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SKU:1769-IA8I
Allen-Bradley 1769-IA8I 8-Channel Isolated Module
Manufacturer: Allen-Bradley
Product No.: 1769-IA8I
Product Type: Isolated Input Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 200g
Shipping port: Xiamen
Warranty: 12 months
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- Kwaliteitsborging
Beschrijving
Product Overview
The ALLEN-BRADLEY 1769-IA8I is a high-performance 8-channel digital input module designed to interface 120V AC signals with CompactLogix and MicroLogix 1500 controllers. Featuring individual channel-to-channel isolation, this module is specifically engineered for industrial environments where mixed power sources or potential ground differences exist.
Technical Configuration
Individually Isolated Channels
Unlike standard AC modules, the 1769-IA8I provides full isolation for each of its 8 channels. This IEC Class II rated architecture allows you to monitor signals from multiple separate power sources on a single module without the risk of cross-talk or ground loop interference.
Reliable Signal Detection
The module operates within a broad AC voltage range of 79V to 132V. It features sophisticated hardware debounce filtering with a typical 20ms response time, ensuring that only valid logic transitions are processed by the controller while filtering out transient electrical noise.
Technical Specifications
| Technical Parameter | Detailed Rating |
|---|---|
| Number of Inputs | 8 Isolated Channels |
| Voltage Category | 120V AC (47-63 Hz) |
| Operating Voltage | 79V AC to 132V AC |
| Isolation Voltage | 1517V AC (1 second) |
| Power Consumption | 1.81 Watts |
| On-State Current | 5mA @ 74V AC (Minimum) |
| Operating Temp | 0°C to 60°C (32°F to 140°F) |
Installation Guide
Mount the module on a standard DIN rail or use a direct panel mount with a 30G shock rating. Ensure the module is placed within 8 slots of a 1769-PA or 1769-PB power supply to meet backplane current requirements. Use 22-14 AWG copper wire for all field connections and maintain clear spacing for ventilation. Note that the 1769-IA8I is not hot-swappable; system power must be disconnected before installation or removal.
Engineering Advantages
- High Isolation Security: 1517V AC isolation protects the PLC backplane from high-voltage surges and field faults.
- Studio 5000 Integration: Native compatibility with Rockwell Automation software allows for rapid diagnostic monitoring.
- Rugged Durability: IP20-rated housing with 5G vibration resistance ensures stability in harsh factory environments.
- Visual Diagnostics: Integrated LED indicators provide immediate status verification for each individual input channel.
Technical FAQs
Q1: Can I use this module to monitor signals from different AC phases?
A1: Yes. Because each channel is individually isolated, you can monitor inputs from different phases or power sources safely on the same module.
Q2: Is a specific terminal block required?
A2: Yes, the 1769-IA8I typically utilizes an 18-point removable terminal block (RTB) for secure field-side wiring connections.
Q3: What happens if the voltage drops below 79V AC?
A3: The module may enter an off-state or provide an inconsistent signal. It is rated for stable "On" operation between 79V and 132V AC.
Aanvullende specificaties
- Grijs
Scalar (V/f)
Vector
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Koopgids
- Bevestig het exacte model, onderdeelnummer en specificaties voordat u bestelt.
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Voor meer details kunt u onze Verzend- en Retourbeleid raadplegen.

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