1、测试一(基础篇)1、S7-200 CPU 基本参数型号 DI DO扩展能力 程序容量 HSC 通道数 输出传感器电源大小 实时时钟CPU221 6 4 无 4 4 24VDC 无CPU222 8 6最大 2模块 4 4 24VDC无需要外插“时钟/电池卡”CPU22414 10最大 7模块 8 6 24VDC 内置CPU22624 16最大 7模块 8 6 24VDC 内置2、列举你所知道的支持 S7-200 编程的通信部件？RS-232 RS-485 以太网 模拟音频电话 AS-Interface：3、列举你所知道的 S7-200 支持的通信协议？PPI 协议 MPI 协议 自由口通讯 Pr
2、ofibus DP 协议AS-I 接口协议 Ethernet (Available Dec,01)4、CPU226 集成的电位器对应的系统标志位是哪个，对应的范围是多少？SMB28 29 0-2555、从 Microwin 编辑软件下载到 CPU 内的程序包含拿几个部分？程序块、数据块6、 CPU 内数据丢失是具体丢失那些数据，如何保持，能最长保持时间多久？RAM 中的程序和数据 在 CPU 内部靠一个超级电容，在掉电后为 RAM 存储器提供电源缓冲，保存时间可达几天之久S7-200 还可选用外插电池卡（需单独定货），在超级电容耗尽后为 RAM 数据区提供电源缓冲。在连续无供电时，它可使用 2
3、00 天（即保持数据达 200 天）。CPU 在不断电的情况下专用电池卡能够使用 10 年。7、CPU 内部的存储器类型有哪几种？RAM EEPROM 8、列举 1ms 和 10ms 的定时器？T32 96 t1-t4 t65-t689、列举 EM231 和 EM235 选择输入 4-20mA 时的跳线？ON ON OFF ON OFF OFF OFF OFF ONON OFF ON 0 - 10VOFF ON OFF OFF OFF ON 0 - 10 V10、画出 EM235 测量 4 个 PT100 的接线图？11、画出 EM231 接 2 线制 4-20mA 传感器信号的接线图？12、
4、分别写出下列系统标志位：常通： sm0.0 自由口通信接收字符：SMB2首次扫描接通： sm0.1 自由空参数定义：周期为 1 分钟的时间脉冲 SM0.4： HSC0 的控制字节：周期为 1 秒钟的时间脉冲： SM0.5 PTO0 的控制字节：自由通信空闲：SMB4测试二(配置篇)1、 请按以下要求配置并写出 I/O 地址：a、 DI 24V DC 输入 15 点 AC 输入 5 点b、 DO 10 点 c、 AI 0-10V 3 路 4-20mA 5 路8 入；8 出 4 入/4 出；8 入 8 出；16 入/16 出 4 入；2 出； 4 入/1 出4 输入热电偶;2 输入热电阻2、 请按
5、以下要求配置并写出 I/O 地址：a、 系统上 PROFIBUS-DP 总线b、 4 路热电偶c、 48 路 DId、 54 路 DO 晶体管3、 请按以下要求配置并写出 I/O 地址：a、 15 路 PT100 热电阻b、 2 路 步进电机 c、 2 路 调节阀测试二(翻译篇)1、 翻译如下内容：QUESTION:How long does the battery module of the S7-200 CPUs last? ANSWER:The optional battery module of the S7-200 is not used before the high perfor
6、mance capacitor of the CPU is discharged. The battery module is not used for short-term power failures that can be covered by the time for saving data provided by the high performance capacitor. The usually expected utilization duration is 200 days after the high performance capacitor has been disch
7、arged.The maximum life cycle for a battery module is 10 years without utilization.The data buffering time of the high performance capacitor depends on the CPU. Further information on the CPU-determined buffering times can be found under Entry-ID 431638.To achieve the full capacity of the high perfor
8、mance capacitor, the CPU must be supplied continously with tension during 24 hours. 2、 翻译如下内容QUESTION:Are there are limitations in terms of how you can expand the S7-22x CPU with expansion modules? ANSWER:Expansion modules can be added to S7-22x CPUs except for the CPU S7-221. If more onboard I/O si
9、gnals are required in the system, the CPUs onboard I/Os can be expanded by means of additional digital and analog inputs and outputs. There are also various function modules available for the expansion.The S7-222 CPU can support up to two expansion modules. This is restricted by resources within the
10、 CPU. Up to 7 expansion modules can be added to 224 / 226 and 226 XM-type CPUs, regardless of the type of expansion module. Important:Only one connecting cable may be used for expansion modules (6ES7 290-6AA20-0XA0) in order to create a multi-line setup.If you are using a CP 243-2 PLC-interface modu
11、le, bear in mind that this module occupies two slots.The maximum number of expansion modules that can be extended depends on the CPUs power balance. Each S7-200 CPU supplies a DC voltage of 5V and 24V DC. The CPU has a 24V DC encoder power supply that delivers a 24V DC to the integrated inputs and t
12、o the relay inputs on the expansion modules. If the power requirements for the CPU exceed the internal voltage supply capacity, you can also connect an external 24V DC supply to the inputs and the relay inputs on the expansion modules.The CPU also has a 5V DC voltage source for the connected expansion modules. If the power requirements of the expansion modules exceed the voltage supply capacity, some of the expansion modules will have to be dispensed with to enable the CPUs energy balance to be complied with.
