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The GE VMIVME1150 (also known as VMIVME-1150) is a high-reliability 64-bit Optically Coupled Digital Input Board designed for the VMEbus architecture. Manufactured by GE Fanuc / VMIC / Abaco Systems, the GE VMIVME1150 provides 64 isolated digital inputs with excellent noise immunity and high isolation, making it ideal for industrial automation, process control, turbine auxiliary systems, and other harsh environments in GE Speedtronic and VME-based control applications.

The GE VMIVME1150 accepts input voltages from 5 V to 48 V DC and supports voltage sourcing, current sinking, or contact closure sensing. Its robust optical isolation (1,000 V sustained, 7,500 V pulsed) protects the VMEbus from field transients. The GE VMIVME1150 is available with various filter options and polarity configurations, delivering flexible, low-cost, high-density digital input capability in a standard double-height 6U VME form factor.

Model,GE VMIVME1150 / VMIVME-1150

Module Type,64-bit Optically Coupled Digital Input Board

Digital Inputs,64 optically isolated inputs (8 ports × 8 bits)

Input Voltage Range,5 V to 48 V DC (configurable: 5V / 12V / 24V / 48V options)

Isolation,"1,000 V sustained, 7,500 V pulsed (1 second)"

Data Transfer,"8-bit or 16-bit (D8/D16), nonprivileged or supervisory I/O"

Input Types,"Voltage sourcing, current sinking, contact sense (positive/negative true)"

Filter Options,"None, 2 µs, 10 µs, or 5 ms"

Connectors,Two 64-pin DIN connectors (front panel)

Power Requirements,"+5 VDC @ 1.1 A typical, 2.2 A max"

Operating Temperature,"0°C to +55°C (operating), -40°C to +85°C (storage)"

Humidity,"20% to 80% RH, non-condensing"

Form Factor,6U VMEbus double height Eurocard (160 × 233.5 mm)

MTBF,"Approx. 139,000 hours"

Compatibility,"VMEbus systems, GE Mark VI / Mark VIe auxiliaries"

Operating the GE VMIVME1150 is straightforward within a VMEbus system:

Install the GE VMIVME1150 in a VME chassis slot and connect field inputs via the two DIN connectors.

Power up the VME rack and verify board recognition through system diagnostics or bus access.

Configure address switches on the GE VMIVME1150 for short I/O space (supervisory or nonprivileged).

Read input status by accessing the eight contiguous 8-bit registers via the VMEbus.

Monitor real-time digital input states (contact status, voltage levels) through the host controller or HMI.

During normal operation, the GE VMIVME1150 continuously provides isolated input data with high noise immunity.

In case of faults, check diagnostic LEDs (if present) or system logs for issues related to the GE VMIVME1150.

Proper installation ensures reliable performance of the GE VMIVME1150. Always de-energize the VME chassis and follow lockout/tagout procedures before insertion. Use ESD-safe practices when handling the board. Set the address DIP switches and polarity/filter jumpers according to the application before installation. Connect field wiring to the dual 64-pin DIN connectors with correct polarity and appropriate voltage range for the ordered configuration of the GE VMIVME1150. Ensure proper grounding and use shielded cables in noisy environments. After installing the GE VMIVME1150, perform input loop checks, verify optical isolation, and conduct full system diagnostics before commissioning. Only qualified technicians familiar with VMEbus systems should install or service the GE VMIVME1150.

Routine maintenance maximizes the service life of the GE VMIVME1150:

Visually inspect the GE VMIVME1150 for dust, loose connectors, or signs of overheating during scheduled outages.

Clean the board and connectors gently with dry compressed air — never use liquids or solvents.

Review VMEbus diagnostic logs daily for input status consistency and any communication errors related to the GE VMIVME1150.

Verify input voltages and contact signals remain within the configured 5–48 V DC range.

Check operating temperature stays between 0°C and +55°C.

Confirm all input channels respond correctly during periodic functional tests.

Record any anomalies and schedule professional inspection or replacement every 2–3 years (or per plant policy) to maintain the high reliability of the GE VMIVME1150.

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