GE IC695CRU320- EJ Control Redundant Unit

Description

IC695CRU320 EJ Product Description:
GE  IC695CRU320- EJ control redundant unit is paired with compatible CPU modules (such as IC695CPU320HU, IC695CPE330) to achieve high availability (HA) configuration.
As the backbone of redundant systems, synchronize master and slave CPU data, manage fault transition logic, and ensure consistent replication of states. Supports active active or active standby modes, where the active standby mode ensures that the standby CPU is in a synchronized idle state before triggering a fault.

IC695CRU320-EJ

Main features and advantages:
High speed synchronization: Using a dedicated high-speed backplane interface to mirror data between CPUs at a speed of 200 MB/s, ensuring sub millisecond level synchronization latency.
Fault detection and fault transfer: Built in diagnostics continuously monitor CPU status, including power status, communication integrity, and error handling. When a fault is detected (such as watchdog timeout, memory parity error), a fault transition is initiated within 50 milliseconds. An optional configurable delay timer can be used to prevent false triggering of transient faults.
Robust industrial design:
Can operate within a temperature range of -40 ° C to+70 ° C.
Compliant with the EMC standards of IEC 61000-6-2/6-4, it can withstand harsh industrial environments.
Passive cooling design without fans or moving parts reduces maintenance requirements.
LED indicator lights (synchronous status, fault transfer activation, power) provide real-time visibility of system health.
Scalability and flexibility:
When paired with high-end VersaMax CPUs, it supports up to 8192 redundant I/O points, making it suitable for large-scale systems.
Enable hybrid redundancy mode, where some I/O racks are configured as redundant while others remain non redundant to optimize costs in less critical areas.

IC695CRU320-EJ

Technical specifications:
Model  IC695CRU320- EJ
Brand GE
Type Control Redundancy Unit (CRU)
Redundant mode active standby (hot standby), active active (load sharing)
Synchronous speed of 200 MB/s (backplane interface)
Fault transition time<50 milliseconds (configurable delay: 0-100 milliseconds)
The power supply is obtained from the CPU chassis (24 VDC)
Working temperature -40 ° C to+70 ° C
Installation method DIN rail (EN 50022)
Size 100 x 150 x 110 millimeters (width x height x depth)
Weight 0.5 kg
Compatible with CPU IC695CPU320HU, IC695CPE330, IC695CPU315
Certified CE, UL, cUL, IEC 61508 (SIL 2 compatible), EN 50155 (optional for railways)

Contact Us
Phone:+86 16626708626
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IC695CRU320-EJ

Related products:
IC695CPU320HU: Suitable for harsh environment CPUs with critical redundancy pairs.
IC695CPE330: High performance controller with edge computing function, suitable for active active configuration.
IC695PWR330R: Redundant power module that can be paired with CRU to achieve dual power flexibility.
IC695ETM001R: Redundant Ethernet module used for mirroring network paths in HA systems.
IC695SGM001: SIL 2 safety module, used to integrate safety logic into redundant control circuits.
IC695MDL754R: Redundant digital output module for fault safe driving in critical paths.

IC695CRU320-EJ

Installation and maintenance:
Considerations before installation:
Install the CRU in a dedicated slot between the master and slave CPUs within the same chassis.
Ensure that both CPUs are of the same model and have matching firmware versions to avoid synchronization errors.
For network redundancy, use separate switches to configure primary and secondary Ethernet interfaces, and use RSTP (Fast Spanning Tree Protocol) to prevent broadcast storms.
Maintenance Agreement:
Use the built-in diagnostic function of Studio 5000 for quarterly redundant fault transfer testing, simulate CPU failures to verify switching time and data consistency.
Monitor the status of CRU LED daily to identify synchronization errors or power supply anomalies.
Check the backplate connections annually for corrosion or looseness, especially in high vibration environments.
Record all maintenance work according to ISO 22301, including test logs and firmware update records.

IC695CRU320-EJ

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