☆型号:XVME-212/2 数字输入模块 32 个光隔离数字输入通道
【产品详情】
特征:
32 个光隔离数字输入通道
可编程扫描器
输入去抖动电路
50 或 65 VDC 反向偏置保护
Xycom XVME-212 数字输入 VME 模块提供 32 个数字输入通道。该模块具有可编程扫描器电路,可以检测 32 个输入通道中的任何一个上的状态变化。XVME-212 无需主机处理器不断轮询数字 I/O 来获取信号转换数据。在中断转换时,模块可以通过生成 VMEbus 中断来通知主机处理器。
该模块非常适合连接到按钮或继电器触点。它包含具有 8 个跳线可选去抖动间隔的输入去抖动电路,以及一个隔离的板载 12 V 电源。还提供 300 VDC 光隔离和 50 VDC 反向偏置保护。它将接受 10-50 VDC 的输入电压。
• 输入电压低:0 - 0.8 VDC
• 输入电压高:2 - 6.5 VDC
• 输入阻抗:330 Ω
XVME-212 的 /2 版本与 /1 版本非常相似,除了允许的输入电压范围和没有板载 +12V 直流电源。XVME-212/2 具有 TTL 电平输入,最大输入为 6.5V。此外,+12V隔离板载电源不可用,取而代之的是VME背板现有+5V电源的跳线。
【英文介绍】
• Input low voltage: 0-0.8 VDC
• High input voltage: 2-6.5VDC
• Input impedance: 330Ω
Version /2 of XVME-212 is very similar to version /1 except for the allowed input voltage range and the absence of an onboard +12V DC power supply. The XVME-212/2 has TTL level input with a maximum input of 6.5V. In addition, the +12V isolated onboard power supply is not available and is replaced by a jumper for the existing +5V power supply in the VME backplane.
Features:
32 optical isolated digital input channels
Programmable scanner
Input dejitter circuit
50 or 65 VDC reverse bias protection
Xycom XVME-212 Digital input The VME module provides 32 digital input channels. The module has a programmable scanner circuit that can detect state changes on any of the 32 input channels. The XVME-212 eliminates the need for the host processor to constantly poll digital I/O for signal conversion data. When an interrupt conversion occurs, the module can notify the host processor by generating a VMEbus interrupt.
The module is ideal for connecting to buttons or relay contacts. It contains an input dejitter circuit with 8 jumper selectable dejitter intervals, and an isolated onboard 12 V power supply. It also provides 300 VDC optical isolation and 50 VDC reverse bias protection. It will accept an input voltage of 10-50 VDC.
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