Description
System Architecture & Operational Principle
The GE IC695ETM001 is a 2-port Ethernet interface module within the GE Fanuc PACSystems RX3i series, designed for Level 1 (Device) or Level 2 (Control) of the Purdue Model in industrial automation. It resides in control cabinets (mounted on an RX3i universal backplane) and serves as the backbone of Ethernet communication networks, connecting:
-
RX3i PLCs: Interfaces with RX3i CPUs (e.g., IC695CPE330) via the backplane to collect control logic and transmit field data.
-
External Devices: Connects to SCADA systems, HMIs, and third-party controllers (e.g., Siemens S7-1200) via Ethernet ports using standard protocols.
-
Legacy Systems: Integrates with older GE controllers (e.g., Series 90-30, VersaMax) via the RS-232 serial port for backward compatibility.
Upstream Communication
Receives control commands from the RX3i CPU via the backplane. The module uses a 200 MHz Ethernet processor to parse commands and prepare data for transmission to external devices.
Downstream Communication
Transmits field data (e.g., sensor readings, actuator statuses) to external systems via Ethernet ports. The module’s built-in Ethernet switch supports daisy-chaining of devices, reducing cable complexity.
Operational Advantages
-
High Speed: 10/100 Mbps auto-negotiation ensures optimal performance across legacy and modern networks.
-
Protocol Versatility: Supports Modbus TCP/IP (open standard), SRTP (GE’s proprietary protocol for real-time communication), and EGD (Ethernet Global Data for periodic data exchange), eliminating the need for additional gateways.
-
Hot-Swap Capability: Allows technicians to replace the module without shutting down the system, minimizing downtime during maintenance.
GE IC695ETM001
Core Technical Specifications
|
Attribute
|
Specification
|
|---|---|
|
Product Type
|
2-Port Ethernet Interface Module with RS-232 Serial Port
|
|
Part Number
|
IC695ETM001
|
|
Ethernet Ports
|
2×10/100Base-TX RJ-45 (auto-negotiating, full/half-duplex)
|
|
Serial Port
|
1×RS-232 (9-pin D-connector, 1200–115200 bps)
|
|
Supported Protocols
|
Modbus TCP/IP (Server/Client), SRTP, EGD, TCP/IP, ICMP, ARP
|
|
Ethernet Processor
|
200 MHz dedicated processor
|
|
Memory
|
Non-volatile flash (stores configuration data); 512 KB RAM (temporary data)
|
|
Power Supply
|
3.3V DC from RX3i backplane (300 mA max); 5V DC (200 mA max)
|
|
Operating Temperature
|
-40°C to +70°C (-40°F to 158°F)
|
|
Storage Temperature
|
-40°C to +85°C (-40°F to 185°F)
|
|
Humidity
|
5–95% non-condensing
|
|
Dimensions (W×H×D)
|
~120 mm × 100 mm × 35 mm (4.7 in × 3.9 in × 1.4 in) (approximate)
|
|
Weight
|
~0.5 kg (1.1 lbs)
|
|
Certifications
|
CE, UL, CSA, RCM (compliant with EU/US/Canadian/Australian standards)
|
Customer Value & Operational Benefits
Enhanced System Integration
The IC695ETM001’s support for multiple protocols (Modbus TCP/IP, SRTP, EGD) allows seamless integration with both GE and third-party devices. A manufacturing plant using the module reported a 30% reduction in integration time (from 6 weeks to 4 weeks) when connecting its RX3i PLC to a Siemens SCADA system.
Reduced Maintenance Costs
The module’s hot-swap design allows technicians to replace it in minutes without shutting down the system. A chemical plant using the IC695ETM001 cut maintenance downtime by 40% compared to traditional non-hot-swappable Ethernet modules.
Improved Network Reliability
The built-in Ethernet switch and auto-negotiation features reduce cable clutter and ensure reliable communication in harsh industrial environments. A power plant using the module reported a 25% reduction in network-related faults (e.g., cable failures, signal loss) due to the switch’s daisy-chaining capability.
Cost-Effective Scalability
The module’s compact design (120×100×35 mm) allows installation in crowded control cabinets, and its low power consumption (3.5W) reduces energy costs. A water treatment plant using the module saved $5,000 annually in energy costs compared to larger Ethernet modules.
Field Engineer’s Notes (From the Trenches)
When installing the IC695ETM001, always use shielded Ethernet cables—unshielded cables can pick up EMI from nearby motors or power lines, leading to data corruption. I once saw a site where a technician used unshielded cables, resulting in a 15% error rate in sensor data. Switching to shielded cables eliminated the problem immediately.Another gotcha: verify the firmware version—hot-swap capability requires firmware ≥2.51. I’ve fixed countless “hot-swap failed” errors by updating the firmware via GE’s WinLoader software.If the module’s “ETHERNET OK” LED is off, check the backplane power supply—the module requires 3.3V DC from the RX3i backplane. Use a multimeter to test the backplane voltage before replacing the module.GE IC695ETM001
Real-World Applications
-
Manufacturing Automation:An automotive manufacturing plant uses the IC695ETM001 to connect its RX3i PLC to a Siemens SCADA system. The module’s Modbus TCP/IP protocol enables real-time monitoring of assembly line sensors, reducing product defects by 20%.
-
Chemical Processing:A chemical plant uses the IC695ETM001 to integrate its RX3i PLC with a legacy Series 90-30 controller via the RS-232 port. The module’s SRTP protocol ensures real-time data exchange, allowing the plant to maintain process control during upgrades.
-
Power Generation:A power plant uses the IC695ETM001 to connect its RX3i PLC to a ABB DCS. The module’s EGD protocol enables periodic data exchange (every 100 ms), ensuring reliable monitoring of turbine parameters.
High-Frequency Troubleshooting FAQ
Q: What does the “ETHERNET OK” LED indicate on the GE IC695ETM001?
A: The green “ETHERNET OK” LED indicates that the module is powered on and the Ethernet ports are functioning correctly. If it’s off, check the backplane power supply (3.3V DC) or the Ethernet cable connection.
Q: Can the IC695ETM001 be used with non-GE PLCs?
A: Yes, the module’s Modbus TCP/IP protocol makes it compatible with most third-party PLCs (e.g., Siemens S7-1200, Allen-Bradley CompactLogix). However, you may need to configure the PLC’s communication settings (e.g., IP address, subnet mask) to match the module’s requirements.
Q: How do I update the firmware on the IC695ETM001?
A: Use GE’s WinLoader software to update the firmware:
-
Download the Firmware: Get the latest firmware from GE’s official website.
-
Connect to the Module: Use a Ethernet cable to connect your PC to the IC695ETM001.
-
Launch WinLoader: Follow the software’s instructions to upload the firmware to the module.
-
Verify the Update: Check the module’s firmware version via the WinLoader software.
Q: Why is the IC695ETM001’s communication slow?
A: Check three things first:
-
Baud Rate: Ensure the Ethernet port’s baud rate (10/100 Mbps) matches the external device’s baud rate.
-
Cable Length: Ethernet cables longer than 100 meters can cause signal degradation—use fiber optic cables for longer distances.
-
EMI: Ensure the module is installed in a metal cabinet to reduce EMI from nearby devices.
Commercial Availability & Pricing
Please note: The listed price is not the actual final price. It is for reference only and is subject to appropriate negotiation based on current market conditions, quantity, and availability.
