CE4005S2B1 控制器 短路线圈诊断EPROM 校验和诊断

基本细节:CE4005S2B1 控制器 短路线圈诊断EPROM 校验和诊断

CE4005S2B1 控制器性能特点电气特性:逻辑“1”以两线间的电压差为+(2-6)V表示;逻辑”0”以两线间的电压差为-(2-6)V表示。接口信号电平比RS-232C降低了，就不易损坏接口电路的芯片，且该电平与TTL电平兼容，可方便与TTL电路连接。数据传输速率为10Mbps。RS-485接口是采用平衡驱动器和差分接收器的组合，抗共模干扰能力增强，即抗干扰性好。
CE4005S2B1艾默生EMERSON控制器 技术参数
接口的传输距离标准值为4000英尺，实际上可达3000米。RS-485接口在总线上是允许连接多达128个收发器，具有多站能力，用户可以利用它建立起设备网络。RS-485接口由于具有良好的抗干扰性、传输距离长和多站能力等优点使其成为 的串行接口。
在本地手动模式下，CE4005S2B1执行以下功能:
PI位置控制回路
将当前阀门位置写入 0vation 存储器
将线圈电压写入 0vation 存储器
开路线圈诊断。短路线圈诊断EPROM 校验和诊断
RAM诊断
看门狗时机
SLIM 接口(升高、降低和更新 SLIM 值
瓣膜应急诊断

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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