Jaquet FTK 3073 high-performance communications module
The Jaquet FTK 3073 (Part Number: 377Z-04012) is a high-performance communications module designed specifically for the Jaquet FT 3000 Multi-Channel Overspeed Protection System. Positioned as an advanced upgrade within the product platform, it enables seamless remote configuration, diagnostics, and high-speed data transmission between the protection rack and a plant-wide distributed control system (DCS) or PLC network.
1. Product Introduction / Overview
The Jaquet FTK 3073 acts as the dedicated communication interface slot card for the modular FT 3000 safety system. Unlike standard serial-only modules, the FTK 3073 features integrated industrial-grade processing power to handle concurrent communication queries without adding latency to the system’s safety trip loops.
It provides localized diagnostic routing, system event log retrieval, and acts as the secure physical gateway for parameter modification using the FT 3000 PC software.
Technical Table
| Feature / Parameter | Specification |
| Model Type | FTK 3073 |
| Part Number (P/N) | 377Z-04012 |
| Primary System Compatibility | Jaquet FT 3000 / FT 3000 Rack Systems |
| Internal Bus Interface | High-speed parallel rack backplane connector |
| External Communications | RS-232, RS-485, and Profibus-DP Options |
| Max Network Nodes | Up to 31 active nodes per RS-485 segment without repeaters |
| Galvanic Isolation | 500 VDC continuous isolation between communication ports and system bus |
| Input Supply Voltage | Powered internally via the FT 3000 rack backplane (5 VDC / 24 VDC rails) |
| Max Power Consumption | Less than 3.5 Watts |
| Front Panel Diagnostics | LED indicators (Power, Status, TX/RX, Fault) |
3. Environmental Tolerance Conditions
To maintain reliable overspeed protection in severe industrial environments (such as power generation and gas compression facilities), the FTK 3073 is engineered to the following specifications:
Operating Temperature: 0°C to +60°C (+32°F to +140°F)
Storage Temperature: -25°C to +85°C (-13°F to +185°F)
Relative Humidity: 75% annual average, up to 90% peak non-condensing over short intervals (conforming to DIN 40040 class F)
Ingress Protection (IP): IP20 (designed for installation inside sealed subracks and protection cabinets)
Electromagnetic Compatibility (EMC): EN 50081-2 (Emission) and EN 50082-2 (Immunity) standards for harsh electromagnetic surroundings
4. Operating Instructions
Connecting to the Module
For local configuration, connect a standard null-modem serial cable to the front-panel RS-232 port of the module.
For network integration (DCS/PLC), utilize the rear-backplane RS-485 or Profibus interfaces.
Configuring Parameters
Open the Jaquet FT 3000 Windows Configuration Software on your PC.
Select the correct COM port and configure the matching baud rate (standard default is 9600 bps or 19200 bps).
Establish communication. Once online, parameter changes (such as overspeed limits, relay delay times, and sensor parameters) can be loaded to the card and then written directly into the non-volatile memory of the individual channel modules (e.g., FTFU 3024).
5. Fault Diagnosis
The FTK 3073 front panel features dedicated LEDs for rapid diagnostic assessments:
PWR (Green):
On: Power supply from the backplane is stable.
Off: Faulty rack power supply, defective backplane connection, or internal card fuse blown.
TX/RX (Yellow):
Flashing: Active data communication is taking place.
Solid Off: No data is being sent or received. Verify your communication cables, software node configurations, and baud rates.
ERR / FAULT (Red):
On: Hardware error on the FTK 3073 card, or a communication timeout with the measurement modules on the internal rack bus.
Flashing: Parameter mismatch or checksum error detected. Recalibrate/re-upload configuration settings via the PC software.
6. Related Models of the Same Series
The FTK 3073 forms part of a cohesive family of modular plug-in cards for the FT 3000 overspeed protection system:
FTK 3072 (P/N 377Z-03986): Standard serial interface module (RS-232 / RS-485 Modbus RTU).
FTFU 3024 (P/N 377Z-03981): Universal frequency/measurement channel card.
FTV 3090 (P/N 377Z-03985): Auxiliary 4-relay voter card.
FTW 3013 (P/N 377Z-03983): Isolated 0/4–20 mA analog output extension card.
7. Storage Conditions
If the FTK 3073 is kept as a critical spare part, adhere to these storage guidelines:
Keep the module sealed inside its original anti-static (ESD) protective bag until deployment.
Store in a dust-free, dry environment with a temperature range maintained between -25°C and +85°C.
Avoid exposure to corrosive gas concentrations or sudden temperature shifts that could cause condensation to form on the surface of the printed circuit board (PCB)