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Troubleshooting Your Output Modules - TM-5-3895-374-24-1_490
Glossary - TM-5-3895-374-24-1_492

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 Glossary You can find the following terms used throughout this manual Auto Answer- type of modem that has self-contained timeouts and tests They can answer and hang the phone up automatically Backplane   Current   Draw   --   The   amount   of   current   the      module   requires   from   the backplane  The  sum  of  the  backplane  current  draw  for  all  modules  In  a  chassis  is  used  to select the appropriate chassis power supply Baud  Rate-  The  speed  of  commutation  between  devices  on  a  network.    All  devices  must communicate at the same baud rate.  For example, the DH-485 network devices default to 19,200 baud Calculated  Watts-  The  amount  of  heat  generated  by  those  points  energized  on  an  I/O module Channel- Communication port on a module. Chassis- A hardware assembly that houses devices such as I/O modules, adapter modules, processor modules, and power supplies Continuous Current Per Module- The maximum current for each module  The sum of the output current for each point should not exceed this value Continuous   Current   Per   Point-   The   maximum   current   each   output   is   designed   to continuously supply to a load CPU- Central Processing Unit or processor DF1  protocol-A  peer-to-peer  link-layer  protocol  that  combines  features  of  ANSI  X3  28- 1976specification   subcategories   D1(data   transparency)   and   F1   (two   -way   simultaneous transmissions with embedded responses). Direct Connect- type of modem that is connected to a dedicated, leased phone line and is active at all times. DH-485   Network-   The   DH--85   network   is   a   collection   of   devices   connected   to   the communication cable allowing information  exchange.    A  communication  network  based  on the EIA Standard for RS-485 using an Allen-Bradley proprietary protocol. DTE Controlled Answer- type of modem that is unattended and is attached directly to the phone  lines.    The  Interface  module  or  the  5/03  processor  acts  as  the  Data  Technical Equipment  (DTE)  which  Controls  the  modem  via  the  DTR,  DSR,  and  DCD  signals    The module incorporates timeouts and tests to properly operate these types of modems. Glossary (page 3-463)







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