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Temperature 2557 Brochures User Guides
	2557 16-Channel RTD Input Module The 2557 is a high-speed 16-channel isolated RTD input module designed to be compatible with the SIMATIC® 505 I/O base. The 2557 translates millivolt level signals from the RTD element into a scaled temperature value. Features: Replaces Siemens® SIMATIC® 505-2557 16 bit ADC for each channel Supports 10W Cu, 100W Pt, and 120W Ni RTDs and millivolt inputs Advanced preprocessing with on-board scaling, alarm detection, filtering and averaging Fast 20 mSec update time, open RTD detection and lead resistance compensation Support for 2, 3, or 4 wire RTD element Brochures 2557 Isolated RTD Input Module Product Brochure (115K PDF) 2557 Isolated RTD Input Module Product Brochure 2 (303K PDF) User Guides 2557 Isolated RTD Input Module User Guide (1.3M PDF)