描述
不论是就地组件还是总线接口,一旦其地址标识错误,必然造成通信网络紊乱,所以,要防止各组件的地址标识错误,防止人为的误动、误改。系统扩展时,一般应在系统停止运行时进行。尤其是采用令牌式通信方式的系统,任何增加或减少组建的工作都必须在系统停运时,将组态情况向网络发布,以避免引起不可预料的后果。
ABB SPAD346C3 SPAD 346 C3 DIFFERENTIAL RELAY PROTECTION
Hypertherm HT2000 041677 129160 Chopper used Spare
Credence LT1101 Voltage Supply Board 671-4014-04 Spare
TE-W Thermal Infrared Camera 160*120 core protype
Lot of 2973pcs NEC UPD78F0102HMC-5A4 F0102H 8-bit $1/pc
Welch Allyn 88042A Colposcope Factory Refurbished Spare
Refurbished ALSTOM STF-DL ANTENNA Ref: 23509 Rev. E