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Phone: +86 16626708626Description
In sprawling water utilities linking remote pump stations or energy plants polling substations over miles of cabling, the GE IC695CMM004-BF bridges gaps that legacy links can’t touch. Think of a wastewater network where Modbus RTU commands must snake through noisy RS-485 daisy chains to VFDs without dropping packets, or solar farms syncing DNP3 data from inverters amid EMI from inverters. These setups grind to halts if serial comms falter—lost polls mean blind control, spiking outages. The GE IC695CMM004-BF anchors industrial automation here, plugging four isolated RJ-45 ports into PACSystems RX3i racks to handle Modbus master/slave, DNP3, or raw serial I/O without CPU overload. In manufacturing, it drives protocol converters for legacy gear; in oilfields, it queries RTUs for flow totals. Operators assign ports independently—RS-232 for point-to-point meters, 485 for multi-drop fans—scaling baud from 1200 to 115K while handshaking dodges collisions. Why it rules control systems? Backplane diagnostics stream port faults to %I points every sweep, letting HMIs flag timeouts instantly. From rail signaling hubs to pharma cleanrooms tying barcode scanners, this module turns fragmented serial webs into unified command layers, ensuring data flows when stakes are highest.
Communications Backbone
The GE IC695CMM004-BF acts as a four-port Serial Communications Module for Emerson PACSystems RX3i controllers, delivering isolated RS-232/RS-422/485 links in a single-slot footprint for high-connectivity racks. Each port configures solo via Proficy Logic Developer—Modbus for PLC talks, DNP3 for utilities, CCM slave for GE protocols, or serial I/O for custom streams—snapping into universal backplanes with CPE CPUs like the 400 series. Up to six stack in one rack, drawing minimal power while isolating port-to-port at 500VDC continuous.
Integrators favor it for offloading serial chores: hardware RTS/CTS or XON/XOFF manages flow, parity/data/stop bits flex for oddball devices, and status LEDs (OK, Port Fault, per-port) pinpoint issues fast. In Ethernet-wired plants, it extends reach to field gadgets like power meters or gateways, reporting buffer overruns or config mismatches to the CPU. Firmware up to 1.34 supports baud jumps without recabling, making the GE IC695CMM004-BF ideal for migrations blending old RTUs with modern PACs
Operational Advantages
Techs managing distributed SCADA swear by the GE IC695CMM004-BF for port independence—run full-duplex 422 on one for VFD panels, half-duplex 485 multidrop on another for sensors, all without crosstalk thanks to 500VDC barriers and -55dB rejection. LEDs blink faults precisely: single for watchdogs, doubles for RAM woes, speeding solo fixes in remote cabinets. Baud agility from 1200-115.2K matches finicky drives, while Zin over 96kΩ on 485 ensures long runs.
Rugged single-slot design with RJ-45s simplifies swaps—0.7A at 3.3V, 0.15A at 5V keeps PSUs happy in dense racks. Passive cooling laughs off 0-60°C swings, 30g shocks for offshore mounts. Diagnostics log semaphores and heartbeats, preempting CPU hangs.
Endurance? EEPROM configs survive brownouts, and self-tests on boot catch flash fails early. In 24/7 grids or factories, it logs years linking stubborn legacy without babysitting. The GE IC695CMM004-BF builds networks that just work.
- IC695CMM004-BF
Technical Specifications
| Parameter | Value |
|---|---|
| Model | GE IC695CMM004-BF |
| Brand | GE Emerson (PACSystems) |
| Type | 4-Port Serial Communications Module |
| Power Supply | 3.3 VDC (0.7A max), 5 VDC (0.15A max) |
| Operating Temperature | 0 to 60 degrees Celsius |
| Mounting | RX3i Universal Backplane Slot |
| Dimensions | 5.5″ H x 1.1″ W x 5.9″ D (single-slot) |
| Weight | Approximately 0.7 lbs |
| Interfaces | 4x RJ-45 (RS-232/RS-422/485) |
| Certifications | CE, UL/cUL 508, ATEX |
| Cooling | Passive (convection) |
| Environmental Rating | IP20, vibration/shock resistant |
| Isolation | Port-to-port 500VDC cont., 710VDC 1 min |
Compatible Modules
IC695CPE400 – High-resilience CPU for multi-port serial polling in RX3i cores.
IC695CMM002 – Dual-port version for lighter comms in compact racks.
IC695NIC002 – Ethernet pair to gateway CMM serial over TCP/IP networks.
IC695PWR040 – Standard PSU handling multiple CMM power draws steadily.
IC695DCM100 – Digital contact mux expanding I/O alongside serial links.
IC695ACC003 – RJ-45 adapter cables for custom Modbus pinouts.
IC695HSC012 – Counter module syncing serial data with pulse inputs.
Setup and Care
Install the GE IC695CMM004-BF mid-rack to balance EMI, latching firmly into backplane slots post-CPU; wire RJ-45s with shielded cat5 for 485 runs over 1000m, terminating bias resistors at ends to kill reflections. Configure ports in Proficy as Modbus masters first—test loops at 9600 baud with null modems before live drops. In HazLoc, de-energize fully before plugs; group RS-232 near office ties, 485 toward fields.
Bi-monthly, chase Port Fault blinks via %I (e.g., seven for heartbeat drops) and reseat cables in dusty vaults—avoid solvents on contacts. Firmware flashes via backplane during shutdowns; archive port maps retentively. Buffer clears on command cut junk polls. This keeps the GE IC695CMM004-BF chatting reliably across seasons.
