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YORK （约克）

YORK 031-02430-000/001

Brand: YORK

Model: 031-02430-000

Part No: 031-02430-000/031-02430-001

Describe: Main board circuit board

Status: New/Used

The York 031-02430-001 motherboard circuit board is produced in the United States. Both circuit board accessories are installed in the York control cabinet and are the main components of the York control cabinet. These accessories are not consumables and are usually purchased by users due to malfunctions or equipment installation upgrades.

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YORK 031-02430-000/001

YORK 031-02430-000 /031-02430-001 Main board circuit board

Description:

Beginning January 2008, new YD chillers and replacement parts kit 331-02430-606 will be supplied with Microboard part number 031-02430-001. This Microboard is an upgraded version of the present production 031- 02430-000 microboard. The upgrade includes a larger BRAM (U38) and an additional RS-485 port on COM2 for Modbus serial communications protocol.

These upgrades are necessary for future applications.

This upgraded board is backward compatible with existing YD chillers using the 031-02430-000 or 031-01730- 000 microboard. With the exception of the changes below, this new board operates the same as the previous boards.

The part number of the BRAM in microboard 031-02430-001 is 031-02565-000 and its size is 128KB. It is installed in a 32-pin socket. Program Jumper JP14 is a removable 2-pin shunt type jumper. The 128KB BRAM requires the shunt be NOT INSTALLED and the board is supplied in this configuration. If the shunt is installed on JP14, it would apply DC power to an incorrect pin on the 128KB BRAM and the board would not function. The 128KB BRAM requires software that has “BRAM size detect” capability. If it does not have this capability, the board will not function. YD chiller software version C.OPT.11.03.01.004 (and later) has this capability and is required.

The part number of the BRAM in microboard 031-02430-000 is 031-02431-000 and its size is 32KB. It is installed in a 28-pin socket. Program Jumper JP14 is a non-removable (soldered) wire jumper that connects DC power to the appropriate pin on the BRAM for 32KB operation.

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约克031-02430-000/031-02430-001 主板电路板
说明：

从2008年1月开始，新的YD冷水机组和替换零件套件331-02430-606将提供Microboard零件号031-02430-001。这款微板是目前生产的031-02430-000微板的升级版。升级包括一个更大的BRAM（U38）和COM2上用于Modbus串行通信协议的额外RS-485端口。
这些升级对于未来的应用是必要的。
此升级板与使用031-02430-000或031-01730-000微型板的现有YD冷水机向后兼容。除了以下变化外，这个新董事会的运作方式与以前的董事会相同。

微板031-02430-001中的BRAM的零件号为031-02565-000，大小为128KB。它安装在32针插座中。程序跳线JP14是一种可拆卸的2针分流型跳线。128KB BRAM要求不安装分流器，电路板以这种配置提供。如果分流器安装在JP14上，它将向128KB BRAM上的错误引脚施加直流电源，电路板将无法工作。128KB BRAM需要具有“BRAM大小检测”功能的软件。如果它没有这种能力，电路板将无法工作。YD冷水机软件版本C.OPT.11.03.01.004（及更高版本）具有此功能，是必需的。
微板031-02430-000中的BRAM的零件号为031-02431-000，其大小为32KB。它安装在28针插座中。程序跳线JP14是一种不可拆卸（焊接）的跳线，用于将直流电源连接到BRAM上的相应引脚，以实现32KB的操作。

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