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Allen Bradley 1746-IM8 SLC 500 AC Digital Input Module
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Product Introduction
The Allen Bradley 1746-IM8 Digital Input Module is an industrial-grade input module designed for the SLC 500 automation system. It provides reliable interface for 8 discrete digital inputs, allowing the PLC to monitor the status of switches, sensors, and other field devices.
The module supports standard industrial AC voltages, providing safe and precise signal detection. Its design ensures robust operation in industrial environments with electrical noise, voltage fluctuations, and continuous-duty cycles. The 1746-IM8 integrates seamlessly into SLC 500 racks, enabling straightforward installation, configuration, and system expansion.
Compact and modular, this digital input module simplifies control system wiring and improves monitoring reliability in process automation, manufacturing, and energy systems.
Product Specifications
| Parameter | Description |
|---|---|
| Product Type | Digital Input Module |
| Model Number | 1746-IM8 |
| Manufacturer | Allen Bradley |
| Series | SLC 500 |
| Number of Points | 8 |
| Input Voltage | 200–250 V AC |
| Input Frequency | 50 / 60 Hz |
| Signal Type | Discrete digital AC signals |
| Mounting Method | SLC 500 rack mount |
| Operating Environment | Industrial control panels, automation systems |
| Isolation | Electrical isolation between inputs and PLC backplane |
| Dimensions | 144.5 × 34.6 × 130.18 mm |
| Weight | 0.181 kg |
Applications
• Monitoring discrete inputs from switches, pushbuttons, and sensors
• Integration with SLC 500 PLC systems for process and machine automation
• Used in manufacturing lines, material handling, and assembly automation
• Expansion of existing PLC input capacity with reliable digital signal capture
• Industrial control systems where precise and stable input detection is required
Advantages
• Reliable AC input detection ensures accurate status monitoring of field devices
• Compact modular design, allowing multiple modules in SLC 500 racks
• Electrical isolation protects the PLC backplane and system components
• Supports standard industrial AC voltages for compatibility with common sensors and switches
• Easy integration into existing SLC 500 systems and retrofits
• Durable industrial-grade construction, suitable for continuous operation
FAQ
-
How many digital inputs does the 1746-IM8 support?
It supports 8 discrete digital input points. -
What input voltage range is supported?
200–250 V AC at 50/60 Hz. -
Is the module compatible with SLC 500 PLC systems?
Yes, it is fully compatible with SLC 500 racks. -
Does the module provide electrical isolation?
Yes, the inputs are electrically isolated from the PLC backplane. -
Can it monitor AC signals from sensors and switches?
Yes, it is designed for discrete AC signal monitoring. -
Is it suitable for continuous industrial operation?
Yes, it is built for reliable continuous-duty operation. -
Can it be used to expand PLC input capacity?
Yes, additional modules can be added to increase the number of digital inputs. -
What types of devices can it interface with?
Pushbuttons, limit switches, sensors, and other AC digital devices. -
How is the module installed?
It is mounted in an SLC 500 rack with standard rack connections. -
Does it support both 50 Hz and 60 Hz input signals?
Yes, it is compatible with both 50 Hz and 60 Hz AC input signals.
Related Models
| Model | Series | Points | Notes |
|---|---|---|---|
| 1746-IB8 | SLC 500 | 8 | DC input variant |
| 1746-IA16 | SLC 500 | 16 | AC input, higher point count |
| 1746-IC16 | SLC 500 | 16 | Isolated AC inputs |
| 1746-IM16 | SLC 500 | 16 | Expanded digital input module |
| 1746-IM12 | SLC 500 | 12 | Mid-range point count |
| 1746-IM4 | SLC 500 | 4 | Small input module |
Popular Models
| Model | Product Type | Typical Application |
|---|---|---|
| 1746-IM8 | Digital Input Module | Standard 8-point AC input monitoring |
| 1746-IB8 | Digital Input Module | 8-point DC input monitoring |
| 1746-IA16 | Digital Input Module | High-density AC input applications |
| 1746-IC16 | Digital Input Module | Isolated AC input systems |
| 1746-IM16 | Digital Input Module | Expanded SLC 500 input racks |
| 1746-IM12 | Digital Input Module | Mid-range AC input modules |
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
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