Maxsys PC4020 - Table of Contents

PC4020 Design Notes
2
Page
Section 2 - Installation and Wiring
2.0 Suggested Installation Procedure .............................................................................. 7
2.1 Step 1 - System Layout .............................................................................................. 7
2.2 Step 2 - Calculate Product Required - Current Required ......................................... 8
2.3 Step 3 - Calculate Power Requirements.................................................................... 8
2.3.1 Calculate Current Required ............................................................................ 8
2.3.2 Advantages in Determining Line Loss............................................................ 8
2.3.3 How to Determine Line Loss ...........................................................................9
2.3.4 Step by Step Procedure for Calculating Line Loss ........................................ 9
2.3.5 Step by Step Example of Calculating Line Loss ..........................................10
2.3.6 Locating PC4204 Modules/Correcting Line Loss Problems........................ 13
2.3.7 Base Number Chart ......................................................................................13
2.3.8 Power Units Chart .........................................................................................14
2.3.9 Power Unit Calculation Chart - Distance vs Base Number .......................... 14
2.3.10 Line Loss Calculation - Second Method.......................................................15
2.3.11 Final Line Loss Test ......................................................................................15
2.3.12 When to Perform Line Loss Calculations ...................................................... 15
2.4 COMBUS Power .......................................................................................................15
2.4.1 How to Wire the PC4204 for COMBUS Power ..............................................16