发明名称 |
INPUT/OUTPUT UNIT AND CONTROL SYSTEM |
摘要 |
An input/output unit includes: an input/output device that transmits, in response to a control request frame, a control response frame to a control device; a first conversion device that is included in a first system communication path and converts the control request frame to an electrical signal; a second conversion device that is included in the first system communication path and converts the control response frame to an optical signal; a third conversion device that is included in a second system communication path and converts the control response frame to an optical signal; and a fourth conversion device that is included in the second system communication path and converts the control request frame to an electrical signal. The third conversion device obtains a reception status at the first conversion device and transmits the reception status to the control device. |
申请公布号 |
CA2818367(A1) |
申请公布日期 |
2013.12.13 |
申请号 |
CA20132818367 |
申请日期 |
2013.06.11 |
申请人 |
HITACHI, LTD. |
发明人 |
ONOZUKA, AKIHIRO;SHIMIZU, TOSHIKI;UEMURA, KAZUNORI;SHIRAISHI, MASAHIRO |
分类号 |
G05B9/03;G05B15/02;G05B23/00 |
主分类号 |
G05B9/03 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|