General Electric   IC697CGR772   !!!  ---mail to: sales3@amikon.cn  

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The CGR772 is used as the controller in a CPU Redundancy system. Two redundancy control methods can be configured using the CGR772. The GHS method (IC660/661 Hot Standby) uses multiple single bus IC660/661 I/O networks with one redundant controller in each synchronized PLC. 

The GDB method (IC660/661 Dual Bus) uses multiple dual bus IC660/661 I/O networks with two redundant controllers in each synchronized PLC. The location of the CGR772 modules in a typical Hot Standby CPU Redundancy system is shown in Figure 1.

General Electric   IC697CGR772

GE  IC697CGR772 | General Electric | Memory Module

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The CGR772 has three on-board serial ports which can be configured to behave as three independent communications ports. These three ports are accessed by connections on the front of the module for serial interface to the programming computer, or other serial serial devices.

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