HONEYWELL 900R12R-0101工控控制卡件
1.產(chǎn) 品 介 紹
品牌：HONEYWELL
型號說明：HONEYWELL 900R12R-0101工控控制卡件
優(yōu)勢：供應(yīng)進(jìn)口原裝正品，專業(yè)停產(chǎn)配件。
公司主營特點(diǎn)：主營產(chǎn)品各種模塊/卡件，控制器，觸摸屏，伺服驅(qū)動器。
2.產(chǎn) 品 詳 情 資 料：
HONEYWELL 900R12R-0101環(huán)形指示器。調(diào)制解調(diào)器到終端的輸出；表示存在來電。當(dāng)RI激活時(shí)，終端通過攜帶DTR true使調(diào)制解調(diào)器應(yīng)答電話。23未使用。24 TxC傳輸時(shí)鐘（DTE）。從終端輸入調(diào)制解調(diào)器；與引腳15上的TxC功能相同。25 BSY忙。從終端輸入調(diào)制解調(diào)器；施加到該引腳的正EIA信號導(dǎo)致調(diào)制解調(diào)器摘機(jī)并使相關(guān)的電話占線Notes 1。高EIA-232-D信號電平為+3至+15伏。低電平為–3至–15伏。并聯(lián)連接單元可能會產(chǎn)生超出范圍的電壓，HONEYWELL 900R12R-0101并且與規(guī)范相反。2.EIA-232-D接口用于將終端連接到調(diào)制解調(diào)器。當(dāng)計(jì)算機(jī)在沒有調(diào)制解調(diào)器的情況下連接時(shí)，一臺計(jì)算機(jī)必須配置為調(diào)制解調(diào)器，另一臺計(jì)算機(jī)配置為終端。接口特性EIA-232-D接口標(biāo)準(zhǔn)規(guī)定了使用不平衡線路的DTE和DCE設(shè)備之間串行二進(jìn)制數(shù)據(jù)交換的所有參數(shù)。表A-2和A-3列出了適用于HONEYWELL 900R12R-0101的EIA-232-D發(fā)射機(jī)和接收機(jī)參數(shù)。HONEYWELL 900R12R-0101
Ring Indicator. Output from modem to terminal; indicates that an incoming call is present. The terminal causes the modem to answer the phone by carrying DTR true while RI is active. 23 Not used. 24 TxC Transmit Clock (DTE). Input to modem from terminal; HONEYWELL 900R12R-0101same function as TxC on pin 15. 25 BSY Busy. Input to modem from terminal; a positive EIA signal applied to this pin causes the modem to go off-hook and make the associated phone busy Notes 1. A high EIA-232-D signal level is +3 to +15 volts. A low level is –3 to –15 volts. Connecting units in parallel may produce out-of-range voltages and is contrary to specifications. 2. The EIA-232-D interface is intended to connect a terminal to a modem. When computers are connected without modems, one computer must be configured as a modem and the other as a terminal.Interface Characteristics The EIA-232-D interface standard specifies all parameters for serial binary data interchange between DTE and DCE devices using unbalanced lines. EIA-232-D transmitter and receiver parameters applicable to theHONEYWELL 900R12R-0101 are listed in Tables A-2 and A-3.
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