Product Short Description
Product Overview: The GE C-RS-401-00-0 is a versatile industrial device with two distinct identified applications. Primarily, it is a pair of high-performance clamp-on ultrasonic flow transducers from GE Panametrics, designed for high-precision flow measurement. It is also identified as a high-performance relay driver output module integral to GE’s (now Emerson’s) Mark VIe and Mark VIeS distributed control and protection systems for gas and steam turbines.
Description
Technical Specifications (Flow Transducer Configuration):
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Manufacturer: GE Panametrics
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Type: Clamp-on ultrasonic flow transducers (pair)
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Frequency: 0.5 MHz
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Operating Temperature: -40°C to +150°C (-40°F to 302°F)
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Hazardous Area Certification: X-Proof: Class 1, Div 1, Groups B, C, D; Flameproof: II 2 G EEx d IIC T6
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NEMA Rating: NEMA 4
Technical Specifications (Relay Driver Module Configuration):
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Interface: 1× RS-485 port (half-duplex, overload protected)
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Protocol: Modbus RTU (master/slave mode, configurable)
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Voltage Rating: 1500 V RMS
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Mounting: DIN rail mounting system
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Dimensions: 160 mm × 120 mm × 50 mm
Functional Features (Flow Transducer):
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Non-contact clamp-on installation eliminates process intrusion
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High-precision flow measurement for multiple liquids and gases
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Broad compatibility with GE Panametrics ultrasonic flow meters
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Hazardous area certified for use in explosive atmospheres
Functional Features (Relay Driver):
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High-performance relay driver output for turbine control and protection systems
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Modbus RTU communication for integration with control networks
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DIN rail mounting for simplified panel integration
Material Composition: Robust industrial-grade materials suitable for hazardous area deployment (flow transducer configuration).
Structural Features: Clamp-on design for non-invasive installation on pipes (flow transducer). DIN rail mountable enclosure (relay driver module).
Working Principle (Flow Transducer): The clamp-on transducers emit ultrasonic signals through the pipe wall into the flowing fluid. The transit-time difference between upstream and downstream measurements is used to calculate flow velocity with high accuracy, without contacting the process fluid.
Working Principle (Relay Driver): The module receives control signals via Modbus RTU over RS-485 and drives high-voltage relay outputs (1500 V RMS rating) for turbine protection and control functions within Mark VIe systems.
Advantages and Highlights:
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Non-invasive clamp-on installation eliminates process downtime (flow transducer)
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Hazardous area certified for Class 1, Div 1, Groups B, C, D (flow transducer)
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Wide temperature range: -40°C to +150°C (flow transducer)
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High-voltage 1500 V RMS relay driver capability (relay driver module)
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Modbus RTU communication for system integration (relay driver module)
Applicable Industries:
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Process Industry Measurement (flow transducer)
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Oil and Gas (flow transducer)
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Power Generation (turbine control systems – relay driver module)
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Chemical Processing (flow measurement)
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Water and Wastewater (flow measurement)
Model Series: GE Panametrics Flow Measurement Series; GE Mark VIe Control System Series
Installation Requirements (Flow Transducer):
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Clamp-on mounting on appropriate pipe diameter
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Requires compatible GE Panametrics ultrasonic flow meter for operation
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Hazardous area installation requires appropriate junction box
Installation Requirements (Relay Driver Module):
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DIN rail mounting in control panel
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Requires compatible Mark VIe or Mark VIeS system backplane
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RS-485 network connection for Modbus RTU communication
Usage Precautions:
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Verify correct application configuration (flow transducer vs. relay driver module)
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For flow transducer: ensure proper pipe preparation and coupling for accurate measurement
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For relay driver module: observe voltage ratings (1500 V RMS maximum)
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Follow hazardous area installation requirements where applicable





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