The GE IC698CRE030, also cataloged as the IC698CRE030 Central Processing Unit, serves as the primary IC698CRE030 Central Processing Unit utilized to execute boolean logic and network routing across Rx7i PACsystems platforms. The module operates at 600 MHz and executes hardware-level control cycles over dual integrated serial lines and a self-negotiating Ethernet interface.
| Parameter | Specification |
|---|---|
| Model | IC698CRE030 |
| Brand | GE Fanuc Emerson |
| Origin | USA |
| Weight | 1.33 kg (2.94 lbs) |
| Dimensions | Standard Rx7i slot width |
| Operating Temp | 0 to 50 deg C |
| Power Consumption | 16.0 W (3.2 A @ 5 VDC) |
| Processor Speed | 600 MHz |
| User Memory | 64 MB |
| Discrete I/O Capacity | 32 Kbits |
| Boolean Execution Speed | 0.069 ms |
| Communication Interfaces | 1x RJ45 Ethernet (10/100 Mbps), 1x RS-232, 1x RS-485 |
| Protocol Support | Modbus RTU Slave, SNP, Serial I/O |
| Redundancy Architecture | Hot Standby Redundancy |
The IC698CRE030 implements dedicated backplane bus communication velocity protocols to maintain deterministic I/O density scaling across the Rx7i rack layout. Embedded firmware flash compatibility enables simultaneous execution of high-speed Boolean calculation loops and Ethernet/IP or Profinet industrial network data prioritization. The underlying bus interface architecture ensures that critical application memory regions remain highly synchronized, minimizing internal transport jitter during high-density I/O scanning phases.
Q: What are the restrictions regarding hot-swapping the IC698CRE030 CPU within the Rx7i backplane?
A: The IC698CRE030 must not be inserted or removed while the VME backplane power is active. Prior to module extraction or insertion, the rack power supply must be completely isolated to prevent catastrophic electrical damage to the logic circuitry and backplane connectors.
Q: How is the synchronization delay managed during a Hot Standby Redundancy failover event?
A: The hardware architecture relies on deterministic memory-mirroring processes across the redundant pair. The dedicated transfer channel handles the 64 MB memory profile synchronization, allowing bumpless switchover execution within standard control cycle parameters if the primary unit drops its heartbeat signals.
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