Features

• Mounts in a ControlLogix® chassis
• Requires either a removable terminal block (RTB) or a Bulletin 1492 wiring interface module (IFM) to connect all field-side wiring
• Includes inherent time-stamping capabilities for sequence of events (SOE) applications
• Offers comprehensive I/O diagnostics for detection of both system and field-side failures
• Provides removal and insertion under power (RIUP) for ease of maintenance
• Offers electronic keying to help prevent replacement errors
• Includes I/O wizards in the Studio 5000™ Logix Designer application to enable quick and easy module configuration
• Available with conformal coating to help protect in harsh environments

1756 ControlLogix Digital I/O Modules

• Offers a variety of voltages
• Provides 8 to 32 points per module
• Offers isolated and non-isolated module types
• Includes point-level output fault states
• Offers direct-connect or rack-optimized communication
• Offers field-side diagnostics on select modules

1756 ControlLogix Analog I/O Modules

• Includes input, output, and combination modules
• Provides thermocouple and RTD modules
• Includes on-board data alarming
• Offers scaling to engineering units
• Provides real-time channel sampling
• Offers electronic module keying, and is software configurable
• Includes mechanical RTB keying, user-defined
• Offers per channel configuration for voltage, current or 2-wire transmitter current sourcing
• Offers Per channel configuration for either RTD or Thermocouple
• As of July 31, 2016, the ControlLogix 1756 Isolated Analog I/O 6-channel modules will be discontinued and no longer available for sale. Customers are encouraged to migrate to the 1756 Isolated Analog I/O 8-channel modules using the Migrating 6-channel to 8-channel 1756 Analog Modules Migration Guide

1756 ControlLogix Specialty I/O Modules

• Includes configurable flow meter modules
• Provides high-speed counter modules
• Offers programmable limit switch modules

1756 ControlLogix Removable Terminal Blocks (RTBs)

• Provides a flexible interconnection between plant wiring and I/O modules
• Includes screw-clamp or spring-clamp terminations
• Not shipped with I/O modules; you must order separately

1756 HART Analog Isolated I/O Modules

• Includes channel-to-channel isolation
• Offers HART modem per channel for faster HART data update
• Offers basic field device configuration via the Add-on Profile
• Helps eliminate the need for field isolating barriers when using isolated modules

1756 Enhanced Analog I/O Modules

• Offers increased accuracy, repeatability, stability, and precision
• Includes isolated 8-channel and non-isolated 12- and 16-channel modules with stability over the entire temperature operating range
• Does not require field calibration
• Offers advanced precision using 24-bit design
• Includes per channel status and fault LED annunciation

1756 Communications Modules

• Implements network-based access control for users, devices, and networks in the 1756 chassis
• Offers security modules to encrypt important information shared between controllers and servers to prevent tampering