140DDI84100施耐德140離散量DC輸入模塊參數(shù)詳細(xì)說(shuō)明
140DDI84100施耐德140離散量DC輸入模塊輸入/輸出參數(shù)

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(shù)解析

一、核心參數(shù)

• ?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(diǎn)/濕接點(diǎn)信號(hào)；
• ?邏輯模式?：正邏輯輸入（漏型輸入），狀態(tài)“1”觸發(fā)電壓≥9V DC（有效電流2.5mA）；
• ?分組隔離?：32通道分為4組（每組8通道），組間隔離耐壓達(dá)700V RMS（持續(xù)1分鐘）；
• ?響應(yīng)時(shí)間?：狀態(tài)切換時(shí)間≤4ms（0→1或1→0），適用于高速信號(hào)采集場(chǎng)景；

二、技術(shù)特性

1. ?電氣性能?

   • ?輸入電流范圍?：
     • 狀態(tài)“1”：12V DC時(shí)6-30mA，24V DC時(shí)2-15mA，48V DC時(shí)1-5mA；
     • 泄漏電流≤1.8mA（低電壓條件下）5；
   • ?功耗?：靜態(tài)功耗1W，動(dòng)態(tài)功耗隨激活通道數(shù)增加（公式：1W + 0.62×通電點(diǎn)數(shù)）；

2. ?保護(hù)與診斷?

   • ?過(guò)壓保護(hù)?：內(nèi)置電路防止外部電壓異常（如浪涌或反向電壓）；
   • ?狀態(tài)指示?：
     • 每個(gè)通道配備綠色LED顯示輸入狀態(tài)，紅色LED指示外部故障（如斷線或超壓）；
     • 總線通信狀態(tài)通過(guò)綠色LED實(shí)時(shí)反饋5；

3. ?通信接口?

   • 通過(guò)Modicon Quantum背板總線與PLC通信，默認(rèn)占用1個(gè)輸入字地址；
   • 支持PROFIBUS DP協(xié)議，可接入工業(yè)自動(dòng)化網(wǎng)絡(luò)實(shí)現(xiàn)集中控制；

三、應(yīng)用場(chǎng)景

• ?工業(yè)生產(chǎn)線?：適用于機(jī)床、包裝機(jī)械等設(shè)備的傳感器信號(hào)采集（如限位開關(guān)、光電傳感器）；
• ?能源與電力系統(tǒng)?：監(jiān)控配電柜狀態(tài)信號(hào)（如斷路器分合閘反饋）；
• ?冗余控制架構(gòu)?：配合冗余電源模塊構(gòu)建高可靠性輸入系統(tǒng)；

四、安裝與維護(hù)要點(diǎn)

1. ?硬件配置?

   • ?接線規(guī)范?：導(dǎo)線截面積≤1.5mm2，使用M3螺釘固定端子，確保接地可靠；
   • ?環(huán)境適應(yīng)性?：工作溫度-25°C至+70°C，防護(hù)等級(jí)IP20（需安裝于控制柜內(nèi)）；

2. ?調(diào)試與診斷?

• 通過(guò)Unity Pro軟件配置模塊參數(shù)，實(shí)時(shí)監(jiān)控輸入狀態(tài)及故障信息；
• 定期檢查端子緊固性及LED狀態(tài)，避免接觸不良導(dǎo)致信號(hào)丟失；

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;