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Main / PROFLEX modular system / controllers and interfaces / PFPC-3024(E)

PFPC-3024 series CPU module for 1U PROFLEX™ racks provides the remote control and monitoring capability of all functional modules installed in a rack.
Available modifications:

Technical specifications

• Connectivity
  • RS-485 network in the BUS topology:
    • RS-485 serial bidirectional link
    • 9600 bps
    • data format: 11 bits (one startbit, eight data bits, one programmable, one stopbit), halfduplex
    • up to 300 meters of cable
    • up to 15 nodes on the network
  • RS-485 network in the STAR topology:
    • RS-485 serial bidirectional link
    • 9600 bps
    • data format: 11 bits (one startbit, eight data bits, one programmable, one stopbit), halfduplex
    • the uplink length between a network node and a hub up to 100 meters
    • network capacity:
      • one hub in a "flat" network: 12 nodes per hub
      • several hubs (up to 12+1 in the two-levelled network): 11 nodes per hub, up to 132 nodes
  • RS-232:
    • RS-232 serial bidirectional link
    • 9600bps
    • data format: 10 bits (one startbit, eight data bits, one stopbit)
    • up to 40 meters of cable
  • ETHERNET (PFPC-3024E only):
    • UDP traffic
    • 10/100Mbps
• Temperature sensor
  • an additional sub-board and an external sensor unit on a cable of up to 30 meters length
  • temperature range: -50°C to +85°C
  • accuracy: ±0.5°C
  • user-adjustable temperature offset: ±9°C
• General
  • Power consumption: 200mA
  • Operational temperature: 0° to 45°C

General description

PFPC-3024(T)(E) series CPU module for 1U PROFLEX™ racks consists of the two submodules:

• the frontal board with all the local means of control, which is always inserted in the very first slot in a rack
• the rear board with global REF input, RS-485/RS-232, GPI, ETHERNET and temperature sensor connectors

The rear panel views:

PFPC-3024(E) series CPU module is configurable from it's frontal panel. Pressing the MODE button select a parameter for editing, pressing the UD or DOWN buttons edit it. Available parameters:

• the rack's configuration
• watchdog parameters for audible alarm signal

PFPC-3024E frontal panel view

Application examples

RS-485 network in the BUS topology

PFPC-3024 series CPU module should be configured for the BUS topology. Each node is allocated with the unique system address. The "PROFITT"'s proprietary protocol is used for communication. The connectivity is not affected by a failing or absent node.

To connect an IBM PC to such a network the PIC-094 (RS-232 to RS-485) or PIC-4094 (ETHERNET/RS-232 to RS-485) interface converter is nesessary.

An example of a RS-485 network in the BUS topology

RS-485 network in the STAR topology

PFPC-3024 series CPU module should be configured for the STAR topology. The PHUB-4002 network hub should be present in the system. It is possible to have more than one hub (up to twelve) if MASTER/SLAVE mode is used in the PHUB-4002 hubs. The "PROFITT"'s proprietary protocol is used for communication. The connectivity is not affected by a failing or absent node.

To connect an IBM PC to such a network the PIC-094 (RS-232 to RS-485) or PIC-4094 (ETHERNET/RS-232 to RS-485) interface converter is nesessary.

An example of a RS-485 network in the STAR topology

RS-232 connectivity

PFPC-3024 series CPU module may be connected to an IBM PC directly via PIC-094 (RS-232 to RS-485) interface converter.

ETHERNET connectivity (PFPC-3024E only)

PFPC-3024(T)E series CPU module may be connected to an ETHERNET network directly.