GE IS200VRTDH1B IS200VRTDH1BBA VME RTD Module

The GE IS200VRTDH1B module measures temperature using platinum RTD sensors. This VME RTD module also carries the revision code IS200VRTDH1BBA . It accepts Pt100 inputs for bearing and winding monitoring. The module provides high-accuracy temperature data for turbine protection systems.

Technical Specifications of GE IS200VRTDH1B IS200VRTDH1BBA

Parameter	Specification
Manufacturer	General Electric (GE)
Series	Mark VI Speedtronic
Full Model	GE IS200VRTDH1B (IS200VRTDH1BBA)
Board Dimensions	26.04 cm x 2.54 cm x 18.73 cm
Weight	Approximately 0.33 kg
RTD Input Channels	8 (Differential)
Sensor Type	Pt100 (3-wire or 4-wire)
Resolution	24-bit (Typical)
Temperature Accuracy	±0.1°C
Measurement Range	-200°C to +850°C
Power Dissipation	5 W (Maximum)

Component Count and Board Construction

This GE IS200VRTDH1B board contains over 190 discrete components on its surface. You will find multiple precision current sources for RTD excitation. Furthermore, the board includes high-resolution delta-sigma converters for each channel. The assembly also features optical isolation between inputs and logic.

Interfaces, Energy Storage, and Signal Processing

The IS200VRTDH1BBA revision provides a front-face terminal block for RTD wiring. Moreover, the board uses capacitors for input filter networks. These capacitors store minimal energy but reject 50/60 Hz noise effectively. Each channel includes a dedicated analog-to-digital converter for simultaneous sampling.

Functional Logic and Application Context

This Mark VI board excites each RTD with a precision current source. It then measures the resulting voltage drop across the sensor. The GE IS200VRTDH1B calculates temperature using standardized Pt100 curves. Additionally, it compensates for lead resistance in 3-wire configurations. Consequently, the module delivers accurate temperature readings for critical machine protection.

Channel Configuration and Sensor Diagnostics

You can configure each channel for either 3-wire or 4-wire RTD connections. The board performs automatic lead resistance cancellation for 3-wire sensors. Furthermore, the IS200VRTDH1BBA includes open-sensor detection on all channels. This detection identifies broken RTD wires immediately. The board also features short-circuit detection for sensor fault isolation.

Installation and Environmental Limits

You must power down the VME rack before inserting this RTD module. The operating temperature range spans 0°C to 60°C . Furthermore, the board provides 1500 V isolation between inputs and logic. Always verify the IS200VRTDH1BBA wiring matches your RTD configuration.