The GE Fanuc IC698RMX016, also cataloged as the IC698RMX016 Communication Module, operates as a dedicated hardware component for reflective memory synchronization and partner CPU data linking within PACSystem RX7i platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IC698RMX016 |
| Brand | GE Fanuc / Emerson |
| Origin | USA / As specified on label |
| Weight | 1.31 lbs (0.60 kg) |
| Dimensions | 6.299 in (W) x 9.187 in (H) [160 mm x 233.3 mm] |
| Operating Temp | -20 to 85 deg C |
| Power Consumption | 1.8 A @ 5 VDC from backplane power supply |
| Onboard Memory | 16 MB SDRAM |
| Optical Interface | LC Type Fiber Connector (conforms to IEC 61754-20) |
| Connector Material | Zirconium Ceramic Ferrule |
| Insertion Loss | 0.35 dB maximum |
| Return Loss | -30 dB maximum |
| Data Packet Size | Dynamic, automatically controlled by Memory Xchange module |
Backplane Bus Communication Velocity and Firmware Flash Compatibility
The IC698RMX016 transfers deterministic state tables across a high-speed reflective memory link using 16 MB of onboard SDRAM. Upon system startup, the unit initializes in an unconfigured state until the host RX7i CPU transmits hardware parameters across the VME backplane. The module optimizes backplane bus communication velocity by handling dynamic packet transfers directly through hardware without CPU interrupt overhead. Built-in firmware flash compatibility allows continuous parameter verification for Node ID, network memory offsets, and redundancy transfer modes.
Frequently Asked Questions
Q: What power draw does the IC698RMX016 place on the RX7i backplane bus? A: The IC698RMX016 requires a constant power input of 1.8 A from the +5 VDC backplane supply rail.
Q: How is the IC698RMX016 configured for redundant CPU operational mode? A: In redundant CPU operations, parameters such as Node ID, Redundant Transfer Mode, and Network Memory Offset are automatically assigned by the partner host CPU and cannot be altered manually.
Field Installation Guidelines
- Isolate system power before inserting or removing the IC698RMX016 module from the RX7i main rack; installation into Slot 3 or 4 is recommended to enable priority interrupt handling.
- Tighten top and bottom panel mounting screws securely to establish chassis ground continuity and prevent vibration damage.
- Inspect LC fiber optic cable connectors for clean ferrules before mating with the optical interface to ensure insertion loss remains within the 0.35 dB threshold.
- Observe minimum fiber optic cable bend radii within wire management ducting to avoid optical signal degradation or physical core stress.
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