AMS DCB-274 manual Product Overview, Features

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ADVANCED MICRO SYSTEMS, INC.

HARDWARE

Product Overview

The DCB-274combines efficient bi-polar chopper Driver circuitry with AMS’ new, powerful SMC-27X2 Micro -controlleron a single, heat sink mounted board, to operate small to mid -size stepping motors. It is designed for low cost O.E.M. applications; yet includes many enhanced operating features found in products costing much more:

Features

Programmable hold and run currents

Selectable “PLC” sourcing input mode

All inputs withstand >28 volts

2 x 2 amp outputs

SMC-27X2 intelligent controller up to 40,000 SPS

Single 24 to 45 volt power supply input

Full, 1/2, 1/4, 1/8 microstep resolution

2k bytes of non-volatile memory

Limit, Home, Go and Stop inputs

Step, Direction and Jog inputs

Encoder input option

Serial communication (1-32 axes)

4.0 amp/phase (max) chopper drive output

Programmable acceleration and deceleration ramp

Constant velocity commands

Heat-sink mounted and mating connectors included

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Contents Nashua, NH Page Revision Date 07/05/06 Page Advanced Micro SYSTEMS, INC Addenum Introduction Limitations or Exceptions for the DCB-274Features Product OverviewRequired Hardware for Operation SIN-8Out of the Box Quick Start Dual Ammeter Circuit After Sign-onConnect the Motor Serial Interface J2, J3 Advanced Micro SYSTEMS, INC Hardware Connections J1, J4Pin 7 VIO Reference Input Input PortsStandard Mode- Sinking Inputs PLC Mode- Sourcing InputsTypical User Input Circuit Output PortsTypical Output Circuit Encoder Input Option J1Port Encoder Inputs J1 Power Supply and Motor Connection J5Step and Direction Inputs J1 Typical Wiring Diagrams for Step Motors Baud Rate Jumpers B1, B2Specifications ElectricalEnvironmental PhysicalPhysical Dimensions Overview RS-232 HardwareRS-232 RS-422Single axis, RS-232 connection using AMS SIN-7 adapter RS-232 Daisy Chain connectionCable Specifications RS-422 Party Line HardwareParty Line Connect RS-422 Party LineSIN-8, RS-232 to RS-422 converter SIN-8 Serial AdapterRS-422/485 BUS-drop SIN-10, intelligent serial line converter Other Party Line SignalsSIN-10 Intelligent Serial Adapter Party Line Mode Daisy Chain Mode not recommended for more than 1 axisSerial Communications Overview Serial Communications SoftwareSerial Interface Using Easi Baud RateEasi Software Sign-OnExamine Command Axis Name Assignment Simple Command ExamplesDaisy Chain Start-Up Execute the Program NV Memory ProgrammingVerify the Program Some Rules Party Line and Daisy Chain Line CommandsEdit Program Command Example Party Line StartupAnatomy of Instruction Execution Interrupt Commands Command Cycle ExamplesAdvanced Micro SYSTEMS, INC Serial Interface Advanced Micro SYSTEMS, INC Serial Interface Non-Volatile Memory Details Memory MapDefault Table Turbo Ram@ Soft Stop Command Format DescriptionESC Global Abort Reset Port Read/WriteInputs OutputsProgramming Example Set Jog Speeds Lower case B Fast and Slow DecayClear and Restore NV Memory Divide SpeedsFind Home Normally Open Home SwitchNormally Closed Home Switch Special case Go Step Resolution Initial VelocityRamp Slope Lower case I Restart Special TripJump to Address a, n+1 times Lower case K Trip Output Value Advanced Micro SYSTEMS, INC SMC-27X2 Software Flags and Numbers Loop on PortLower case L Option Flags PLC Mode Flag Limit Polarity FlagMake Step and Direction Outputs Flag Moving Output FlagGentle Limit Flag Move at a Constant VelocityPort 4 Input Flag Program Mode Set OriginIndex Relative to Origin Save Trip PointSet Slew Speed Wait Lower case W Pre-energizeExamine Hold and Run CurrentRead Position Read NV Memory Read Limits, Hardware+ Index in Plus Direction Index in Minus DirectionRead Moving Status \ Write to NV MemorySelective Termination Name AxisParty Line Mode AMS SIN-11 Serial AdapterCommand Summary Advanced Micro SYSTEMS, INC AddendumAscii Character Code Ctrl Char Dec Hex CodeStep Motor Characteristics About Step Motor CurrentMotor Choice Determining the Current ValueAmps and Wire Count and Power Basic 8 Wire MotorWire Motor Application Notes V1.10 Double Speed Characteristics Decay ControlSerial Adapter Summary