Allen-Bradley 1746-OG16 SLC 500 Digital DC TTL Output Module

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Technical specifications for 1746-OG16 

Descripution

The Allen-Bradley 1746-OG16 has voltage category of 5V DC TTL signal input (sinking). This module has Sixteen (16) TTL outputs and. The operating voltage of the 1746-OG16 is 4.5-5.5V DC with a maximum 50 mV peak-to-peak ripple. The 1746-OG16’s backplane current at 5V is 0.18A with backplane current at 24V is 0A. The Off-state voltage of this module is from 4.5-5.5 V DC. The maximum Off-state leakage current of this module is 0.1 mA. The continuous current per point is 24 mA. The 1746-OG16’s operating temperature is from -13-140 deg. Fahrenheit while the non-operating temperature is from -40-185 deg. Fahrenheit at 5-95% relative humidity without condensation. The operating vibration of this module is 2g at 10-500 Hz and 2.5 g at 57-2000 Hz while the operating shock is 30g.

The Allen-Bradley 1746-OG16 is intended for industrial environments with a pollution level no higher than Pollution 2 (as defined in EN / IEC0664-1). The enclosure should be accessible only by the included appliance. Do not disconnect equipment unless power has been removed and if the area is known to be dangerous because an electric arc will be created.

This output module, similar to the input module, has an inverted logic. To properly operate a TTL module, a NOT instruction is needed to be negated the naturally inverted logic.

Parameters may be modified for a custom defined operation; however, the default operation is already set for an acceptable operation. Through this data table, individual channels may be monitored or FORCED activated. The data table may be viewed in different ways such as binary, decimal, octal and hexadecimal. During actual programming, the data table allows drag and drop operation.

It is inserted to a slot of a SLC 500 chassis. This is a single slot module that connects to the backplane where it receives power to energize its electronic circuitry. This module requires an external 5VDC power supply to enable the output circuitry. The Sixteen (16) channel has a single common terminal at +VDC terminal.

Wiring Diagram

FAQ

Questions: What distinguishes the AB 1746-OG16 module in high-density discrete output architectures?

Answer: The AB 1746-OG16 is a 16-channel TTL output module designed for SLC 500 systems. Its high-density configuration enables efficient control of multiple low-voltage digital devices while optimizing rack space utilization.

Questions: How does the AB 1746-OG16 ensure signal integrity when interfacing with sensitive electronic equipment?

Answer: The AB 1746-OG16 utilizes TTL-compatible output circuitry, providing stable logic-level signals that help maintain reliable communication with microprocessors, instrumentation, and other low-voltage electronic devices.

Questions: Why is the AB 1746-OG16 considered a strategic choice for advanced automation and machine-control applications?

Answer: The AB 1746-OG16 offers fast switching performance, compact design, and seamless integration with SLC 500 controllers, making it suitable for applications requiring precise digital output control.

Questions: What operational considerations should engineers evaluate when deploying the AB 1746-OG16 in a control system?

Answer: Engineers should verify that connected field devices are compatible with the AB 1746-OG16 TTL output specifications, including voltage requirements, current ratings, and wiring practices to ensure optimal performance.

Questions: How can the AB 1746-OG16 contribute to enhanced system responsiveness in industrial automation environments?

Answer: The AB 1746-OG16 delivers rapid digital output transitions and deterministic signal transmission, enabling faster control responses for sequencing, monitoring, and real-time machine operations.

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