Real-Time Clock & Interrupt Module

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What is the RCIM IV?

The Real-Time Clock & Interrupt Module (RCIM IV) is a multifunction card designed for time-critical applications on Concurrent Real-Time’s iHawk™ multiprocessing systems. The RCIM provides key functionality for single system as well as multiple system applications. Ideally suited for simulation, data acquisition and industrial control solutions, the RCIM includes a synchronized clock, eight programmable real-time clocks, and twelve input or output external interrupt lines. The RCIM mounts in a standard iHawk PCIe slot and is fully supported by Concurrent’s RedHawk™ Linux® real-time operating system.

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RCIM IV

Specifications

Synchronized Clock

Length64 bits (two 32-bit words)
Resolution

High-order 32 bits – 1 second

Low-order 32 bits – 400 nanoseconds

Accuracy±1 PPM
Stability±100 PPB
OXCO Frequency Stability Option±10 PPB

Real-Time Clocks

Number8
Length32 bit
Resolution1 microsecond (programmable to larger values)
Accuracy±1 PPM

Interrupts

External Interrupts

12 External edge-triggered input or output 3.3V or 5V TTL signals

Standard DB-26 connectors

Switchable 100 Ohm termination

Distributed Interrupts

12 Input

12 Output

Interrupt Response TimeInterrupt to user process: <8 microseconds

GPS Antenna

Options

GPS-only

Multi-GNSS (supports GPS, GLONASS, Galileo and Beidou)

IRIG Interface

FormatIRIG-B 024 or 124 AM or DCLS
Input Specifications

AM 1 to 10V peak-to-peak (auto ranging)

AM 1KHz 2:1 to 6:1 ratio

AM 4K ohm load AC coupled

DCLS 3.3/5V TTL >2V high <0.8V low

DCLS 100 ohm switchable termination

Output Specifications

AM 2.5, 5 or 8V peak-to-peak (selectable) into 50 ohms

AM 1KHz at 3:1 ratio

AM Accuracy ±10 microseconds

DCLS 0.5V Vol (max) and 2V Voh (min) into 100 ohms

DCLS Accuracy ±1 microsecond

DCLS Up to twelve outputs

Reference offset adjust range 0 to -65 microseconds (400nS resolution)

Packaging

Form FactorFHHL
PerformancePCIe 1.0 x1
Maximum cable length between RCIMs>100 feet

Power Requirements

Power RequirementsApproximately 25 Watts
Details12VDC @ 2 Amp

Environmental

Operating Temperature10° to 40° C
Storage Temperature-40° to 65° C
Relative Humidity10 to 80% non-condensing
Max power consumption20W
OtherROHS Compliant

Ordering Information

RCIM IV Real-Time Clock & Interrupt ModuleCPRC4-4
RCIM IV w/GPS OptionCPRC4-4GPS
RCIM IV w/GPS and IRIG OptionsCPRC4-4GPS-IRG
RCIM IV w/GPS and Oscillator OptionsCPRC4-4GPS-PPM
RCIM IV w/GPS, IRIG and Oscillator OptionsCPRC4-4GPS-PPM-IRIG
RCIM IV w/IRIG OptionCPRC4-4IRG
RCIM IV w/Oscillator OptionCPRC4-4PPM
RCIM IV w/Oscillator and IRIG OptionsCPRC4-4PPM-IRG
RCIM IV Interface AssemblyCX-DB26-4
RCIM IV Interface Assembly with DIN MountingCX-DB26-DIN-4
RCIM IV IRIG Breakout cableHS002-4CBL-IRG
RCIM Optical Synchronization CablesHS002-3CBL-x

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