GE Mark VIeS - YVIB Specifications; YVIB Supported Sensor Inputs

The following table displays the available sensor types per channel for YVIBS1B.
YVIB Supported Sensor Inputs
Sensor Type Typical Application
YVIB Channel
YVIBS1A YVIBS1B
Accelerometer
Aero-derivative gas turbines
1 - 8 1 - 8
Dynamic pressure probe Land-Marine (LM) and Heavy-duty gas turbines (HDGT)
N/A 1 - 8
Proximitors* (Vibration)
Radial or axial measurements of turbine-driven generators,
compressors, and pumps.
1 - 8 1 - 8
Velomitor*
Structural Vibration (mounted to case)
1 - 8 1 - 8
Pedestal or slot-type Keyphasor Rotor velocity and phase measurements
13
12, 13
Seismics
Structural Vibration (mounted to case)
1 - 8 1 - 8
Proximitors (Position)
Axial measurements 1-13 1-13
8.2.2 YVIB Specifications
Item
YVIB Specification
Orderable Part Numbers
Contact your nearest GE sales or service office, or an authorized GE sales representative.
Number of Channels
13 sensor inputs are supported. Refer to the table YVIB Supported Sensor Inputs.
Buffered Outputs
Amplitude accuracy is 0.1 % for signal to Bently Nevada* 3500 system
A -11 V dc ±5% bias is added to output when a seismic probe used
Sinks a minimum of 3 mA when interfacing a velomitor
Accuracy Refer to the tables Accuracy Vibration Inputs and Accuracy Position Inputs
Functional Safety
Vibration functions shall be low and high demand SIL 3 capable when deployed with HFT=1. (1oo2 and
2oo3 architectures).
Refer to the Mark VIeS Control General Market Functional Safety Manual (GEH-6860) for safety
instructions.
Probe Power
-24 V dc from the -28 V dc bus
Each probe supply is current limited with 12 mA load per transducer
Probe Signal Resolution Minimum of 14-bit resolution for full scale ranges defined
Open Circuit Detection
Open circuit is defined as a gap voltage that is
> 1.0 V for Proximity, Accelerometer, Keyphasor, and CDM BN at terminals
> -1.0 V for Velomitor at terminals
< -1.0 V for CDM PCB at terminals
< -3.0 V for Seismic at terminals
Common Mode Voltage
Minimum of 5 V dc
CMRR at 50/60 Hz -50 dB
Size
8.26 high x 4.19 wide x 12.1 deep cm (3.25 x 1.65 x 4.78 in)
Technology
Surface-mount
Ambient rating for enclosure
design
-40 to 70°C (-40 to 158 °F)
Note For further details, refer to the Mark VIeS Functional Safety Vibration Input Module Summary Sheet (GEI-100864).
230 GEH-6855_Vol_II GEH-6855_Vol_II Mark VIeS Functional Safety Systems Volume II
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