1769-ECR 1769-ECR 1769-ECR • 2 冗余系统构建 ControlLogix系统采用了基于“生产者/消费者”的通讯模式,为用户提供了高性能、高可靠性、配置灵活的分布式控制解决方案。ControlLogix系统实现了离散、过程、运动三种不同控制类型的集成,能够支持以太网、ControlNet控制网和DeviceNet设备网,并可实现信息在三层网络之间的无缝传递。因而,ControlLogix被广泛地应用于各种控制系统。[1] 构建ControlLogix冗余系统的核心部件是处理器和1757-SRM冗余模块。目前,有1756-L55系列处理器模块支持冗余功能,其内存容量从750KB到7.5MB不等。1757-SRM冗余模块是实现冗余功能的关键。如图1所示,在冗余系统中,处理器模块和1757-SRM冗余模块处于同一机架内。为了避免受到外界电磁干扰,提高数据传输速度,两个机架的1757-SRM模块通过光纤交换同步数据。所有的I/O模块通过ControlNet控制网与主、从控制器机架内的1756-CNB(R)控制网通讯模块相连接。 ♥corporate name:中海德(福建)工业设备有限公司♥ • ♥person:陈先生♥ • ♥Mobile phone:15280428828 ♥ • ♥Telephone:0591-83487060♥ • ♥Fax:0591-83489960♥ • ♥QQ:2851617300♥ • ♥E-mail:2851617300@qq♥ A20B-0008-0430 CRTC / PUNCHER CARD A16B-1200-0150 FANUC ROM BOARD A87L-0001-0017 BMU 256 - 1 FANUC 6 MEMORY CARD A20B-0007-0040 FANUC I/O BOARD A20B-0008-0540 FANUC 6 INPUT / OUTPUT CONTROL CARD (2) A14B-0061-B103 FANUC INPUT UNIT A860-0056-T020 FANUC TAPE READER UNIT A20B-0007-0040/03A FANUC INPUT/OUTPUT BOARD A87L-0001-0016 B FANUC BMU 64-2 CARD A20B-0007-0070-05B FANUC CRT CARD A860-0200-T020 FANUC PULSE GENERATOR A14B-0061-B00104 FANUC POWER UNIT A20B-0007-0061 -01A FANUC PC/PUNCHER CARD A20B-0007-0030 /02A FANUC KEY PAD A20B-0007-0441 /02 FANUC KEY PAD A20B-0008-0460 RES BOARD A16B-1200-0161 RES ADD AXIS PCB NEW A61L-0001-0072 FANUC SCREEN 9" GREEN A02B-0048-C012 GEFANUC MDI/CRT UNIT FANUC 6M FANUC 6M - CARDS A20B-0007-0010 /07D FANUC MASTER BOARD A20B-0007-0070 .06B FANUC CRT CARD A20B-0007-0040 /03A FANUC I/O BOARD TWO OFF A860-0201-T001 FANUC PULSE GENERATOR A02B-0048-C012 FANUC MDI/CRT UNIT A61L-0001-0072 FANUC VDU A20B-0007-0441 FANUC KEY BOARD WITH PCB A20B-0007-0030 FANUC KEY BOARD PCB A860-0056-T020 FANUC TAPE READER FANUC 6M-B FANUC 6M - CONTROL CARDS A16B-1000-0030 /05C FANUC MASTER BOARD A20B-0007-0090 E FANUC ADD AXIS (P/C) CARD A20B-0008-0430 A FANUC CRT/PUNCHER CARD A16B-1200-0150 A FANUC ROM CARD A20B-0008-0440 A FANUC PC MODEL-B A20B-0008-0540 /01A FANUC I/O BOARD TWO OFF A14B-0061-B103 -03 FANUC INPUT UNIT A20B-0007-0340 FANUC INPUT UNIT TOP CARD A14B-0061-B002 -02 FANUC POWER UNIT A20B-1000-0030 FANUC POWER UNIT TOP CARD A02B-0047-C071 FANUC TAPE READER A02B-0060-C032 FANUC CRT/MDI UNIT A61L-0001-0076 FANUC VDU REPAIRS A20B-1000-0131 FANUC KEY BOARD WITH PCB A20B-0007-0030 FANUC KEY BOARD TOP PCB GN 6 FANUC 6M-B SPARES A20B-0008-0430 A FANUC CRT/PUNCHER CARD A87L-0001-0016 11H FANUC BMU MEMORY CARD 64-2 A20B-0008-0480 A FANUC ROM CARD A20B-0008-0461 A FANUC 6-M RESOLVER / INDUCTORSIN CARD A20B-0007-0040 /05A FANUC I/O BOARD