供应研华PCL-740

PCL-740
 
RS-232/422/485/电流环串行通讯卡

	Main Features
RS-232, RS-422, RS-485或电流环接口
带16字节FIFO的16C550 UART
传输速率可达115 Kbps
灵活的I/O地址及IRQ选择
IRQ: 3, 4, 5, 6, 7, 9, 10, 11, 12 或 15

 																	
 数据表(PDF)
 技术资料下载

产品介绍

PCL-740是一款能够为您提供多种接口选项的电流环串行通讯卡。您可以在通用RS-232、远程通讯RS-422、多站RS-485或抗噪声电流环之间选择所需的通讯方式。卡上的16C550 UART芯片带有16字节的FIFO缓存器，能够提供高速、**的通讯质量（尤其是在Windows环境下）。卡上带有两块16C550 UARTs带有一个16位FIFO缓存芯片。UARTs将数据缓冲成16位数据包在将其放入总线之前。这样大幅度地降低了CPU负载并防止在系统繁忙时和不能及时处理中断而造成的数据丢失。

Specifications

 	PCL-740-AE
communicationInterfaces	CAN	-
Current Loop	V
RS-232	V
RS-422	V
RS-485	V
Display	Ports	1
Network	Cable Connector Type	-
Protection	Isolation	-
Surge	-

订货信息

		产品描述	

 	PCL-740-AE 	
1-port RS-232/422/485/Current-loop ISA COMM Card	

ISA总线通讯卡（PCL-800&PCL-700系列）
研华ISA总线型工业通信卡为工业自动化和数据采集应用提供了很好的RS-232/422/485解决方案，也是应付恶劣工业环境的很好选择。
Products
产品型号	产品描述
 PCL-740	 RS-232/422/485 Current-loop Communication Card

 PCL-741	 2-port RS-232 Current-loop Communication Card

 PCL-743B	 2-port RS-422/485 Interface Cards

 PCL-745B	 2-port RS-422/485 Cards with 3000 VDC isolation protection

 PCL-745S	 2-port RS-422/485 Cards with 3000 VDC Isolation and Surge Protection

 PCL-746+	 4-port RS-232/422/485 Communication Card

 PCL-846	 4-port High-speed RS-422/485 Communication Card

 PCL-849	 4-port RS-232 Communication Card

 PCL-858	 8-port High-speed RS-232 Communication Card