Parts List 
336  UDC3500 Universal Digital Controller Product Manual  3/07 
Table 8-1  Parts Identification 
Key 
Number 
Part Number  Description 
1  51453143-503  Bezel Assembly and Bezel Gasket 
2 51452845-501 Display/Keyboard PWA 
3 51452831-501 
50006376-501 
Power/Output PWA (90-264 Vac Operation) 
Power/Output PWA (24 Vac/dc Operation) 
4  51452837-502   
 
51452840-501 
Second Current Output/Digital Inputs/RS-422/485 Communications 
PWA 
Digital Inputs/Ethernet Communications PWA 
5 51452828-502 MCU/Input PWA 
6 
 
30755306-501 
30756679-501 
30756725-501 
51452807-501 
51452834-501 
Output 2 
• Electro-Mechanical Relay 
• Open Collector Output PWA 
• Solid State Relay 
• Dual Electromechanical Relay PWA  
• Third Current Output PWA 
7 51452846-501  Case Assembly (including Mounting Kit with 4 brackets & screws) 
8  51452843-501  Optional Relays PWA (Relays 3, 4 and 5) 
9  51452825-501  Optional Input PWA (used for Inputs 2 and 4) 
10  51452825-501  Optional Input PWA (used for Inputs 3 and 5) 
11 51453140-501 Battery Module 
Table 8-2  Parts Not Shown 
Part Number  Description 
30731996-506  Milliamp Input Resistor Assembly (250 ohm) 
30754465-501  0-10 Volt or –1-1 Volt Input Resistor Assembly (100K pair) 
51453364-501  Thermocouple Input Cold Junction Sensor Assembly 
51452763-501  Mounting Kits (12 brackets & screws) 
50010425-501  Ethernet Adapter Kit (RJ-45 Connector) 
50004821-501  NEMA Panel Support Kit (for bracing thin mounting panels)