CMRI-Bus-Interface

Fork project on GitHub

RS422/485 driver for CMRI-Net

CMRI-Bus-Interface-Graphic
CMRI-Bus-Interface-Graphic

 

 

CMRI-Bus-Interface Version 2.1

Not built

Not tested or validated

Pin-header interface

Daughter board for interfacing with CMRI Bus traffic using MRCS ‘duino example code. Uses an optional onboard 555 to generate TX/RX enable based on processor I/O direction

Schematic
Schematic
Bot Silk
Bot Silk
Board
Board
Top Silk
Top Silk

Download CMRI-Bus-Interface.gerbers.zip - Gerber Fabrication files
Download CMRI-Bus-Interface.parts - Parts List (spreadsheet data)

 

CMRI-Bus-Interface.bom

Parts Value Package Quantity Library Type/Feeder
C1 0.1uF C050-024X044 1x SPCoast PTH
D1 1N4148 DIODE-1N4148 1x SPCoast PTH
R2 470 AXIAL-0.3-RES 1x SPCoast PTH
R1   AXIAL-0.3-RES 1x SPCoast PTH
CMRI-IO   CON-CMRI-IO 1x SPCoast PTH
U2   DIL-08 1x SPCoast PTH
TX   LED5MM 1x SPCoast PTH
U$3   MRCS-LOGO 1x SPCoast PTH
C2 .01uF C050-024X044 1x SPCoast PTH
C4, C5 .01uF C-PTH-0.100 2x SPCoast PTH
BOARD1 BOARD69X70 BOARD-DINRAIL-2.7IN-7CM 1x SPCoast PTH
CMRINET1, CMRINET2 CMRInet CMRINET-3.5MM 2x SPCoast PTH
CMRINET3, CMRINET4 CMRInet KK-156-5 2x SPCoast PTH
U1 MAX3465CPD DIL14 1x SPCoast PTH

CMRI-Bus-Interface Version 2.0

Not built

Pin-header interface

Daughter board for interfacing with CMRI Bus traffic using MRCS ‘duino example code. Uses an optional onboard 555 to generate TX/RX enable based on processor I/O direction

Schematic
Schematic
Bot Silk
Bot Silk
Board
Board
Top Silk
Top Silk

Download CMRI-Bus-Interface - CHMT Component and feeder definitions
Download CMRI-Bus-Interface.gerbers.zip - Gerber Fabrication files
Download CMRI-Bus-Interface.parts - Parts List (spreadsheet data)

 

CMRI-Bus-Interface.bom

Parts Value Package Quantity Library Type/Feeder
C1 0.1uF C050-024X044 1x SPCoast PTH
D1 1N4148 DIODE-1N4148 1x SPCoast PTH
R2 470 AXIAL-0.3-RES 1x SPCoast PTH
R1   AXIAL-0.3-RES 1x SPCoast PTH
CMRINETTOP, CMRINETTOP1   CMRINET-3.5MM 2x SPCoast PTH
CMRI-IO   CON-CMRI-IO 1x SPCoast PTH
U2   DIL-08 1x SPCoast PTH
TX   LED5MM 1x SPCoast PTH
U$3   MRCS-LOGO 1x SPCoast PTH
C2 .01uF C050-024X044 1x SPCoast PTH
C4, C5 .01uF C-PTH-0.100 2x SPCoast PTH
BOARD1 BOARD69X70 BOARD-DINRAIL-2.7IN-7CM 1x SPCoast PTH
RS485IN1 CMRInet Hdr Rt KK-156-5 1x SPCoast PTH
RS485IN2 CMRInet Hdr Top KK-156-5 1x SPCoast PTH
U1 MAX3465CPD DIL14 1x SPCoast PTH

CMRI-Bus-Interface Version 1.0

Not built

IO4 interface

Daughter board for interfacing with CMRI Bus traffic using MRCS ‘duino example code. Uses an optional onboard 555 to generate TX/RX enable based on processor I/O direction

Bot Silk
Bot Silk
Board
Board
Top Silk
Top Silk

Download CMRI-Bus-Interface - CHMT Component and feeder definitions
Download CMRI-Bus-Interface.gerbers.zip - Gerber Fabrication files
Download CMRI-Bus-Interface.parts - Parts List (spreadsheet data)

 

CMRI-Bus-Interface.bom

Parts Value Package Quantity Library Type/Feeder
C1 0.1uF CAP-PTH-SMALL 1x SPCoast PTH
R14 1k0 1/6W-RES 1x SPCoast PTH
D1 1N914 DIODE-1N4001 1x MCP PTH
R1   1/6W-RES 1x SPCoast PTH
RS485IN   1X05 1x SparkFun PTH
RS4895OUT   1X05_LOCK 1x SparkFun PTH
J8-CMRI   RJ11-NO_SHIELD 1x SPCoast PTH
JP2   SCREWTERMINAL-3.5MM-4_LOCK 1x SparkFun-Connectors PTH
C4, C5 .1uF CAP-PTH-SMALL 2x SPCoast PTH
C2 .01uF CAP-PTH-SMALL 1x SPCoast PTH
TX LEDLED3MM LED3MM 1x SPCoast PTH
U4 MAX3465CPD DIL14 1x maxim PTH
U3 NE555P DIL-08 1x SparkFun PTH
U$1 OSHW-LOGOL OSHW-LOGO-L 1x SparkFun PTH

This technical documentation is licensed under the CERN Open Hardware Licence v1.2