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S7-EM239專為S7-200PLC配套設(shè)計，通過RS485接口連接S7-200系列任何型號的CPU，實現(xiàn)多通道模擬量采集，補充S7-200模擬量通道少、價格高的不足。R88M-H30030 AC300W每個CPU最多可以連接32個S7-239模塊，模擬數(shù)量最多為512點。
S7-239模塊為16路模擬量采集一線通模塊，可采集電壓、電流、毫伏、各種類型熱電阻溫度、各種類型熱電偶溫度，通道類型隨意組合。采用RS485通訊接口和MODBUS-RTU，直接連接S7-200系列的CPU，外形尺寸和顏色與SIEMENS S7-200相同。
R88M-H30030 AC300W輸入通道采用雙端差動輸入。輸入、電源、網(wǎng)絡(luò)及通道之間電氣隔離，有效抑制各類共模干擾，消除通道間的相互影響。每個通道的信號類型可以任意設(shè)置。
熱電阻、熱電偶輸入有斷路檢測功能，采集結(jié)果為溫度值，熱電偶輸入自動進行冷端溫度補償。
一線通模塊具有一階數(shù)字濾波、50Hz工頻抑制功能，對抑制工業(yè)現(xiàn)場的工頻干擾十分有效，保證微弱信號的采集精度，同時，R88M-H30030 AC300W一線通模塊具有自動校準(zhǔn)、系統(tǒng)校準(zhǔn)功能，隨時修正由于環(huán)境溫度變化引起的測量誤差，保證一線通模塊在整個工作溫度范圍內(nèi)的采集精度。
S7-EM239主要用于溫度采集以及多種輸入信號類型并存的應(yīng)用場合。
網(wǎng)絡(luò)連接
S7-EM239模塊通過RS485接口與S7-200CPU連接，每個CPU可以連接32個S7-EM239模塊，網(wǎng)絡(luò)連接如圖1所示。
所有S7-EM239模塊為從機設(shè)備。

----商務(wù)熱線---廈門興銳達(dá)自動化設(shè)備有限公司
聯(lián)系人：王文光
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 R88M-H30030 AC300W
R88M-H30030-B AC300W
R88M-H50030-B AC500W
R88M-H75030 AC750W
R88M-H75030-B AC750W
R88M-U03030HA
R88M-U03030HA-B
R88M-U03030HA-BS1
R88M-U03030HA-S1
R88M-U03030LA
R88M-U05030HA
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R88M-U10030HA
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R88M-U10030HA-S1
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R88M-U10030LA-G11BJ
R88M-U10030TA-BG05B
R88M-U10030VA-S1
R88M-U1K030H
R88M-U1K030H-B
R88M-U1K030H-BS1
R88M-U1K030H-S1
R88M-U1K530H
R88M-U1K530H-B
R88M-U20030HA
R88M-U20030HA-B
R88M-U20030HA-BS1
R88M-U20030HA-G33BJ
R88M-U20030HA-S1
R88M-U20030LA-BS1
R88M-U20030VA-S1
R88M-U2K030H-S1
R88M-U2K030T-BS1
R88M-U2K030T-S1
R88M-U2K030V-S1
R88M-U30030LA
R88M-U3K030H
R88M-U3K030T-S1
R88M-U3K030V-S1
R88M-U40030HA
R88M-U40030HA-B
R88M-U40030HA-BS1
R88M-U40030HA-G21BJ
R88M-U40030HA-G25CJ
R88M-U40030HA-S1
R88M-U40030VA-BS1
R88M-U40030VA-S1
R88M-U5K030H
R88M-U75030HA
R88M-U75030HA-B
R88M-U75030HA-BS1
R88M-U75030HA-G15CJ
R88M-U75030HA-G21B

 

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