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Features of an I/O Module
Wiring Your I/0 Modules

TM-5-3895-374-24-1 Paving Machine Bituminous Material: Crawler Mounted Diesel Engine Driven Manual
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TM 5-3895-374-24-1 Chapter 6 Wiring Your I/O Modules Recommendations for Wiring   The following are general recommendations for wiring I/O devices. I/O Devices ATTENTION:  Before  you  Install  and  wire  I/O  devices,  disconnect power from the controller and any other source to the I/O devices Use acceptable wire gauge - The I/O wiring terminals are designed to accept #14  or  smaller  AWG  stranded  wires,  and  two  wires  per  terminal  (maximum) Maximum torque .9 Nm (8 In-lb). Label  wires  -  Label  wiring  to  I/O  devices,  power  sources,  and  ground.    Use tape,   shrink-tubing,   or   other   dependable   means   for   labeling   purposes.      In addition  to  labeling,  use  colored  insulation  to  identify  wiring  based  on  signal characteristics For example, you may use blue for DC I/O wiring and red for AC I/O wiring. Bundle wires - Bundle wiring for each similar I/O device together.  If you use ducts, allow at least 5 cm (2 in ) between the ducts and the controller so there is sufficient room to wire the devices. Identify  terminals  -   Terminal   cover   plates   have   a   write-on   area   for   each terminal.    Use  this  area  to  identify   your   I/O   devices   Label   the   Removable Terminal Block (RTB) if you have not already. ATTENTION:      Calculate   the   maximum   possible   current   in   each power and common wire.  Observe all local electrical codes dictating the maximum current allowable for each wire size.  Current above the maximum  ratings  may  cause  wiring  to  overheat,  which  can  cause damage. Capacitors on input modules have a stored charge that can cause a non-lethal   shock   If   you   mount   the   controller   in   a   position   where installation   or   service   personnel   would   be   in   danger   from   startle reaction, attach warning labels that are provided. (page 3-422







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