末返回信息告警功能基于总通道可用,并且只有在环形结构中是活动的。未返回的输入1输出信息总数作为实际值中状态直接输入中及未返回信息计数通道1(2)的真实值可用。为保护未装入定值的继电器在安装时不受损坏，在定值继电器设设为“已编程”状态前,不允许任何输出继电器加入信号。出厂时该定值默认为“未编程的”
OPTO 22 G4-RAX USPP G4RAX
OPTO 22 G4-RD USPP G4RD
OPTO 22 M4PS24D USPP M4PS24D
OPTO 22 G4D16R WITH BASE (PLC1416)
Opto 22 PB32P2 PAMUX / PC BOARD I/O WARRANTY
Lot of 14 Opto 22 Snap I/O & 3 SNAPD6MC Board
OPTO 22 SNAP-ENET-D64 SNAP Ethernet I/O Brain – Digital Only
SNAP-IT-RM-UM16-GDDS OPTO22 SNAP-IT
OPTO 22 G4HDAL MISTIC 32 CHANNEL HIGH RES ANALOG
OPTO 22 SNAP-AIV-8 NSFP SNAPAIV8
OPTO 22 SNAP-B3000 NSFP SNAPB3000
G4A8R/G4REG – REMOTE ANALOG 8 CHANNEL OPTO22 G4A8R / G4
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