Description
Product Overview
The HIMA X-AI3201 (also written X-AI 32 01) is a high-density analog input module for HIMA HIMax safety instrumented system (SIS). This 32-channel safety-rated AI module acquires 4–20mA analog signals from field transmitters, with independent short-circuit protected transmitter power supply for every channel. It adopts 1oo2 dual internal measurement architecture, TÜV certified up to SIL 3 for ESD, F&G and safety interlock applications in oil & gas, chemical, power generation and LNG plants. It plugs into HIMax baseplate and communicates with safety CPU via redundant system bus.
Technical Specifications
| Item | Parameter |
|---|---|
| Part Number | X-AI3201 (X-AI 32 01) |
| Manufacturer | HIMA Paul Hildebrandt GmbH, Germany |
| Series | HIMax Safety SIS |
| Product Type | 32 Channel Analog Input Module |
| Input Signal | 0/4–20 mA, measuring range 0~22.5mA |
| Resolution | 12-bit |
| Transmitter Supply | 26.5 VDC, max 30mA per channel, short-circuit protected |
| Sampling Time | 2 ms |
| Accuracy | ±0.15% full scale over full temperature range |
| Safety Certification | TÜV SIL 3 (IEC 61508) |
| Isolation | Galvanic isolation between field side and system bus |
| Backplane Communication | Redundant HIMax system bus |
| Power Supply | 24 VDC ±10% |
| Module Current | 0.5A ~1.5A |
| Form Factor | HIMax standard plug-in module for baseplate |
| Dimensions | 310(L) ×29(W) ×230(H) mm |
| Weight | ~1.4 kg |
| Protection Class | IP20 |
| Operating Temp | -10°C ~ +70°C |
| Storage Temp | -40°C ~ +85°C |
| Humidity | 5–95% non-condensing |
| Configuration Software | SILworX |
| Hot Swap | Yes |
Key Features
- 32 independent analog current input channels for 2-wire /3-wire 4-20mA safety transmitters, high density design saves cabinet space.
- Built-in dedicated transmitter power supply on each channel with short-circuit protection.
- 1oo2 dual internal measurement circuit, continuous cross-checking of measured values for safety integrity.
- Full channel diagnostics: wire break, short circuit, transmitter supply fault and module hardware failure detection.
- Redundant system bus communication to HIMax safety CPU; seamless integration with HIMax SIS platform.
- TÜV SIL3 certified, suitable for Emergency Shutdown (ESD), Fire & Gas (F&G) and safety interlock loops.
- Hot-swappable module, can be replaced online without shutting down the whole HIMax safety rack.
- Configuration, diagnostics and firmware download via SILworX engineering software.
Installation Notes
- Install the X-AI3201 module into standard HIMax baseplate, confirm hardware revision and firmware compatibility with existing HIMax CPU.
- Separate field 4-20mA signal cables from high-voltage power wiring to avoid EMI interference.
- Use ESD wrist strap during handling; the module contains sensitive safety electronics.
- Follow plant lockout/tagout procedures even during hot-swap maintenance of SIS modules.
- Backup the SILworX safety project before module replacement.
- After installation, perform channel loop test and safety proof test before returning SIS system online.
- Route field transmitter wiring according to HIMA safety wiring specifications.
Testing Procedure
- Visual inspection: Check module housing, connector pins and front LED indicators for physical damage or corrosion.
- Insert X-AI3201 into HIMax baseplate, apply 24VDC rack power and run power-up self-test.
- Connect precision 4-20mA signal simulator to each input channel.
- Inject 4mA, 12mA, 20mA signals, verify reading accuracy inside SILworX software.
- Simulate wire open and short circuit faults to confirm module diagnostic alarms activate.
- Verify 1oo2 cross-comparison function and channel fault reporting.
- Save SILworX project backup, record calibration data and tag module for spare inventory.
FAQ
Q: What is HIMA X-AI3201 used for? A: It is a 32-channel SIL3 analog input module for HIMax SIS system, collecting 4–20mA signals from safety transmitters for ESD and F&G safety loops.
Q: What safety level is X-AI3201 certified to? A: TÜV certified SIL3 under IEC 61508.
Q: Is X-AI3201 hot swappable? A: Yes, it supports hot swap on HIMax baseplate under approved safety maintenance procedures.
Q: What software configures X-AI3201? A: SILworX engineering software for configuration, diagnostics and firmware upgrade.
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