The General Electric 4199J51-G01, also cataloged as the 4199J51 Standard Summer Board, operates as a dedicated hardware component for multi-channel analog signal summation and voltage control signal scaling within GE Speedtronic control platforms.
Hardware Specifications
Parameter
Specification
Model
4199J51-G01
Brand
General Electric (GE)
Origin
USA
Weight
0.40 kg
Dimensions
210 mm x 120 mm x 20 mm
Operating Temp
0 to 60 deg C
Power Consumption
5 W nominal
Board Type
Standard Summer Board / Power Control Circuit Board
Signal Processing
Multi-channel Analog Signal Summation
Target Application
GE Industrial Control Systems
Backplane Bus and Signal Summation Dynamics
The General Electric 4199J51-G01 module incorporates precision operational amplifier circuits and backplane bus filtering to execute real-time mathematical signal addition. Core performance traits include:
Analog Signal Summation: Combines multiple input voltage reference channels into a unified control demand output signal.
Backplane Bus Noise Attenuation: Integrates passive onboard filtering to prevent switching noise on the rack power bus from distorting analog summing loops.
Firmware and Rack Backplane Compatibility: Interoperates directly with standard GE Speedtronic card rack backplanes without requiring board modifications.
Frequently Asked Questions
Q: Does the 4199J51-G01 support live insertion into an energized card rack backplane?
A: No. Removing or inserting the board under active backplane power can introduce voltage transients on connected analog summing buses. Disconnect rack power before board replacement.
Q: How does a failure on the summer board affect downstream control loops?
A: A failure in the operational amplifier or reference voltage stage causes the output summing signal to drift off-scale, resulting in an incorrect demand signal to downstream control devices.
Field Installation Guidelines
Verify that backplane power is fully isolated before seating or unseating the board assembly.
Wear an ESD protective grounded wrist strap during board handling and installation.
Align the circuit board card edges with the enclosure slot guides and push firmly until the backplane edge connector engages completely.
Ensure field signal lines are wired using shielded twisted-pair cables with shield grounding completed at the main cabinet terminal strip.
