Overview
The Allen Bradley 1746-IO12 is a combination input/output (I/O) module designed for the SLC 500 programmable logic controller (PLC) series. It integrates both digital inputs and outputs in a single module, providing flexible control and monitoring of field devices in industrial automation systems.
General Information
Part Number: 1746-IO12
Manufacturer: Allen Bradley
Brand / Country of Origin: Allen Bradley / USA
Series: SLC 500
Type: Combination Digital I/O Module
Mounting: DIN rail or rack installation in SLC 500 chassis
Technology: Opto-isolated digital inputs and outputs, high-speed scanning
Power Specifications
Supply Voltage: 24 V DC
Power Consumption: ≤ 4 W
Input: Powered via SLC 500 backplane
Protection: Input/output surge and short-circuit protection
Indicators: LEDs for input/output channel status, module power, and fault detection
Communication & Interface
Bus Interface: Backplane communication with SLC 500 CPU
Input Channels: 6 DC digital input channels
Output Channels: 6 DC digital output channels
Diagnostics: Channel monitoring, error detection, and fault reporting via CPU
Operator Interface: LED indicators for each input/output channel and module status
Reset Features: Supports CPU and software-initiated reset
Environmental
Operating Temperature: 0 to +60 °C
Storage Temperature: −20 to +85 °C
Humidity: 5% to 95% RH, non-condensing
Protection Rating: Standard industrial enclosure (IP20)
Dimensions & Weight
Dimensions (L × W × H): 144.5 × 34.6 × 130.18 mm
Weight: 0.295 kg
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