KFD2-STC4-EX1电源模块 PDF资料
1.产 品 资 料 介 绍：
KFD2-STC4-EX1 是倍加福公司的一款单通道智能变送器电源模块，属于隔离式安全栅，用于为危险区的变送器供电并传递4-20mA信号。
中间15条特点：
单通道隔离式安全栅，适用于防爆2区安装。
供电电压范围为20至35V DC，额定工作电压24V DC。
功耗约1.4至1.9W，功耗低适合密集安装。
输入信号为0/4至20mA，可连接2线制或3线制智能变送器。
输入端提供电压≥16V，为变送器提供充足配电能力。
输出信号为0/4至20mA，负载能力0至800Ω。
输出纹波最大50µA，信号纯净适合高精度控制。
传输精度高，20℃时偏差≤10µA。
温度影响系数仅0.25µA/K，宽温下输出稳定。
频率响应范围为0至7.5kHz，支持HART智能通信。
上升时间20µs，建立时间200µs，响应速度快。
输入与输出之间隔离电压峰值375V，安全可靠。
具备ATEX、IECEx等多种防爆认证，可用于Zone0/1/2危险区。
功能安全等级达SIL2，适用于安全要求较高的场合。
工作温度-20至60℃，安装于35mm DIN导轨。
结尾：
总之，KFD2-STC4-EX1是一款集本安防爆、高精度传输、HART通信和SIL2功能安全于一体的隔离式安全栅，适用于石油、化工等危险区域的过程控制系统。
KFD2-STC4-EX1电源模块 英文介绍
KFD2-STC4-EX1 is a single channel intelligent transmitter power module from Beckhoff, which belongs to an isolated safety barrier and is used to power transmitters in hazardous areas and transmit 4-20mA signals.
The 15 characteristics in the middle:
Single channel isolated safety barrier, suitable for installation in explosion-proof zone 2.
The power supply voltage range is 20 to 35V DC, with a rated operating voltage of 24V DC.
The power consumption is about 1.4 to 1.9W, which is low and suitable for dense installation.
The input signal ranges from 0/4 to 20mA and can be connected to a 2-wire or 3-wire smart transmitter.
The input terminal provides a voltage of ≥ 16V, providing sufficient power distribution capacity for the transmitter.
The output signal ranges from 0/4 to 20mA, with a load capacity of 0 to 800 Ω.
The maximum output ripple is 50 µ A, and the signal is pure and suitable for high-precision control.
High transmission accuracy, with a deviation of ≤ 10 µ A at 20 ℃.
The temperature influence coefficient is only 0.25 µ A/K, and the output is stable over a wide temperature range.
The frequency response range is 0 to 7.5kHz and supports HART intelligent communication.
Rise time of 20 µ s, establishment time of 200 µ s, fast response speed.
The peak isolation voltage between input and output is 375V, which is safe and reliable.
Equipped with multiple explosion-proof certifications such as ATEX and IECEx, it can be used in Zone0/1/2 hazardous areas.
The functional safety level reaches SIL2, suitable for occasions with high safety requirements.
Working temperature -20 to 60 ℃, installed on a 35mm DIN rail.
Ending
In summary, KFD2-STC4-EX1 is an isolated safety barrier that integrates intrinsic safety explosion-proof, high-precision transmission, HART communication, and SIL2 functional safety. It is suitable for process control systems in hazardous areas such as petroleum and chemical industries.
KFD2-STC4-EX1电源模块 产品展示
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