行业组件数据 · 2026

输入连接器/接线端子

繁體:輸入連接器/接線端子

用于将模拟传感器(如温度、压力、流量)与模拟输入模块接口连接的模块化电气连接器系统。

技术定义与适配语境
典型 输入连接器/接线端子 会按材料、尺寸公差、适配关系和失效风险在 计算机、电子和光学产品制造 中评估。

一种模块化电气连接器系统,设计用于将模拟传感器(如温度、压力、流量)与模拟输入模块接口连接。它为现场布线提供安全、有序的端接点,确保可靠的信号传输,同时提供螺钉夹紧、弹簧夹紧或绝缘位移连接等功能。通常包括用于电路标识的标记区域,并可能包含浪涌保护或隔离屏障。 提供现场传感器布线与模拟输入模块电路之间的机械和电气接口。来自传感器的导线端接在连接器的端子上,通过金属触点保持电气连续性。连接器将这些信号路由到模块的输入通道,通常包括防止串扰、减少电磁干扰(EMI)和确保正确接地的功能。它还可以提供通道之间的隔离以防止接地回路。

组件规格

定义
一种模块化电气连接器系统,设计用于将模拟传感器(如温度、压力、流量)与模拟输入模块接口连接。它为现场布线提供安全、有序的端接点,确保可靠的信号传输,同时提供螺钉夹紧、弹簧夹紧或绝缘位移连接等功能。通常包括用于电路标识的标记区域,并可能包含浪涌保护或隔离屏障。

提供现场传感器布线与模拟输入模块电路之间的机械和电气接口。来自传感器的导线端接在连接器的端子上,通过金属触点保持电气连续性。连接器将这些信号路由到模块的输入通道,通常包括防止串扰、减少电磁干扰(EMI)和确保正确接地的功能。它还可以提供通道之间的隔离以防止接地回路。
工作原理
Provides a mechanical and electrical interface between field sensor wiring and the analog input module's circuitry. Conductors from sensors are terminated at the connector's terminals, which maintain electrical continuity through metal contacts. The connector routes these signals to the module's input channels, often including features to prevent cross-talk, reduce electromagnetic interference (EMI), and ensure proper grounding. It may also provide isolation between channels to prevent ground loops.
材料
外壳:聚酰胺(PA66)、聚碳酸酯(PC)或热固性塑料(UL94 V-0阻燃等级)。触点/夹子:铜合金(如黄铜、磷青铜)镀锡、银或金以提高耐腐蚀性和低接触电阻。螺钉:钢制镀锌或镀镍。标记条:聚酯或PVC。
Pitch
5.08 mm, 3.81 mm, or 3.5 mm
Wire Size
0.2–2.5 mm² (AWG 24–12)
Rated Current
Up to 16 A
Rated Voltage
Up to 300 V AC/DC
Protection Class
IP20
Contact Resistance
<5 mΩ
Number of Positions
2–24 poles
Insulation Resistance
>100 MΩ at 500 V DC
Operating Temperature
-40°C to +105°C
标准
IEC 60947-7-1UL 1059DIN EN 60947-7-1

行业分类与别名

输入连接器/接线端子 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Insufficient torque on screw clamps->Intermittent or high-resistance connections causing signal noise or loss->Use calibrated torque screwdrivers; implement periodic maintenance checks; consider spring clamp alternatives.
Vibration in industrial environments->Wires loosening from terminals, leading to signal dropout->Use vibration-resistant designs (e.g., screw clamps with locking washers, spring clamps); secure wiring with cable ties; mount on stable DIN rails.
Exposure to corrosive atmospheres (e.g., chemicals, salt spray)->Corrosion of contacts increasing resistance or causing open circuits->Select materials with appropriate plating (e.g., gold or silver); use protective covers or enclosures; specify IP-rated connectors for harsh environments.

工业生态与工程逻辑

0
Loose connections causing signal drift or loss
1
Incorrect wiring leading to short circuits or module damage
2
Exposure to moisture or contaminants degrading insulation
3
Electromagnetic interference (EMI) corrupting analog signals
4
Thermal expansion/contraction loosening connections over time

合规与检测

tolerance
Contact resistance tolerance: ±10% of nominal value; insulation resistance: >100 MΩ at 500 V DC; dielectric strength: 2.5 kV AC for 1 minute
test method
Testing per IEC 60512 for electrical continuity, insulation resistance, and dielectric strength; mechanical tests per IEC 60068 for vibration, shock, and temperature cycling; material tests per UL 94 for flammability.

制造该组件的工厂

来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What is the difference between screw clamp and spring clamp terminal blocks?

Screw clamps use a screw to secure the wire, offering high retention force and suitability for vibration-prone environments. Spring clamps use a spring mechanism for tool-free, quick installation, ideal for high-density applications and frequent re-wiring.

Can I use the same terminal block for both analog and digital signals?

Yes, but it is not recommended. Analog signals are sensitive to noise and crosstalk. Use dedicated, shielded, or isolated terminal blocks for analog signals to maintain signal integrity, while digital signals are less susceptible.

How do I prevent ground loops in analog input connections?

Use isolated terminal blocks that provide galvanic isolation between channels or between field wiring and the module. Ensure proper grounding practices, such as single-point grounding, and use shielded cables with the shield grounded at one end only.

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CNFX Industrial Component Index · 计算机、电子和光学产品制造

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初步技术归类
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