE4005S2B1

CE4005S2B1 Controller Performance Characteristics Electrical characteristics: Logic “1” is represented by the voltage difference between the two lines as +(2-6)V; Logic “0 “is represented by the voltage difference between the two lines as -(2-6)V. The interface signal level is lower than RS-232C, it is not easy to damage the chip of the interface circuit, and the level is compatible with the TTL level, which can be easily connected with the TTL circuit. The data transfer rate is 10Mbps. RS-485 interface is a combination of balanced driver and differential receiver, anti-common-mode interference ability is enhanced, that is, anti-interference is good.
CE4005S2B1 EMERSON Technical specifications of the Emerson controller
The standard transmission distance of the interface is 4000 feet, but in practice it can reach 3000 meters. RS-485 interface on the bus is allowed to connect up to 128 transceivers, with multi-station capability, users can use it to establish a network of devices. RS-485 interface is a serial interface because of its good anti-interference, long transmission distance and multi-station ability.
In local manual mode, CE4005S2B1 performs the following functions:
PI position control loop
Write the current valve position to the 0vation memory
Write the coil voltage to the 0vation memory
Open coil diagnosis. Short-circuit coil diagnosis EPROM verification and diagnosis
RAM diagnosis
Watchdog timing
SLIM interface (raises, lowers, and updates SLIM values
Valve emergency diagnosis

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