Description
Allen-Bradley 1746-OG16: 16-Channel TTL Output Module
Quick Overview
The Allen-Bradley 1746-OG16 is a special 5V DC output card for SLC 500 PLCs. It has 16 TTL logic outputs. This 1746-OG16 module is perfect for controlling sensitive electronic devices.
Key Tech Specs & Details
Brand: Allen-Bradley
Model: 1746-OG16
Type: Digital TTL Output Module
Output Channels: 16
Voltage: 5V DC (4.5-5.5V Range)
Current per Point: 24 mA max
Total Module Current: 0.384A
Backplane Power: 5V DC, 180 mA
On Delay: 0.25 ms
Off Delay: 0.50 ms
Operating Temp: -13°F to 140°F (-25°C to 60°C)
Connection: Single common terminal
12 Month Warranty
Your purchase is safe with us. We offer a full 12-month warranty on this 1746-OG16 module. It covers all defects. We will fix or replace any faulty unit quickly. We ship via FedEx, UPS, and DHL for fast delivery.
Get The Full Manual
- Learn how to wire this TTL module correctly.
- Find programming examples and logic tips.
- Get important safety information.
- Understand the technical specs in detail.
Download SLC 500 Hardware Manual Now
Expert FAQs
- What does “TTL” mean for this module?
TTL means Transistor-Transistor Logic. It uses 5V signals. It is for driving displays and other low-power electronics. - Do I need an external power supply?
Yes. You must provide a separate 5V DC power source to power the output circuits. - Why is the logic inverted on this card?
It is designed that way. You may need to use a NOT instruction in your ladder logic for correct operation. - Can I use this to control a regular relay?
No. The current is too low (only 24mA per point). It is only for small electronics like LED displays. - How do I monitor the output status?
You can check each channel’s state in the processor’s data table. You can view it in binary, decimal, or hex.











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