ABB CI858K01 3BSE018135R1
连接到AC 800M的CI858单元的最大数量为两个。
CI858的功能结构包括
•CEX总线接口：
CI858和AC 800M之间的通信通过
CEX总线。CEX总线的工作时钟频率为64 MHz。这个
最大传输数据约为1.25兆字节/秒。
•DDCS接口
–驱动总线
–I/O总线
–PC工具
•来自CEX总线的+24 V电源。
•从+24 V到+5 V、+3.3V和+2.5 V的DC/DC转换。
•摩托罗拉数字信号处理器DSP56303，CPU频率为72 MHz。
•用于CEX总线接口的Xilinx XC2S50 FPGA。上提供94个用户I/O引脚
CI858。
•32 kB引导PROM，AT27LV256，用于引导代码。
•1 MB闪存PROM，Am29DL800B，用于程序代码。
•768 kB SRAM程序和数据存储器。
AC 800M和CI858通过双端口RAM、DPRAM相互通信。
DPRAM具有以下功能：
•双端口存储器，32*16 kB。
•每个方向一次中断。
•八个信号量，简化了共享资源的利用。
•ONCE端口，可用于对模块进行重新编程。
CI858专用I/O通道可用于连接每个单元最多12个I/O。这个
I/O通道能够传输2个数据集对/1毫秒。I/O单元以
环形拓扑。
支持以下I/O单元：
–NAIO-03模拟输入/输出扩展模块-包含2个电流或电压
输入和2个电流输出
–NBIO-21基本输入/输出第二单元-包含3个数字输入，2个模拟输入，2
数字输出和2个模拟输出
–NBIO-31基本输入/输出第三单元-包含4个数字输入和3个数字输出
–NCTI-01起重机传感器接口
–NDIO-02数字I/O扩展模块-包含2个数字输入和2个
继电器输出
–ACS600二极管电源的NDSC-01控制板
–NPCT-01脉冲计数器和定时器单元-包含2个编码器输入，4个
数字输入，4个数字输出
–NTAC-02脉冲编码器接口模块-包含用于
数字脉冲编码器连接
–NWIO-01看门狗输入/输出模块-包含看门狗逻辑
监督软件的运行
The maximum number of CI858 units connected to the AC 800M is two.
The functional structure of the CI858 includes
• CEX bus interface:
Communication between the CI858 and the AC 800M is implemented through
the CEX bus. The CEX bus operates with a clock frequency of 64 MHz. The
maximum transfer data is ~1.25 MBytes/s.
• DDCS interfaces for
– DriveBus
– I/O Bus
– PC Tool
• +24 V power supply from the CEX bus.
• DC/DC conversion from +24 V to +5 V, + 3.3V and +2.5 V.
• Motorola Digital Signal processor DSP56303 with 72 MHz CPU frequency.
• Xilinx XC2S50 FPGA for the CEX bus interface. 94 user I/O pins available on
CI858.
• 32 kB boot PROM, AT27LV256, for boot code.
• 1 MB flash PROM, Am29DL800B, for program code.
• 768 kB SRAM program and data memory.
AC 800M and CI858 communicate with each other via dual-port RAM, DPRAM.
The DPRAM has the following functionalities:
• Dual-port memory, 32 * 16 kB.
• One interrupt in each direction.
• Eight semaphores which simplifies the utilization of shared resources.
• ONCE port which can be used for reprogramming the module.
The CI858 Special I/O channel can be used to connect up to 12 I/O’s per unit. The
I/O channel is able to transfer 2 dataset pairs / 1 ms. The I/O units are connected in a
ring topology.
The following I/O units are supported:
– NAIO-03 Analogue I/O Extension Module - contains 2 current or voltage
inputs and 2 current outputs
– NBIO-21 Basic I/O Unit 2 - contains 3 digital inputs, 2 analogue inputs, 2
digital outputs and 2 analogue outputs
– NBIO-31 Basic I/O Unit 3 - contains 4 digital inputs and 3 digital outputs
– NCTI-01 Crane Transducer Interface
– NDIO-02 Digital I/O Extension Module - contains 2 digital inputs and 2
relay outputs
– NDSC-01 control board of the ACS600 Diode Supply
– NPCT-01 Pulse Counter and Timer Unit - contains 2 encoder inputs, 4
digital inputs, 4 digital outputs
– NTAC-02 Pulse Encoder Interface Module - contains an interface for a
digital pulse encoder connection
– NWIO-01 Watchdog I/O Module - contains watchdog logic for
supervising the operation of the software
