西门子EM221 DI模块8入6ES72211BF220XA0 6ES72211BF220XA0

西门子EM221 DI模块8入6ES72211BF220XA0
西门子核心代理商，以下产品现货销售，且价格非常有优势
S7-200系列出色表现在以下几个方面：
*极高的可靠性
*极丰富的指令集
*易于掌握
*便捷的操作
*丰富的内置集成功能
*实时特性
*强劲的通讯能力
*丰富的扩展模块

西门子EM221 DI模块 8入 24VDC                                6ES72211BF220XA0
EM221 DI模块16入 24VDC                                         6ES72211BH220XA0
EM222 DO模块 8出 24VDC                                       6ES72221BF220XA0
EM222 DO模块 8出 继电器                                        6ES72221HF220XA0
EM222 DO模块 4出 24VDC-5A                                 6ES72221BD220XA0

EM223DI/ DO模块4入/4出 24VDC                             6ES72231BF220XA0
EM223DI/ DO模块4入24VDC/4出继电器输出           6ES72231HF220XA0
EM223DI/ DO模块8入24VDC/8出继电器输出           6ES72231PH220XA0
EM223DI/ DO模块16入/16出 24VDC                        6ES72231BL220XA0
EM223DI/ DO模块16入24VDC/16出继电器输出      6ES72231PL220XA0

EM231模拟量输入模块 4输入                                     6ES72310HC220XA0
EM231 2路输入热电阻                                                  6ES72317PB220XA0
EM231 4路输入热电偶                                                  6ES72317PD220XA0
EM232 模拟量输出模块，2输出                                  6ES72320HB220XA0
EM235 模拟量输入/输出模块 4入/1出                        6ES72350KD220XA0
EM253 定位模块                                                             6ES72531AA220XA0
EM277 PROFIBUS-DP模块                                          6ES72770AA220XA0
CP241-1以太网模块                                                       6GK72431EX000XE0