Merg DCC-TOTI Building Instructions

8 channel train detector module.

8-channel DCC-TOTI Detector (DCC-TOTI)

Building Instructions.

Issue 2

These are the Building Instructions for 8-channel DCC-TOTI (Train-On-Track-Indicator) Input Module (DCC-TOTI) which is used to

monitor the presence of trains on up to 8 rail sections. It is designed for easy interfacing to a CAN-ACE8C for CBUS systems. Do take a

few minutes to read right through these Instructions before commencing assembly and begin by checking through the kit contents. If

any items are missing please contact the Kitmaster. These instructions refer to Rev 1.01 of the printed circuit board (PCB).

Static Precautions are vital when handling the Integrated Circuits, which should be left in their protective tubes until

instructed to install.

Circuit Diagram

Assembly starts with the smallest items first to allow the pcb to lie flat on the bench when soldering the

underside. Do not attempt to solder the diodes on the reverse until the top components are fitted.

DCC-TOTIbuild.doc

Page 1

Mar 2013

Table of Contents

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Page 1 Issue 2 These are the Building Instructions for 8-channel DCC-TOTI (Train-On-Track-Indicator) Input Module (DCC-TOTI) which is used to monitor the presence of trains on up to 8 rail sections. It is designed for easy interfacing to a CAN-ACE8C for CBUS systems. Do take a few minutes to read right through these Instructions before commencing assembly and begin by checking through the kit contents.
Page 2 8 channel train detector module (DCC-TOTI) - Building Instructions contd Fit the 8 1K0 Resistors (Marked 102 or 1001) Fit the 8 1K5 Resistors (Marked 152 or 1501) Fit the 8 4K7 Resistors (Marked 472 or 4701) Fit the 2 22K Resistors (Marked 223 or 2202) Fit the 16 100K Resistors (Marked 104 or 1003) Fit the 12 100n Capacitors (Normally unmarked;...
Page 3 The DCC-TOTI board has been designed for direct connection to a CAN-ACE8C board. To do this don't fit terminal blocks to J2 on the CAN-ACE8C or to J2 on the DCC-TOTI, but instead use a 10 way right angle 0.1” header, suitably bent, to link J2 on the DCC-TOTI board to the 0.1” holes by J2 on the CAN- ACE8C.
Page 4 8 channel train detector module (DCC-TOTI) - Building Instructions contd Kit Contents Component Value Description Parts Supplier Part Number 10PinCon Molex 1 J2 Rapid 22-0850 / 22-0832 B340 Shtky Diode Farnell 1456529 Candem11way Terminal Strip 1 J1 Rapid 3*21-3001 + 1 *21-3000...