Before revision: Modules Original Norbit family YL 6000 series YL6000 - NOR gate (red) ("NOR") YL6001 - Emitter follower (yellow) ("EF") YL6004 - High power output (Double-sized module) ("HP") YL6005, YL6005/00 - Counter unit (triple binary) ("3C") (violet) YL6005/05 - Single divide by 2 counter (violet) ("1C") YL6006 - Timer (brown) ("TU") YL6007 - Chassis ("CU") YL6008 - Medium power output (orange) ("MP") YL6009 - Low power output (white) ("LP") YL6010 - Photo-electric detector head ("PD") YL6011 - Photo-electric lamp head ("PL") YL6012 - Twin 2-input NOR gate (black) ("2.2 NOR") YL 6100 series YL6101 - Rectifier unit YL6102 - Rectifier unit YL6103/00 - Regel-Einheit YL6103/01 - Regel-Einheit YL6104 - Längsglied für Regel-Einheit YL6105 - Regel-Einheit Relay series
After revision: Modules Original Norbit family YL 6000 series YL6000 - NOR gate (red) ("NOR") YL6001 - Emitter follower (yellow) ("EF") YL6004 - High power output (Double-sized module) ("HP") YL6005, YL6005/00 - Counter unit (triple binary) ("3C") (violet) YL6005/05 - Single divide by 2 counter (violet) ("1C") YL6006 - Timer (brown) ("TU") YL6007 - Chassis ("CU") YL6008 - Medium power output (orange) ("MP") YL6009 - Low power output (white) ("LP") YL6010 - Photo-electric detector head ("PD") YL6011 - Photo-electric lamp head ("PL") YL6012 - Twin 2-input NOR gate (black) ("2.2 NOR") YL 6100 series YL6101 - Rectifier unit YL6102 - Rectifier unit YL6103/00 - Regulator unit, 6…30V 250mA YL6103/01 - Regulator unit, 1…6V 250mA YL6104 - Longitudinal link for regulator unit YL6105 - Regulator unit, 6V 150mA 88930 Relay series, 3…39V 1A, 3…39V 5AUsed to control relays using variable-length pulse sequences (as with telephone pulse dialing).