Processor and Memory

Processor: 600 MHz Pentium®-M

Delivers significantly improved performance and optimized power consumption compared to CRE020

User memory:

64 MB battery-backed RAM

64 MB non-volatile Flash memory

Supports storage of application programs, configurations, and symbolic variables

Supports auto-located symbolic variables for flexible memory utilization

Redundancy Capability

Hot Standby Redundancy (HSB)

Synchronization time: < 1 scan cycle

Automatic fault detection and seamless CPU switchover

Continuous synchronization of:

User programs

Configuration data

Register and status data

Ensures uninterrupted control during CPU failures or maintenance

Communication Interfaces

Ethernet:

Dual 10/100 Mbps RJ45 ports with integrated switch

Serial interfaces (isolated):

RS-232 × 2

RS-485 × 1

Supported Protocols and Services

EGD (Ethernet Global Data)

SRTP

Modbus TCP (Master / Slave)

SNTP time synchronization

Embedded Web and FTP services

Supports up to 16 concurrent connections

Backplane and I/O Compatibility

Compatible with VME64 backplane

Supports:

RX7i I/O modules

Series 90-70 I/O modules

Standard VME modules

Enables mixed I/O architectures for system expansion and migration

Power Requirements

+5 V DC, 3.2 A typical

±12 V DC, 0.003 A typical

Environmental Specifications

Operating temperature: 0 °C to +60 °C

Storage temperature: –40 °C to +85 °C

Humidity: 5% to 95% RH (non-condensing)

Physical Characteristics

Standard RX7i module form factor

Weight: approximately 1.33 kg (2.94 lbs)

Programming and Software Support

Fully compatible with Proficy™ Machine Edition

Supports IEC 61131-3 programming languages:

Ladder Diagram (LD)

Structured Text (ST)

Function Block Diagram (FBD)

C language

Key Functions and Adaptation Notes
Redundancy Mechanism

Supports hot standby CPU switching

Automatic synchronization between primary and backup CPUs

Maintains deterministic control and high system availability

Communication Enhancements

Dual Ethernet ports support:

Redundant IP configurations

High-speed EGD data exchange

Serial ports support:

Firmware upgrades

Diagnostics and remote maintenance

Installation and Thermal Considerations

Fan tray installation is required to ensure adequate heat dissipation

Dual Ethernet ports must not be connected to the same network device to prevent packet looping or conflicts