BSR E1.37-1, Additional Message Sets for ANSI E1.20 (RDM) - Part 1, Dimmer Message Sets, is part of the BSR E1.37 project, and provides additional get/set parameter messages (PIDs) that are intended for, but are not limited to, use with entertainment lighting dimming systems. These additional messages allow access to configuration parameters commonly found in many theatrical dimming systems.
ANSI E1.37-1-2012 history
2012ANSI E1.37-1-2012 Additional Message Sets for ANSI E1.20 (RDM) - Part 1: Dimmer Message Sets