GE IS200VAICH1D Mark VI VME Analog Input/Output Module
Manufacturer: GE Fanuc
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Part Number: IS200VAICH1D
Condition：New with Original Package
Product Type: Analog Input/Output Modules
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
GE IS200VAICH1D Mark VI VME Analog Input/Output Module
The GE IS200VAICH1D, also cataloged as the IS200VAICH1 VME Analog Input/Output Module, operates as a dedicated hardware component for high-accuracy analog signal conditioning within GE Speedtronic Mark VI platforms. The hardware processes multi-channel analog process parameters, executing signal filtering, scaling, and isolation conditioning prior to analog-to-digital conversion execution via the associated I/O pack interface.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IS200VAICH1D |
| Brand | GE |
| Origin | USA |
| Weight | 0.4 kg |
| Dimensions | 30 cm x 18 cm x 3 cm |
| Operating Temp | -40 to +70 deg C |
| Power Consumption | Provided through Mark VI backplane |
| Input Types | 4-20 mA, +/-5 V, +/-10 V, RTD inputs |
| Number of Channels | 16 analog input channels |
| Input Impedance | 250 ohm burden for current inputs; high-impedance voltage |
| Isolation | Channel-to-system and channel-to-channel isolation |
| Communication | Ethernet 100 Mbps via associated I/O pack |
| Certifications | IEC/EN industrial compliance |
Backplane Bus Communication and Deterministic Scaling
The board interfaces directly with the system backbone, supporting hot-swappable I/O pack architectures that handle the primary digitization process. It enables deterministic data distribution paths across the internal communication network via the attached 100 Mbps Ethernet link. This configuration enforces exact I/O density scaling and clock synchronization across the turbine control rack, ensuring all 16 channels execute analog-to-digital conversions in lockstep with the master processor firmware cycle.
Frequently Asked Questions
Q: What are the isolation boundaries established on the 16 analog input circuits?
A: The board incorporates galvanic components to enforce channel-to-channel and channel-to-system isolation. This hardware topology blocks field-side ground loops and high common-mode voltage spikes from corrupting neighboring registers or disrupting backplane bus communications.
Q: How does the hardware handle input impedance tracking for 4-20 mA current loops?
A: The circuit places a internal 250 ohm burden resistor across the active current loop terminals. This configuration converts the current loop input into a regulated voltage drop for the low-pass noise filtering stages prior to the digitizing phase.
Field Installation Guidelines
- Module Insertion and Backplane Alignment: Slide the VME board into its designated slot tracks within the Mark VI rack assembly. Push the module completely backward until the dual pin connectors fully seat into the active backplane sockets, then lock the mechanical retaining screws.
- Shield Grounding and Signal Separation: Terminate all analog transmitter twisted-pair shields at the dedicated ground bar inside the terminal board terminal strip. Route all low-level signal lines away from heavy three-phase AC power cables or electric valve actuator lines to minimize noise induction.
- Terminal Board Interconnection Verification: Check the ribbon cable attachments linking the board to the designated external terminal boards (TBCI, TBCA, or TRLY). Confirm all physical locking clips are locked to preserve the signal path integrity and analog scaling characteristics.