不推荐使用低电压操作数的返回来作为差动元件的闭锁输入。差动元件包括饱和检测器，饱和检测器对差动电流和制动电流之间一定的时间关系做出反应，因此，为了合适地运行它必须时总是处于运行状态。这个元件可以用来给出–个需要的时间延时动作特性
OPTO-22 AC-28 Pamux ISA Card
OPTO 22 PB16H
OPTO 22 001828H PC BOARD
Opto 22: DA3 4-20 mA Output Module
OPTO 22 AC37 High Speed Serial Co-Processor RS-485 ISA
OPTO 22 G4PB16T FIELD CONTROL 16 CHANNEL BOARD w. RELAY
Opto 22 Model: IAC5Q, 4-Channel AC Input Module
Lot of Opto 22 Mdl: IDC5B Relay Modules, .Qty. 10
Opto 22 Mounting Rack Terminal Strip Bus System PB16H NIB
OPTO22 G4PB4 STRAP JUMPER STRAP FIELD CONTROL (2314)
OPTO 22 4 CHANNEL OUTPUT MODULE RACK PB4R 000230E LAGUN-MATIC 250
OPTO 22 CONTROL SOLID STATE RELAY MODEL 120D10 LAGUN-MATIC 250 B
OPTO 22 SOLID STATE RELAY 120D10 LAGUN-MATIC 250 CNC
PBSA OPTO 22 5VDC Mistic/Optomux power supply 120VAC IN
1 OPTO 22 G4PB4 4-CHANNEL MOUNTING RACK NIB
