主要技术参数：
* 电源电压：AC 220V   50Hz
* 开关触头额定容量：主回路500V、15A
                    信号回路110V、2A
* 跟踪电压：0--10V DC 、1--5V DC
* 上下限位：Ⅱ：上限5--10mA 任意可调
                下限0--5mA  任意可调
            Ⅲ：上限12--20mA 任意可调
                下限4--12mA  任意可调
* 工作条件：a.环境温度：0 -- +50℃
            b.相对湿度：≤85%
*

规格型号                     输入电流(mA)                         外形尺寸                        备注

DFD-07                        0--10                                         295×80×160                   带限位

DFD-0700                    4--20                                                                               

DFD-09                        0--10                                                                                 

DFD-0900                    4--20                                                                               

DFD-05                        0--10                                         80×80×250                    

DFD-0500                    4--20