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DNC Accessories

USB DNC device

USB DNC device


Floppy Emulator FE-12

Application note on Floppy Emulator

FE-12 Electronic floppy disk emulator for direct replacement of Floppy drives. It has got USB socket which can be used to emulate floppy storage. It has electronic memory for storing NC data and Executable software.100 such floppies can be stored in one FE12.


  • Compatible with 1.44/1.2 MB FDD
  • USB Socket type A
  • Multiple part program storage
  • Executable storage on select FDD

4/8/16 Port Controller Card and N port servers

4/8/16 Port controller card


Wireless Servers and WAP


Optical Isolators High /Low speed


The Optical Isolator unit is used to protect the Serial Ports(RS232) from the damage, due to following causes:

  • Floating voltages on communication lines
  • Spikes
  • Leakage current
  • And due to ground problems, etc


  • Its having the spike suppressor
  • Optically isolates the grounds between two ports
  • Optically isolates the other all signals that are required for the communication with CNC & other applications mproves strength of signal level
  • Filters RF & high voltage spikes
  • Baud rate upto 115200


  • DNC systems
  • PLC application
  • And in all other application where the communication is done through serial port


  • Its requires AC 230V,5A with good earth connection
  • It isolates Tx/Rx/CTS/RTS

Line drivers & protocol converters, RS422,RS485,20mA

Line drivers & protocol converters, RS422,RS485,20mA


BTR-RE93 : Tape reader emulators

RE 93 is Electronic paper taper reader emulator for direct replacement of paper tape readers and punchers. It has got micro controller CPU for handling various protocols in CNC communication. It has electronic memory for storing NC data and Executable software. It has optically isolated RS232 port for PC communication

  • Compatible with DNC
  • Block by block transfer of data
  • High speed
  • 16-2 LCD display
  • Multiple part storage
  • Unmanned operation
  • Bidirectional Communication
  • Power fail option
  • RE93 bypass mode



RE 93 has standard RS 232 port for PC communication. It has transmit and receive line and has Xon Xoff protocol. RS 422 also can be incorporated with one additional converter. RS 232 port of RE 93 is optically isolated from ground.

For Reader / Punchar connection RE 93 has two ports called input port and output port. Both are 25 pin D type connectors. Input port is for connecting existing reader. If reader is connected to this port, paper tape can be read and store into RE 93 memory. If puncher port from CNC is connected to this port, NC data sent by CNC to puncher port will be collected by RE 93 and store electronically. Data stored in RE 93 can be later sent to PC using RS 232 port.

RE 93 has output port for connecting to reader port of CNC or puncher. RE 93 can respond to CNC exactly as reader responds to CNC and send NC data to CNC electronically. It generates sprocket signal for certification. If puncher is connected to this port RE 93 will drive puncher so that paper tape can be punched out.

RE 93 can emulate following interfaces as on today and can be configured for any other interface if necessary timing diagrams are available with the customers.

  • FANUC Reader
  • Tally Reader
  • Acrared Reader
  • Gilmetti Reader
  • General Electric
  • SlO Syn Reader
  • GNT Reader
  • Remex Reader
  • FER 202 Reader (AGIE)
  • Facit Reader
  • GNT Puncher
  • Excellon CNC 6
  • AGIE CNC wire EDM
  • CMM
  • OKK
  • Okuma
  • Pratt & Whitney
  • Sieb and Mayor : PCB drill machines
  • Fanuc 6M - With BTR RE93 block by block communication can be achieved. This facility is not available with RS232 port available on machine
  • JAPAX - Japax machines are fitted with Cassette for data transfer. Cassette can be eliminated with RE93



Includes Godrej, L&T, M&M, Siemens, GKN, BHEL, HAL, DRDL, Circuit systems, Escorts, Rasandik, Tecumsh, Crompton


Ethernet to serial converters


RS 232 cables and connectors


Diagnostics connectors & utilities

Diagnostics connectors & utilities


Tab based DNC

Tab based DNC