華遠(yuǎn)自動(dòng)化系統(tǒng)有限公司 1
目 錄
HY—6210多功能定時(shí)/計(jì)數(shù)器板···············································································································································3
一 概述··········································································································································································3
二 性能及技術(shù)指標(biāo)·······················································································································································3
2.1 性能·········································································································································································3
2.2 應(yīng)用·········································································································································································3
2.3 技術(shù)指標(biāo)·································································································································································3
2.4 物理尺寸及環(huán)境要求·············································································································································4
三 工作原理···································································································································································5
3.1 原理框圖·································································································································································5
3.2 原理概述·································································································································································5
四 主要元件位置圖 信號(hào)輸入/輸出插座及選擇開(kāi)關(guān) 跳線定義··············································································6
4.1 主要元件位置圖·····················································································································································6
4.2 信號(hào)輸入/輸出插座················································································································································6
4.3 開(kāi)關(guān)及跳線選擇·····················································································································································7
4.3.1 HY—6210板基地址選擇······································································································································7
4.3.2 定時(shí)/計(jì)數(shù)器的門(mén)控選擇·····································································································································8
4.3.3 定時(shí)/計(jì)數(shù)器1 2的時(shí)鐘選擇·····························································································································8
4.3.4 定時(shí)/計(jì)數(shù)器0的時(shí)鐘選擇···································································································································8
4.3.5 中斷請(qǐng)求信號(hào)電平選擇······································································································································9
4.3.6 中斷請(qǐng)求信號(hào)源選擇··········································································································································9
4.3.7 中斷請(qǐng)求允許信號(hào)選擇······································································································································9
4.3.8 中斷請(qǐng)求級(jí)別選擇··············································································································································9
五 寄存器描述及板內(nèi)地址分配··································································································································11
5.1 可編程定時(shí)/計(jì)數(shù)器的操作方式··························································································································11
5.2 數(shù)字量輸出寄存器···············································································································································11
5.3 數(shù)字量輸入緩沖器···············································································································································11
5.4 定時(shí)/計(jì)數(shù)器內(nèi)部門(mén)控寄存器······························································································································11
5.5 板內(nèi)地址分配·······················································································································································11
六 安裝 拆除步驟·····················································································································································12
6.1 安裝步驟·······························································································································································12
6.2 拆除步驟·······························································································································································12
七 軟件編程·································································································································································13
7.1 可編程定時(shí)/計(jì)數(shù)器8253······································································································································13
7.2 8253在HY—6210中的應(yīng)用·····································································································································3
7.3 可編程I/O接口8255················································································································································4
7.3.1 8255的編程選擇控制字······································································································································4
7.3.2 8255的工作方式說(shuō)明··········································································································································6
7.4 8255在HY—6210中的應(yīng)用·····································································································································7
7.5 編程舉例·································································································································································7
八 應(yīng)用注意事項(xiàng) ·····················································································································································12
8.1 注意事項(xiàng)·······························································································································································122 HY 6210多功能定時(shí)/計(jì)數(shù)板
8.2 HY—6210可連接的端子板···································································································································13
九 I/O地址分配····························································································································································13
附錄1 HY—6210測(cè)試軟件使用說(shuō)明···························································································································13
附錄2 HY—6210驅(qū)動(dòng)函數(shù)使用說(shuō)明···························································································································18華遠(yuǎn)自動(dòng)化系統(tǒng)有限公司 3
HY 6210多功能定時(shí)/計(jì)數(shù)器板
一 概述
HY 6210板是IBM PC XT/AT總線兼容的可編程定時(shí)/計(jì)數(shù)和數(shù)字量輸入/輸出板 該板可直接插入IBM
PC XT/AT總線兼容計(jì)算機(jī)的任一擴(kuò)展槽中使用 實(shí)現(xiàn)脈沖量計(jì)數(shù) 定時(shí)控制或現(xiàn)場(chǎng)開(kāi)關(guān)量狀態(tài)監(jiān)測(cè)及控制執(zhí)行機(jī)
構(gòu)工作等功能
HY 6210板上采用了一片8253定時(shí)/計(jì)數(shù)器和一片8255可編程數(shù)字量輸入/輸出芯片 為用戶提供了三個(gè)可編
程16位定時(shí)/計(jì)數(shù)器和24路可編程數(shù)字量輸入/輸出
在該板上8253的定時(shí)/計(jì)數(shù)器1和定時(shí)/計(jì)數(shù)器2被連接成同步計(jì)數(shù) 輸入時(shí)鐘可選擇板上時(shí)鐘或外部時(shí)鐘 定時(shí)
/計(jì)數(shù)器0可選擇接板上時(shí)鐘定時(shí)/計(jì)數(shù) 還可以選擇與定時(shí)/計(jì)數(shù)器1級(jí)連使用 三個(gè)定時(shí)/計(jì)數(shù)器均可選擇內(nèi)部門(mén)控
或外部門(mén)控 定時(shí)/計(jì)數(shù)器的內(nèi)部門(mén)控為8255的C口輸出 板上8255的A口和B口均給用戶作為16路數(shù)字量輸入或輸
出 8255的C口作為定時(shí)/計(jì)數(shù)器的內(nèi)部門(mén)控和數(shù)字量輸入/輸出或中斷申請(qǐng)?jiān)试S控制
該板還提供了一路中斷請(qǐng)求申請(qǐng)信號(hào) 可選擇定時(shí)/計(jì)數(shù)器0的輸出或用戶數(shù)字量輸入或8255的C口輸出
HY 6210板的典型應(yīng)用為數(shù)字量輸入/輸出 頻率測(cè)量 馬達(dá)控制信號(hào)發(fā)生器 事件計(jì)數(shù)等
二 性能及技術(shù)指標(biāo)
2.1 性能
3路定時(shí)/計(jì)數(shù)器通道
24路可編程數(shù)字量輸入/輸出通道
1路中斷請(qǐng)求信號(hào)通道
2.2 應(yīng)用
事件及頻率計(jì)數(shù)
周期及脈沖信號(hào)測(cè)量
可編程脈沖信號(hào)發(fā)生器
馬達(dá)控制
頻率發(fā)生器
開(kāi)關(guān)量狀態(tài)監(jiān)測(cè)
2.3 技術(shù)指標(biāo)
定時(shí)器/計(jì)數(shù)器部分
定時(shí)/計(jì)數(shù)器通道 3路
定時(shí)/計(jì)數(shù)器長(zhǎng)度 16位
內(nèi)部時(shí)鐘頻率 2MHz
外部時(shí)鐘輸入頻率 0 ~ 2 MHz
定時(shí)/計(jì)數(shù)器輸出脈沖頻率 0.001Hz ~ 1MHz
占空比 0 ~ 100%
定時(shí)/計(jì)數(shù)器信號(hào)輸入/輸出電平特性
輸入高電平 VIH 2.0V
輸入高電平電流 I IH 20 A
輸入低電平 VIL 0.8V
輸入低電平電流 I IL 20 A4 HY 6210多功能定時(shí)/計(jì)數(shù)板
輸出高電平 VOH 2.4V
輸出高電平電流 IOH 400 A
輸出低電平 VOL 0.4V
輸出低電平電流 IOL 2.0mA
數(shù)字量部分
數(shù)字量輸入/輸出 24路 雙向可編程
數(shù)字量輸入/輸出頻率 0 ~ 1 MHz
中斷請(qǐng)求信號(hào) 1路
中斷請(qǐng)求信號(hào)有效電平 高 低電平可選
中斷級(jí)別 IRQ2 ~ 7可選擇
中斷允許 軟件控制
輸入/輸出信號(hào)及中斷請(qǐng)求信號(hào)電平特性
輸入高電平 VIH 2.0V
輸入高電平電流 I IH 40 A
輸入低電平 VIL 0.8V

您好！HY—6210多功能定時(shí)/計(jì)數(shù)板是一款專(zhuān)門(mén)設(shè)計(jì)用于控制和管理各種定時(shí)或計(jì)數(shù)任務(wù)的電子模塊。它可能具備以下特點(diǎn)： 1. **定時(shí)功能**：用戶可以設(shè)置時(shí)間段，讓設(shè)備在指定時(shí)間后自動(dòng)執(zhí)行特定操作，比如開(kāi)關(guān)電源、啟動(dòng)程序等。 2. **計(jì)數(shù)功能**：它可以累計(jì)計(jì)數(shù)器的增減，適用于需要追蹤循環(huán)次數(shù)或者記錄事件發(fā)生頻率的應(yīng)用場(chǎng)景。 3. **編程接口**：通常配備數(shù)字或模擬輸入/輸出端口，方便與其他電子設(shè)備進(jìn)行連接和數(shù)據(jù)交換。 4. **顯示界面**：可能帶有LCD顯示屏，以便實(shí)時(shí)查看設(shè)定的時(shí)間、計(jì)數(shù)值或工作狀態(tài)。 5. **操作簡(jiǎn)單**：可能配有用戶友好的菜單系統(tǒng)，通過(guò)按鈕或軟件配置來(lái)調(diào)整參數(shù)。 6. **尺寸小巧**：適合集成到各種小型設(shè)備或控制系統(tǒng)中。 為了獲取更詳細(xì)的信息，建議您查閱該產(chǎn)品的具體說(shuō)明書(shū)，其中會(huì)包含詳細(xì)的安裝步驟、使用方法、參數(shù)列表以及任何注意事項(xiàng)。如果在閱讀過(guò)程中遇到任何問(wèn)題，歡迎隨時(shí)向我提問(wèn)，我會(huì)盡力幫助您。