描述
PLC实现对系统的控制可不用外部设备，配置好合适的模块就行了。然而，要对PLC编程，要监控PLC及其所控制的系统的工作状况，以及存储用户程序、打印数据等，就得使用PLC的外部设备。故一种PLC的性能如何，与这种PLC所具外部设备丰富与否，外部设备好用与否直接相关。
Expedited shipping available
SYMBOL MOTOROLA LS4208-PR20007ZZR SCNR:MULTI-INTRFCE,PD
SYMBOL MOTOROLA LS9208-SR11007NNWR LS9208I:HF NO STAND,
MOTOROLA SYMBOL DS6707 WIRED DS6707-SR20007ZZR
SYMBOL MOTOROLA LS4208-SBZU1200ZR Kit: USB Series A, 9f
SYMBOL MOTOROLA LS4208-SWZU1200ZR Kit: USB Series A, 9f
SYMBOL MOTOROLA CRD1000-4000UR CRADLE:MC1000 W/POWER SU
SYMBOL MOTOROLA KT-70924-02R KIT:MODEM, MC1000
SYMBOL MOTOROLA LS9203-SR11007NSWR LS9203I:HF STAND,TWL
SYMBOL MOTOROLA LS4208-SWZK0200ZR KIT: KEYBOARD PS/2 9F
SYMBOL MOTOROLA LS4208-SBZK0200Z KIT: KEYBOARD PS/2, 9F
