Description
Allen-Bradley 1746-IV32: 32-Channel DC Input Module
High-Density Input Solution
The Allen-Bradley 1746-IV32 adds 32 DC inputs to your SLC 500 system. It accepts 24V DC signals from sensors and switches. This 1746-IV32 module groups inputs into four sections for easy wiring. It fits in one slot of any SLC 500 chassis.
Key Technical Specifications
Brand: Allen-Bradley
Model: 1746-IV32
Type: 32-Point DC Input Module
Input Voltage: 15-30V DC (50°C) / 15-26.4V DC (60°C)
On-State Voltage: 15V DC minimum
Off-State Voltage: 5V DC maximum
Input Current: 5.1 mA per point at 24V DC
Response Time: 3 ms ON / 8 ms OFF
Backplane Power: 5V DC, 106 mA
Isolation: 1500V AC for 1 minute
Heat Dissipation: 6.65 W total
Operating Temp: 0 to 60°C (32 to 140°F)
Groups: 4 groups of 8 points
Certifications: UL, C-UL, CE, C-Tick
12 Month Warranty
We guarantee this 1746-IV32 module for one full year. It covers any defects in materials or workmanship. We provide fast repair or replacement service. We ship worldwide using FedEx, UPS, and DHL.
Get The Complete Manual
- Learn wiring diagrams for four input groups.
- Understand voltage requirements and limits.
- Find installation steps for all SLC 500 chassis.
- Get troubleshooting tips for input status LEDs.
Download SLC 500 Hardware Manual Here
Important Technical Questions
- How are the 32 inputs grouped?
They are in four groups of eight inputs. Each group shares a common connection point. - What is the difference between series?
Series A, B, and C have internal fuses per group. Series D does not have internal fusing. - Can I use 12V sensors with this module?
No. The minimum on-state voltage is 15V DC. You need signals between 15-30V DC. - How do I know if an input is active?
Each point has a green LED. It lights up when the input signal is on. - Is this module good for noisy environments?
Yes. It has NEMA standard noise immunity and can handle industrial electrical noise.
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