140DDI84100施耐德140離散量DC輸入模塊參數詳細說明
140DDI84100施耐德140離散量DC輸入模塊輸入/輸出參數
140DDI84100施耐德140離散量DC輸入模塊通信接口類型
140DDI84100施耐德140離散量DC輸入模塊工作電壓與電流
施耐德140DDI84100離散量DC輸入模塊技術解析
一、核心參數
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?輸入類型?：32通道直流離散量輸入模塊，支持10-60V DC電壓范圍，兼容干接點/濕接點信號；
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?邏輯模式?：正邏輯輸入（漏型輸入），狀態“1”觸發電壓≥9V DC（有效電流2.5mA）；
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?分組隔離?：32通道分為4組（每組8通道），組間隔離耐壓達700V RMS（持續1分鐘）；
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?響應時間?：狀態切換時間≤4ms（0→1或1→0），適用于高速信號采集場景；
二、技術特性
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?電氣性能?
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?輸入電流范圍?：
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狀態“1”：12V DC時6-30mA，24V DC時2-15mA，48V DC時1-5mA；
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泄漏電流≤1.8mA（低電壓條件下）5；
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?功耗?：靜態功耗1W，動態功耗隨激活通道數增加（公式：1W + 0.62×通電點數）；
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?保護與診斷?
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?過壓保護?：內置電路防止外部電壓異常（如浪涌或反向電壓）；
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?狀態指示?：
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每個通道配備綠色LED顯示輸入狀態，紅色LED指示外部故障（如斷線或超壓）；
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總線通信狀態通過綠色LED實時反饋5；
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?通信接口?
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通過Modicon Quantum背板總線與PLC通信，默認占用1個輸入字地址；
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支持PROFIBUS DP協議，可接入工業自動化網絡實現集中控制；
三、應用場景
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?工業生產線?：適用于機床、包裝機械等設備的傳感器信號采集（如限位開關、光電傳感器）；
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?能源與電力系統?：監控配電柜狀態信號（如斷路器分合閘反饋）；
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?冗余控制架構?：配合冗余電源模塊構建高可靠性輸入系統；
四、安裝與維護要點
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?硬件配置?
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?接線規范?：導線截面積≤1.5mm2，使用M3螺釘固定端子，確保接地可靠；
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?環境適應性?：工作溫度-25°C至+70°C，防護等級IP20（需安裝于控制柜內）；
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?調試與診斷?
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通過Unity Pro軟件配置模塊參數，實時監控輸入狀態及故障信息；
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定期檢查端子緊固性及LED狀態，避免接觸不良導致信號丟失；
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Technical Analysis of Schneider 140DDI84100 Discrete DC Input Module
1、 Core parameters
Input type: 32 channel DC discrete input module, supporting 10-60V DC voltage range, compatible with dry/wet contact signals;
Logic mode: Positive logic input (leakage type input), state "1" triggers voltage ≥ 9V DC (effective current 2.5mA);
Group isolation: 32 channels are divided into 4 groups (8 channels per group), and the inter group isolation withstand voltage reaches 700V RMS (lasting for 1 minute);
Response time: State switching time ≤ 4ms (0 → 1 or 1 → 0), suitable for high-speed signal acquisition scenarios;
2、 Technical characteristics
Electrical performance
Input current range:
Status "1": 6-30mA at 12V DC, 2-15mA at 24V DC, 1-5mA at 48V DC;
Leakage current ≤ 1.8mA (under low voltage conditions) 5;
Power consumption: Static power consumption of 1W, dynamic power consumption increases with the number of activated channels (formula: 1W+0.62 x number of energized points);
Protection and Diagnosis
Overvoltage protection: Built in circuit to prevent abnormal external voltage (such as surge or reverse voltage);
Status indication:
Each channel is equipped with a green LED to display input status, and a red LED to indicate external faults (such as disconnection or overpressure);
Real time feedback of bus communication status through green LED 5;
Communication interface
Communicate with PLC through Modicon Quantum backplane bus, occupying 1 input word address by default;
Supports PROFIBUS DP protocol and can be connected to industrial automation networks for centralized control;
3、 Application scenarios
Industrial production line: suitable for sensor signal acquisition of machine tools, packaging machinery and other equipment (such as limit switches, photoelectric sensors);
Energy and power systems: monitoring the status signals of distribution cabinets (such as circuit breaker opening and closing feedback);
Redundant control architecture: Build a high reliability input system in conjunction with redundant power modules;
4、 Key points for installation and maintenance
Hardware configuration
Wiring specification: The cross-sectional area of the wire is ≤ 1.5mm 2, and M3 screws are used to fix the terminals to ensure reliable grounding;
Environmental adaptability: working temperature -25 ° C to+70 ° C, protection level IP20 (to be installed in the control cabinet);
Debugging and Diagnosis
Configure module parameters through Unity Pro software to monitor input status and fault information in real-time;
Regularly check the tightness of the terminals and the status of the LED to avoid signal loss caused by poor contact;
