TRICONEX 3504E数字模块
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主要功能•用于与AC 800M通信的CEX总线接口•用于R（un）、F（ault）、通信错误、主（总线主）和双（冗余）的LED指示灯•运行于32 MHz的摩托罗拉MCF5307微控制器•用于代码的2 MB闪存•用于配置和动态数据的8 MB SDRAM，也用作TRICONEX 3504E和AC 800M之间的双端口存储器•CEX总线+24V电源和DC/DC转换器到+5V、+3.3V和+2.5V的电源•用于读取本地I/O块的手持式监视器端口•现场总线端接开关说明TRICONEX 3504E，图78，将TRIO现场总线连接到控制器AC 800M。TRICONEX 3504E和AC 800M之间的连接是通过CEX总线完成的。单个TRICONEX 3504E可以将30个块连接到单个TRIO LAN。AC 800M最多可以有四个单一的TRIO局域网。TRIO的最大I/O为1000个I/O点。在以下条件下，TRICONEX 3504E可用于冗余处理器模块配置：a.如果TRICONEX 3504E与冗余PM866一起使用，则仅应使用TK850 CEX总线延长电缆在PM866模块之间进行互连。不得使用BC810。b.如果TRICONEX 3504E与其他冗余处理器模块（PM861A/PM864A/PM865）一起使用，则BC810或TK850 CEX总线扩展电缆可用于两个处理器模块之间的互连。PM891处理器模块不支持TRICONEX 3504E。
Key Features • CEX-Bus interface for communication to AC 800M • LED indicators for R(un), F(ault), Communication Error, Primary (Bus Master), and Dual (redundancy) • Motorola MCF5307 Microcontroller running at 32 MHz • 2 MByte Flash memory for code • 8 MByte SDRAM for configuration and dynamic data, also used as Dual Port Memory between TRICONEX 3504E and AC 800M • Power supply from the CEX bus +24V supply with DC/DC converters to +5V, +3.3V, and +2.5V • Hand Held Monitor Port used for reading Local I/O Block • Field bus termination switch Description TRICONEX 3504E, Figure 78, connects a TRIO Field Bus to the controller AC 800M. The connection between CTRICONEX 3504Eand AC 800M is done via the CEX-Bus. A single CTRICONEX 3504Ecan connect 30 blocks to a single TRIO LAN. AC 800M can have up to four single TRIO LANs. The maximum I/O with TRIO is 1000 I/O points. The CTRICONEX 3504Ecan be used in a redundant processor module configuration under the following conditions: a. If the CTRICONEX 3504Eis used with redundant PM866, only the TK850 CEX-bus extension cable shall be used for interconnection between the PM866 modules. The BC810 shall not be used. b. If the CTRICONEX 3504Eis used with other redundant processor modules (PM861A/PM864A/PM865), either BC810 or TK850 CEX-bus extension cable can be used for interconnection between the two processor modules. The CTRICONEX 3504Eis not supported with the PM891 processor module.
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