基本信息:
- 专利标题： 用于单线安全通信的诊断和增强功能
- 申请号：CN201510971462.2 申请日：2015-12-22
- 公开(公告)号：CN105717786B 公开(公告)日：2019-06-28
- 发明人： 苏雷什·R·奈尔 , 韦恩·R·福斯特 , 克里斯托弗·布尔克 , 亚历克斯·哈里斯 , 鲁道夫·劳伦茨·帕彭布雷尔 , 迪尔克·洛伦茨 , 诺贝特·马初莱茨 , 奥利弗·赫克尔
- 申请人： 罗克韦尔自动化技术公司
- 申请人地址： 美国俄亥俄州
- 专利权人： 罗克韦尔自动化技术公司
- 当前专利权人： 罗克韦尔自动化技术公司
- 当前专利权人地址： 美国俄亥俄州
- 代理机构： 北京集佳知识产权代理有限公司
- 代理人： 唐京桥; 陈炜
- 优先权： 14/580,178 2014.12.22 US
- 主分类号： G05B9/02
- IPC分类号： G05B9/02
A single-wire safety system architecture is provided that yields reliable safety device monitoring without the need for dual redundant signal channels. The safety system comprises a safety relay acting as a communications master device and one or more compatible safety input devices connected in series with the safety relay via a single-wire communication circuit. The safety input device farthest from the safety relay on the safety circuit modulates a safety signal with a recognizable pulse pattern that traverses the single-wire safety circuit to the safety relay via the intermediate safety devices. The safety relay maintains safety mode as long as the pulse pattern is received and recognized. In addition to conveying the safety signal, the architecture allows bi-directional communication of initialization, configuration, and diagnostic messages over the single-wire safety channel. The architecture also facilitates rapid initialization of the safety channel using asynchronous sub-link detection and device enumeration.
公开/授权文献:
- CN105717786A 用于单线安全通信的诊断和增强功能 公开/授权日：2016-06-29