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A -B 80190-600-01-R光学接口板
系统配置基本配置FA-M3 Value版本（F3SC21-1N）包括以下组件F3BU04-0N基本模块-带有电源和内存的F3SP05-0P序列CPU模块-F3WD64-3N I/O模块如果FA-M3 Value版本出现故障，只能通过更换故障模块来修复。将F3SP05-0P序列CPU模块安装在F3BU04-0N基本模块的最左侧插槽中，并将F3WD64-3N I/O模块安装在插槽2中。其余插槽3和4为FA-M3系列可用的各种I/O模块保留。插槽编号由三位数字组成，其中第三位数字是单元编号。单元编号0分配给主单元。001 002 003 004主机（F3SC21-1N）FB010101.VSD I/O模块I/O模块插槽编号p F3SP05 F3WD64图B1.1单元主机的插槽编号概念安装了F3SP05-0P序列CPU模块的单元称为主机。因此，F3SC21-1N本身就是主单元。子单元子单元用于增加I/O端口的数量。FA-M3系统的Value版本最多可以添加七个子单元，以处理最多2048个I/O点。使用光纤FA总线模块增加I/O点的数量您可以在主单元和子单元中安装光纤FA母线或FA总线类型2模块，并用光缆连接它们。这使得远程I/O点的分布式布置、I/O点数量的增加以及通过高速、抗噪声通信控制I/O模块成为可能。光纤FA总线或FA总线类型2模块可以安装在插槽3或插槽4中
模块位置限制
如果是F3SC21-1N，则将F3SP05-0P安装在插槽1中，将F3WD64-3N安装在插槽2中。其余插槽3和4保留用于FA-M3系列的各种I/O模块。插槽3和4中不能安装CPU模块。有关I/O模块（包括子单元）安装的限制，请参阅第A1.2节“模块安装限制”，因为它们等同于该节中讨论的F3SP21-0N模块的限制。B1.2.2电流消耗的限制在设计系统时，确保安装在插槽3和4中的模块消耗的总电流不超过以下计算值。见第A2.9节，“模块电流消耗表”。F3SP05-0P模块的电流供应能力=2000 mA F3SP005-0P模块CPU的电流消耗=350 mA F3BU04-0N模块的电流消耗=50 mA F3WD64-3N模块的当前消耗=200 mA因此，插槽3和4的可用电流总量为2000–350–50–200=1400 mA■ 使用FA总线类型2模块增加I/O点数的示例与光纤FA总线型号2模块一样，可以使用FA母线类型2模块来增加I/O点数。FA总线类型2模块使用屏蔽双绞线连接子单元
System Configuration
Basic Configuration The FA-M3 Value version (F3SC21-1N) consists of the following components. - F3BU04-0N base module - F3SP05-0P sequence CPU module with a power supply and memory - F3WD64-3N I/O module Should the FA-M3 Value version fail, it can be fixed by replacing the failed module only. Install the F3SP05-0P sequence CPU module in the leftmost slot of the F3BU04-0N base module and the F3WD64-3N I/O module in slot 2. The remaining slots 3 and 4 are reserved for a variety of I/O modules available for use with the FA-M3 series. A slot number consists of three digits of which the third digit is the unit number. The unit number 0 is allocated to the main unit. 001 002 003 004 Main unit (F3SC21-1N) FB010101.VSD I/O module I/O module Slot number p F3SP05 F3WD64 Figure B1.1 Slot Numbering Concept of Unit Main Unit A unit in which the F3SP05-0P sequence CPU module is installed is referred to as a main unit. Consequently, the F3SC21-1N itself serves as the main unit. Subunit Subunits are used to increase the number of I/O ports. A maximum of seven subunits can be added to the Value version of the FA-M3 system to deal with up to 2048 I/O points. Increasing the Number of I/O Points Using Fiber-optic FA-bus Modules You can install fiber-optic FA-bus or FA-bus type 2 modules in both main and subunits and connect them with fiber-optic cables. This enables the distributed arrangement of remote I/O points, increase in the number of I/O points, and control of I/O modules via high-speed, noise-immune communication. The fiber-optic FA-bus or FA-bus type 2 module may be installed in either slot 3 or slot 4
Restrictions on Module Location
In the case of the F3SC21-1N, install the F3SP05-0P in slot 1 and the F3WD64-3N in slot 2. The remaining slots 3 and 4 are reserved for a variety of I/O modules available for use with the FA-M3 series. No CPU module can be installed in slots 3 and 4. For restrictions on the installation of I/O modules, including subunits, refer to Section A1.2, “Restrictions on Module Installation,” as they are equivalent to the restrictions specified for the F3SP21-0N module discussed in that section. B1.2.2 Restrictions due to Current Consumption Make sure when designing your system that the total sum of current consumed by modules installed in slots 3 and 4 does not exceed the following calculated value. See section A2.9, "Module Current Consumption Tables". Current-supply capacity of the F3SP05-0P module = 2000 mA Current consumption by the CPU of the F3SP05-0P module = 350 mA Current consumption of the F3BU04-0N module = 50 mA Current consumption of the F3WD64-3N module = 200 mA Consequently, the total amount of current available from slots 3 and 4 is 2000 – 350 – 50 – 200 = 1400 mA■ Example of increasing the number of I/O points using FA-bus type 2 modules As with fiber-optic FA-bus type 2 modules, the number of I/O points can be increased using FA-bus type 2 modules. FA-bus type 2 modules use shielded twisted-pair cables for the connection between subunits.
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