ControlLogix 1756-OW16I Module Overview

The ControlLogix 1756-OW16I is a 16-point digital relay module designed to operate within ControlLogix systems, offering reliable and efficient control over various industrial processes.

Electrical Specifications

• Supply Voltage: DC
• Input Voltage Type: DC
• Digital Output Type: Relay
• Electric Connection Type: Screw connection
• Bounce Time: Mean of 1.2 μs
• Total Backplane Power: 4.4 W
• Thermal Dissipation: 15.35 BTU/h
• Current Draw: 150 mA @ 5.1V, 150 mA @ 24V
• Expected Contact Life: 300 kHz (resistive), 100 kHz (inductive)
• Module Keying: Electronic, software configurable
• Outputs: 16 Normally Open (N.O.) individually isolated
• Scheduled Outputs: Synchronization within 16.7 s max, reference to the coordinated system time
• Power Dissipation: Maximum of 4.5 W @ 60 °C (140 °F)
• Isolation Voltage: 250V (continuous), basic insulation type, outputs-to-backplane, and output-to-output
• Wire Category: Category 1
• Short-Circuit Protection: Not available
• Pilot Duty: C300, R150
• Initial Contact Resistance: Maximum of 100 mΩ @ 6V, 1 A
• Switching Frequency: Maximum of 1 operation/3 s (0.3 Hz at rated load)
• Fault Mode States: Hold last state, On or Off (default Off)
• Program Mode States: Hold last state, On or Off (default Off)

Mechanical Specifications

• Slot Width: 1
• RTB Keying: User-defined mechanical
• Shock Resistance: Operating: 30 G, Non-operating: 50 G
• Vibration Resistance: 2 G @ 10...500 Hz

Environmental Specifications

• Maximum Surrounding Air Temperature: 60 °C
• North American Temperature Code: T4A
• Emissions Standard: IEC 61000-6-4
• ESD Immunity: 6 kV contact discharges, 8 kV air discharges
• Relative Humidity: 5...95% non-condensing
• Conducted RF Immunity: 10V rms with 1 kHz sine-wave 80% AM from 150 kHz...80 MHz
• EFT/B Immunity: ±4 kV at 5 kHz on signal ports
• Operating Temperature: 0 to 60 °C
• Surge Transient Immunity: ±1 kV line-line (DM) and ±2 kV line-earth (CM) on signal ports
• Non-operating Temperature: -40 °C
• Oscillatory Surge Withstand: IEEE C37.90.1: 3kV

Output Specifications

• Off-State Leakage Current Per Point: Maximum of 1.5 mA
• Load Current Per Point: Minimum of 10 mA
• Output Delay Time: OFF to ON: 10 ms max, ON to OFF: 10 ms max

Input Specifications

• Operating Voltage: 5...125V DC, 10...240V AC
• Voltage and Current Ratings:
  • 1 A @ 5...30V DC
  • 0.5 A @ 48V DC
  • 0.22 A @ 125V DC
  • 1.5 A @ 120V AC, 50/60 Hz
  • 0.75 A @ 240V AC, 50/60 Hz

Construction

• Enclosure Type: None (open-style)

Technical Specifications - 1756-OW16I

Attribute: 1756-OW16I

Outputs: 16 N.O. individually isolated

Pilot Duty: C300/R150

Operating Voltage Range:

• 5…125V DC
• 10…240V AC

Output Voltage Range (Load Dependent):

• 1 A @ 5…30V DC
• 0.5 A @ 48V DC
• 0.22 A @ 125V DC
• 1.5 A @ 120V AC 50/60 Hz
• 0.75 A @ 240V AC 50/60 Hz

Output Delay Time:

• Off to On: 10 ms max
• On to Off: 10 ms max

Current Draw:

• @ 5.1V: 150 mA
• @ 24V: 150 mA

Total Backplane Power: 4.4 W

Power Dissipation, Max: 4.5 W @ 60 °C (140 °F)

Thermal Dissipation: 15.35 BTU/hr

Off-State Leakage Current Per Point, Max: 1.5 mA per point

Minimum Load Current: 10 mA per point

Initial Contact Resistance, Max: 100 mΩ @ 6V, 1 A