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Rockwell Automation 1756-XXXX ControlLogix Analog I/O Modules User Manual

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278

Publication 1756-UM009C-EN-P - December 2010

Appendix A Analog I/O Module Specifications

1756 high-speed analog combination module

• Data format: Integer mode (left justified, 2s complement) IEEE 32-bit floating point
• Input conversion method: Successive approximation
• Output conversion method: R-Ladder DAC, monotonicity with no missing codes
• Module keying: Electronic, software configurable
• RTB keying: User-defined mechanical

1756 analog RTD and thermocouple modules

• Data Format: Integer mode (left justified, 2s complement) IEEE 32-bit floating point
• Module conversion method: Sigma-Delta
• Module keying: Electronic, software configurable
• RTB keying: User-defined mechanical

1756 analog modules with HART interface

• Data format: Integer mode (left justified, 2s complement), Floating point IEEE 32 bit
• Input conversion method: Successive approximation
• Output conversion method: R-Ladder DAC, monotonicity with no missing codes
• Module keying: Electronic, software configurable
• RTB keying: User-defined mechanical

1756 Analog I/O Module Features

Module Type

Features