HSMS、SECS、GEM产品比较

功能	SECS Driver	SECS/GEM基础版	SECS/GEM高级版
HSMS连接	√	√	√
SECS自定义SxFy消息	√	√	√
状态反馈	√	√	√
HSMS状态管理	√	√	√
自动断线重连	√	√	√
超时处理	√	√	√
State Models		√	√
Equipment Processing States		√	√
Host Initiated S1F13/F14 Scenario		√	√
Event Notification		√（*）	√
On-Line Identification		√	√
Error Messages		√	√
Documentation		√	√
Control (Operator Initiated)		√	√
Establish Communications		√	√
Dynamic Event Report Configuration		√	√
Data Variable and Collection Event Namelist Requests		√	√
Variable Data Collection		√（*）	√
Trace Data Collection		√	√
Status Data Collection		√	√
Alarm Management		√（*）	√
Remote Control		√	√
Equipment Constants		√	√
Process Program Management		√	√
Material Movement		√	√
Equipment Terminal Services		√	√
Clock		√	√
Limits Monitoring		√	√
Spooling		√	√
Control (Equipment-Initiated)		√	√

（*）SECS/GEM基础版支持SV、Event、Alarm数量点各100