描述
从结构上分，PLC分为固定式和组合式（模块式）两种。固定式PLC包括CPU板、I/O板、显示面板、内存块、电源等，这些元素组合成一个不可拆卸的整体。模块式PLC包括CPU模块、I/O模块、内存、电源模块、底板或机架，这些模块可以按照一定规则组合配置。
NEW FIREYE MEUVS4 SELF-CHECK AMPLIFIER MODULE BOARD
FIREYE 60-1386-2 CLOSED FRAME WIRING BASE ADAPTER PLATE
*NIB* Fireye 30 Second Prepurge Timer MT30-10 *NIB*
New! Fireye PSMH60F Air/Gas High Pressure Switch 10-60″
Fireye Pressure Temperature Sensor TS/PS Series PS348-7
Fireye D-Series amplifer 72d1r1/NIB
FIREYE EP113E PROGRAMMER MODULE NEW BOXED
Fireye 72DUV1 Amplifier Module Untraviolet New In Box
FIREYE 8-530 USPP 8530
Fireye Solid State Burner Management Series D
Fireye Pressure Temperature Sensor TS/PS Series PS348-3
Fireye 120V Flame Safeguard Control System 25SU5 4013
FIREYE EUVS4
FIREYE 71D81 PROGRAMMER
