1756-OB16E Analog Output Module Allen-Bradley

Allen-Bradley 1756-OB16E Output Module

Technical Specifications

• Brand: Allen-Bradley
• Series: ControlLogix
• Model: 1756-OB16E
• Output Channels: 16 points
• Voltage Range: 10-31.2V DC
• Nominal Voltage: 24V DC
• Current per Point: 1A @ 60°C
• Current per Module: 8A @ 60°C
• Power Dissipation: 4.1 Watts maximum
• Response Time ON: 70µs nominal
• Response Time OFF: 360µs nominal
• Backplane Current: 250mA @ 5.1V DC
• Isolation Voltage: 50V continuous

Output Characteristics

• Sixteen individually controlled DC output channels
• Two electronically fused groups with eight outputs each
• 1 amp maximum current per point at 60°C
• 8 amps maximum total module current at 60°C
• 2 amp surge current for 10ms repeatable every 2 seconds
• Minimum load current requirement of 3mA per channel

Performance Features

• Fast Response: 70µs typical turn-on delay
• Quick Shutdown: 360µs typical turn-off delay
• Electronic Fusing: Built-in protection per group
• Low Leakage: 1mA maximum off-state leakage
• Voltage Drop: 400mV maximum at 1A load

Power Requirements

• Backplane Power: 250mA at 5.1V DC
• 24V DC Current: 2mA from backplane
• Total Power: 1.32 Watts backplane requirement
• Thermal Dissipation: 13.98 BTU/hour
• Efficiency: Optimized for low power consumption

Installation & Compatibility

• Slot Width: Single slot module
• Chassis Compatibility: All 1756 ControlLogix models
• Terminal Blocks: 1756-TBNH or 1756-TBSH
• Mounting: Any slot in local or distributed I/O
• Keying: Electronic and user-defined mechanical

Environmental Specifications

• Operating Temperature: 0 to 60°C (32 to 140°F)
• Storage Temperature: -40 to 85°C (-40 to 185°F)
• Humidity Range: 5-95% non-condensing
• Isolation Rating: 50V continuous operation

Frequently Asked Questions

How many output points does this module have?

• The 1756-OB16E provides 16 discrete output points.

What is the maximum current per output?

• Each output can handle 1 amp at 60 degrees Celsius.

Are fuses included for protection?

• Yes, electronic fusing protects groups of eight outputs.

What terminal blocks are needed?

• Use 1756-TBNH or 1756-TBSH removable terminal blocks.

How fast does the module respond?

• Turn-on delay is 70 microseconds typical.

What voltage range does it support?

• It operates from 10 to 31.2 volts DC.

Can I use this in remote I/O applications?

• Yes, it works in both local and distributed I/O systems.

For pricing and technical specifications, contact: sales@nex-auto.com