The Gardner Denver 200EAU1173 ES+ Auto-Sentry Air Compressor Controller offers a graphic display and keypad providing service lights and rapid access to compressor data. The 200EAU1173 ES+ controller features enhanced continuous modulation or may be run in full-load/no-load systems. The adjustments are grouped to provide fast access to common adjustments. The 200EAU1173 ES+ AUTO-SENTRY multi-compressor sequencing retains the simple installation and operation with improved performance for reduced operating cost. A dedicated RS-232 port is provided for connection into local or plantwide data collection systems. The 200EAU1173 ES+ was superceded by the 302EAU1173 ES+ AUTO-SENTRY and both models are available at MEI.