原装台湾进口.如感兴趣可来电咨询５个VR调整说明:VR1 - ACC  :缓冲上升时间调整　VR2- O-L :过电流跳脱调整整                               VR3- I-LIMIT:电流限制调整                               VR4- V BAIS:基准电压输出调整                               VR5- V MAX:最高输出电压调整灯号显示说明:L1-PL: 电源指示灯                        L2-IN: TIC信号输入指示                       L3-OUT:输出指示灯                       L4-OTH:超温指示L5-O.L:过电流指示                       L6-F.H.O:保险丝.负载开路                       L7-S.S:SCR故障外部接线:AC1.AC2:220V辅助电源NO.COM.NC:异常接点                 CT.CT:5ACT回授                  E6.E5.E4:电流设定                 M:手动信号＋－：4-20MA.1-5V.0-10V输入                 E3.E2.E1:电压设定CT可内置可外加(电流感测)