描述
通讯模块，它接人PLC后，可使PLC与计算机，或PLC与PLC进行通讯，有的还可实现与其它控制部件，如变频器、温控器通讯，或组成局部网络。通讯模块代表PLC的组网能力，代表着当今PLC性能的重要方面。
掌握PLC性能，一定要了解它的模块，并通过了解模块的性能，去弄清楚PLC的性能。
Alcatel 3AL79088AC T-Bus card for 1662SMC new
Alcatel MDR AE-37V-1 Controller Card 644-0248-001
Expedited shipping available
Alcatel MDR Line Build Out Card 690-2730-002 L50P1070
Expedited shipping available
Alcatel MDR AE-37R-3 Controller Card 644-0082-003
Expedited shipping available
Alcatel MDR AE-35R-1 FLT Alarm Intfc Card 822-0350-001
Expedited shipping available
Alcatel MDR-6000 Relay Interface Card 644-0089-001
Expedited shipping available
Alcatel MDR-6000 Controller Card 644-0092-002 CA015795
Expedited shipping available
Alcatel MDR-6000 OSS Interface Card 6440091002 CA015746
Expedited shipping available
Alcatel MDR-6000 Audio Interface Card 644-0090-001
