MELSECNET/H和CC-Link使用循环通信的方式，周期性自动地收发信息，不需要专门的数据通信程序，只需简单的参数设定即可。MELSECNET/H和CC-Link是使用广播方式进行循环通信发送和接收的，这样就可做到网络上的数据共享。
另外，Q系列PLC除了拥有上面所提到的网络之外，还可支持 PROFIBUS、Modbus、DeviceNet、ASi等其它厂商的网络，还可进行 RS-232/RS-422/RS－485等串行通信，通过数据专线、电话线进行数据传送等多种通信方式。
Bently Nevada 125720-01 4 Channel Relay I/O Module
Brown Boveri Circuit Shield Differential Relay 219M2573
Bosch 9810231081/081WV06P1V1020KA115/60 D51 Directional Control Valve NIB
Bosch A24/2-E 24V Output Module 050634-204401 A2405E
Moore 15704 PCB PC Board Card
Mettler-Toledo A14093400A REM I/O Module A-14093-400-A
Westinghouse Numa Logic NL-1057 D/A Converter NL1057
General Electric 8000 Size 2 30 Amp Breaker MCC Bucket MCCB TEC GE Starter Motor
GE 8000 Series Size 1 Breaker Type MCC Bucket MCCB 30A w/ 20A plug
Allen Bradley Control Logix 1756-A10 B 10 Slot Chassis 1756A10B 10 Rack cover
Reliance Electric RE DIVA Analog Board Divider 0-52804
GE 12IAC53B811A Time Overcurrent Relay Very Inverse 1.5-12A General Electric IAC
Allen Bradley AB 845H-SJDZ24CKY1 Optical Encoder NIB
Indramat AC Servo Capacitor TCM 1.1-08-W0 001855 375 820 TCM1.108W0
GE 8000 Series Size 2 Breaker MCC Bucket MCCB 12" 30A
Gould AC-1120-000 Analog Setpoint Module 4-20mA DC
Westinghouse Panelboard Switch FDPS-324R 200 Amp 240V FDPS324R Fusible 200A
GE DIFCA5B Digital Time Overcurrent Relay Rev B 5 Amps DIFCA* General Electric
Woodward Governer Co. Import Control 8271-570
Reliance Electric 0-55307 Power Supply Inverter 055307
Westinghouse Numa-Logic NLE-770 NLE770 Expander / Rmote
Westinghouse Numa Logic NL-1026 Source Output NL1026
TI/Siemens 505-6511 Redundant Base 11 I/O Slot 5056511
Basler Electric BE1-50/51B-107 Solid State Protective Relay BE150 51B107 SS
ATek Model TruAmp 3 Welding Control and Monitor A-Tek Tru-Amp TA III
Westinghouse Breaker FD3070LF 70 Amp 70A A 70Amp
Westinghouse 6.25kVA 460/230 Transformer 1PH 6.25 kVA 460V 230V
SOLA Hevi-Duty SDN 20-24-100P Power Supply SDN2024100P PS 24 VD
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