GE VMIVME-2536
1. Core Architecture
- Form Factor: 6U VMEbus single-slot Eurocard (233.4 mm × 160 mm × 20.3 mm) .
- I/O Channels:
- 32 optically isolated digital inputs (configurable as voltage/contact sensing).
- 32 optically isolated digital outputs (open-collector, 300 mA sink current) .
- Isolation:
- System Isolation: 1,000V sustained to VME backplane; 3,500V transient for 1 second .
- Channel-to-Channel Isolation: 500V sustained .
- Power Requirements: +5VDC ±5% at 2.65A .
Detailed content
2. Electrical Characteristics
- Input Specifications:
- Voltage Ranges: Selectable per byte boundary: 5V, 12V, 24–28V, 48V, or 125V DC (voltage sensing only) .
- Input Impedance: ≥10 MΩ .
- Debounce: Programmable (0–16.384 ms) .
- Output Specifications:
- Max Output Voltage: 50V DC .
- Leakage Current: ≤500 μA at 50V .
- Pull-Up Resistors: Configurable via jumpers (external or VME +5V) .
3. Data Handling & Addressing
- Data Transfer: 8/16/32-bit modes .
- Addressing Schemes: A16 (short I/O) or A24 (standard) .
- Control Registers:
- CSR (Control/Status Register): Manages built-in test (BIT), debounce, and test modes .
Functional Features
1. Built-in Test (BIT)
- Online/Offline Testing:
- Inputs/outputs can be switched to test mode via CSR, enabling self-diagnosis without affecting field operations .
- Test registers mirror input/output addresses for direct read/write validation .
- Fault Tolerance: Automatic isolation during faults; watchdog timer support .
2. Optical Isolation & Safety
- High-Noise Immunity: Optocouplers eliminate ground loops in industrial environments .
- Compliance: CE Mark, RoHS, CISPR 22 EMC .
3. Configuration Flexibility
- Byte-Level Customization: Input sensing mode (voltage/contact) and output pull-up voltage configurable per 8-channel group .
- Contact Sensing: Requires user-installed SIP resistors; supports 5–125V DC .
4. Environmental Resilience
- Operating Temperature: 0°C to +60°C (storage: -55°C to +85°C) .
- Humidity Tolerance: 20–80% non-condensing .
- MTBF: 463,909 hours (Bellcore standard) .
Application Scenarios
Domain | Use Cases | Key Capability Utilized |
---|---|---|
Industrial Automation | PLC-based control in rolling mills, robotic assembly lines | 32-channel I/O; 1ms debounce for sensor signals |
Power Generation | Turbine control systems (e.g., GE gas turbines) | 1kV isolation; contact sensing for safety interlocks |
Critical Infrastructure | Nuclear plant monitoring, rail signaling | BIT for fault detection; wide voltage input (5–125V) |
Defense Systems | Military simulators, avionics testing | Optical isolation for EMI resilience; -40°C operation (industrial variants) |
Technical Differentiation
Parameter | VMIVME-2536 | Typical Industrial I/O Boards |
---|---|---|
Isolation Voltage | 1,000V sustained | ≤250V |
Debounce Precision | Programmable (0–16.384 ms) | Fixed or limited range |
Channel Density | 64 channels (32 in/32 out) | ≤32 channels |
Configuration | Per-byte boundary settings | Global channel grouping |
Ordering & Variants
- Model Suffix Decoding:
- A = Input voltage range (e.g.,
2
= 24–28V) . - C = CE compliance (
0
: Non-CE;1
: CE-compliant) .
- A = Input voltage range (e.g.,
- Industrial Variants: Extended temperature range (-40°C to +85°C) available .
Integration Ecosystem
- Software Support: VxWorks, QNX, Linux RT .
- Compatible Hardware: GE VMIPMC-5579 I/O modules; VME64x/VME320 backplanes .
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