描述
采用层次化的体系结构,通信网络分布于各层并采用数字通信方式,唯有生产现场层的常规模拟仪表仍然是一对一模拟信号(如4~20mA DC)传输方式,是一个“半数字信号”系统。
FIREYE 71D90 NSFP 71D90
Fireye 48PT2-1003 Infra-Red Flame Scanner
FIREYE 70D30 USPP 70D30
FIREYE MEIR4 IR AMPLIFIER
FIREYE 71D90 USPP 71D90
Fireye Brurner controls
NEW FIREYE MEUVS4 SELF-CHECK AMPLIFIER MODULE BOARD
FIREYE 60-1386-2 CLOSED FRAME WIRING BASE ADAPTER PLATE