الوصف
产品名称
产品说明
产品参数
Parameter | VMIC+ASSY 12149 | ZT5524A1A |
---|---|---|
Isolation Voltage | 1 000 Vrms channel-to-ground, 500 Vrms channel-to-channel | 2 500 Vrms input-to-output |
Surge Withstand | IEC 61000-4-5 Level 4 (4 kV) | IEC 61000-4-4 Level 4 (2 kV EFT) |
Switching Element | Reinforced digital isolators (SiO₂) | 24 × SPST solid-state relays |
Load Rating | — | 30 VDC / 250 VAC, 0.2 A continuous, 1 A (100 ms surge) |
On Resistance | — | <0.5 Ω typical |
Turn-On/Turn-Off Time | <1 µs propagation delay | <10 µs |
Terminal Type | Pluggable screw-clamp 0.2–4 mm² (12 AWG) | Same |
LED Diagnostics | 8 fault/status LEDs | 24 SSR-status LEDs |
Power Supply | 5 V/0.3 A logic from VME or external 24 V | 5 V/0.8 A logic, 24 V/0.1 A field |
Mounting | Snap-fit DIN rail or 6U VME rear-panel bracket | Same |
Operating Temperature | –40 °C … +85 °C | –40 °C … +85 °C |
Certifications | CE, UL, ATEX Zone 2, RoHS | CE, UL, ATEX Zone 2, RoHS |
优势和特点
• Medical-Grade Isolation: Reinforced SiO₂ isolators inside VMIC+ASSY 12149 provide 1 000 Vrms continuous and 4 kV surge, surpassing IEC 60601-1.
• Ultra-Fast SSR Switching: ZT5524A1A delivers <10 µs on/off times—ideal for 2 kHz PWM heater control or laser modulation.
• Comprehensive Diagnostics: Every relay in ZT5524A1A and every isolated channel in VMIC+ASSY 12149 has its own bicolor LED for instant fault identification.
• Dual Power Options: VMIC+ASSY 12149 can be powered from the VME backplane or an external 24 V supply for fail-safe isolation.
• Wide-Gauge Terminals: Both modules accept stranded wire up to 12 AWG, reducing installation torque and vibration loosening.
应用领域应用案例
• Semiconductor Etch Tool: A 300 mm wafer fab uses ZT5524A1A to switch 24 heater zones at 2 kHz PWM, achieving ±0.1 °C temperature uniformity.
• Electric Vehicle Battery Test: A U.S. lab uses VMIC+ASSY 12149 plus ZT5524A1A to safely isolate 600 VDC battery-cycling relays controlled by a PACSystems PLC.
竞品对比
Feature | VMIC+ASSY 12149 + ZT5524A1A | NI PXI-2586 | Acromag 806T-1500 | GE IC693MDL940 |
---|---|---|---|---|
Isolation Voltage | 1 000 Vrms / 2 500 Vrms | 150 Vrms | 1 500 Vrms | 150 Vrms |
Surge Level | IEC 61000-4-5 Level 4 | IEC 61000-4-5 Level 2 | IEC 61000-4-5 Level 4 | IEC 61000-4-5 Level 1 |
Switching Speed | <10 µs (SSR) | <1 ms (reed) | <1 ms (EMR) | <10 ms (EMR) |
Channel Count | 24 SSR | 16 relay | 8 relay | 16 relay |
Hot-Swap Terminals | Yes | No | Yes | No |
Temperature Range | –40 °C … +85 °C | 0 °C … +55 °C | –40 °C … +70 °C | 0 °C … +60 °C |
Certifications | ATEX Zone 2 | CE only | CE, UL | CE, UL |
选型建议
-
Sub-10 µs SSR switching with 1 000 Vrms isolation.
-
4 kV surge immunity for offshore or heavy-industry environments.
-
ATEX Zone 2 certification for explosive atmospheres.
For cost-sensitive indoor panels, GE IC693MDL940 offers 16 EMR outputs at lower price but with slower switching and much lower isolation. If PXI driver integration is more important than isolation, NI PXI-2586 provides good software support but only 150 Vrms isolation and no hot-swap terminals.
注意事项
• Use shielded twisted-pair for analog signals passing through VMIC+ASSY 12149 to maintain 90 dB CMRR at 100 kHz.
• Torque screw-clamp terminals to 0.5 N·m; over-torque can crack the housing.
• Verify that upstream analog boards (e.g., VMIC+ASSY 11993R2) are Rev D or later to enable automatic fault reporting from VMIC+ASSY 12149.
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