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M79 - Profibus DP Slave Interface

M-Module

The mezzanine card M79 is a Profibus DP interface M-Module (slave) based on the Infineon C165 CPU.

Download data sheet

  • M79 Product ImageM79 Profibus DP Slave Interface
  • M79 Product Image

Main Features

  • Profibus DP slave (DIN19245)
  • Isolated RS485
  • Local 16-bit CPU
  • 12 Mbit/s data transfer rate
  • Complete Softing Profibus software on board
  • Compatible with Softing tools
M79 Product Image

Technical Data

C165 CPU
  • 16-bit data bus, 20-bit address bus
  • Complete Profibus DP software on one M-Module
  • Local interrupt controller
  • Hardware watchdog
Slave: SPC 3 Profibus Controller
  • Up to 12Mbaud data rate
  • 8-bit interface (local)
  • Complete DP slave protocol
Master: ASPC 2 Profibus Controller
  • Optional, for M79 as Profibus Master
  • Up to 12Mbaud data rate
  • 16-bit DMA interface (local)
  • Complete bus access protocol
  • Up to 127 active or passive stations
Miscellaneous
  • 1MB shared memory for communication and program
  • Isolated RS485 Profibus interface
Peripheral Connections
Via front panel on a shielded 9-pin D-Sub receptacle connector
M-Module Characteristics
A08, D16, INTA, IDENT
Electrical Specifications
  • Electrical isolation: 500V DC
    • 500V DC between isolated side and digital side
    • Voltage between the connector shield and isolated ground is limited to 180V using a varistor; AC coupling between connector shield and isolated ground through 47nF capacitor
  • Supply voltage/power consumption:
    • +5V (4.85V..5.25V), 287mA
  • MTBF: 860,000h @ 40°C (derived from MIL-HDBK-217F)
Mechanical Specifications
  • Dimensions: conforming to M-Module Standard
  • Weight: 53g
Environmental Specifications
  • Temperature range (operation):
    • 0..+60°C or -40..+85°C
    • Airflow: min. 10m³/h
  • Temperature range (storage): -40..+85°C
  • Relative humidity (operation): max. 95% non-condensing
  • Relative humidity (storage): max. 95% non-condensing
  • Altitude: -300m to + 3,000m
  • Shock: 15g/11ms
  • Bump: 10g/16ms
  • Vibration (sinusoidal): 2g/10..150Hz
  • Conformal coating on request
Safety
PCB manufactured with a flammability rating of 94V-0 by UL recognized manufacturers
EMC
Tested according to EN 55022 (radio disturbance), IEC1000-4-2 (ESD) and IEC1000-4-4 (burst)
Software Support
  • Softing protocol portation (ISO/OSI protocol layer 2/DP)
  • MEN Driver Interface System (MDIS for Windows, Linux, VxWorks, QNX, OS-9)
  • For more information on supported operating system versions and drivers see Software.

Ordering Information

Standard M79 Models
04M079-00

Profibus slave interface, 0..+60°C

Miscellaneous Accessories
05M000-17

25 mounting screw sets to fix M-Modules on carrier boards

Software

Linux
13M079-06

MDIS4/2004 / MDIS5 low-level driver sources (MEN) for M79

Windows
13M079-70

MDIS4/2004 / MDIS5 Windows driver (MEN) for M79

VxWorks
13M079-06

MDIS4/2004 / MDIS5 low-level driver sources (MEN) for M79

QNX
13M079-06

MDIS4/2004 / MDIS5 low-level driver sources (MEN) for M79

OS-9
13M079-06

MDIS4/2004 / MDIS5 low-level driver sources (MEN) for M79