CPU & power modules

Bus connection and power supply for flexible use
The CPU modules for the IS1+ system support the most common communication protocols, such as PROFIBUS DP, PROFINET and EtherNet/IP. Copper cables or fibre optics are used for communication, and system redundancy can also be added.
The power module provides an intrinsically safe power supply and, like any other module, can be connected and disconnected in hazardous areas.

IS1+ CPU & power modules supply up to 16 I/O modules with intrinsically safe power and connect to all common automation systems.
RS485, or RS485-IS in Zone 1, is used for communicating via PROFIBUS DP and Modbus RTU. Fast, interference-free "Ex op is" 100 MBit/s fibre optics are used for the Industrial Ethernet connection via Modbus TCP, EtherNet/IP and PROFINET. System redundancy or integration into an optical ring to increase availability can also be supported, depending on the protocol.
A wide range of diagnostics is available either via a separate service bus or via the relevant process bus. These diagnostics can be easily integrated into plant asset management systems by an effective DTM.

  • Data transmission for PROFIBUS DP V0/V1 HART, Modbus RTU, Industrial Ethernet with Modbus TCP, EtherNet/IP, PROFINET
  • Wide range of diagnostics and HART transparency for integration into plant asset management systems via service bus and DTM
  • "Ex i" intrinsically safe or "Ex op is" inherently safe fieldbus interface for flexible use in hazardous areas

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Select the product lines that are applicable to your intended use.

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Zones
Zone & Division
Description​
Ex interface zone
Nominal voltage
Protocols

9 Series (26 Products)

CPU & Power Module for Zone 1 / Div. 1 Series 9440/22

  • Suitable for Ex i V0/V1 HART PROFIBUS DP, Modbus RTU
  • Supporting system redundancy and optical rings
  • CPM in Zone 1 can be hot swapped
  • Integration in plant asset management systems via ServiceBus and FDT/DTM
  • Integrated Ex i power supply for up to 8 I/O modules

Socket for CPU and Power Module Series 9490

  • For single or redundant installation of the 9440/22 series CPM in Zone 1
  • LCD for locally displaying diagnostic data, input and output values
  • passive design boasting high availability

CPU & Power Module for Zone 2 / Div. 2 Series 9440/15

  • Suitable for V0/V1 HART PROFIBUS DP, Modbus RTU
  • Supporting system redundancy and optical rings
  • Integration in plant asset management systems via ServiceBus and FDT/DTM

Socket for Ethernet CPU and Power Module Series 9492

  • For single or redundant installation of the 9441/12 series CPU & power module in Zone 1
  • LCD for locally displaying diagnostic data, input and output values
  • passive design boasting high availability

CPU Module for Zone 2 Series 9442

  • Supported by PROFIBUS DP, PROFINET, Modbus RTU, Modbus TCP and EtherNet/IPTM; incl. HART transmission
  • RS485 (max. 12 Mbps) and Ethernet (max. 100 Mbps) interfaces
  • Extensive diagnostics based on NE 107
  • Support of FDT/DTM and web server for integration into asset management systems
  • Extended ambient temperature range of -40 to +75 °C

Power Module for Zone 2 Series 9445

  • 24 V DC supply module for IS1+ CPU modules and 16 I/O modules
  • Redundancy of the power module with load sharing possible
  • Integrated polarity reversal protection
  • Error messages in accordance with NE 107 (overload, excess temperature, maintenance requirements)
  • Support of FDT/DTM and Webserver for integration in asset management systems
  • Expanded ambient temperature range -40 °C to +75 °C

Socket for CPU and Power Module Zone 2 Series 9496

  • For storing IS1+ 9442 CPU modules and power modules 9445
  • Selector switch for configuring the communication protocol and the station address
  • Redundancy for CPU or power module
  • Mounting on DIN rail or right on mounting plate
  • Special aluminium profile provides stability and heat dissipation
  • Extended ambient temperature range of -40 to +75 °C for installation on mounting plate
  • Compatible with IS1+ BusRail 9494

Ethernet CPU Module for Zone 1 / Div. 1 Series 9441/12

  • Suitable for op is 100 Mbit/s Ethernet with PROFINET, Modbus TCP or Ethernet/IPTM
  • Redundant activation with Modbus TCP possible
  • CPU can be hot swapped in Zone 1

Ethernet Power Module for Zone 1 / Div. 1 Series 9444/12

  • For intrinsically safe IS1+ system supply
  • for up to eight IS1+ I/O modules and connected field devices
  • power module in Zone 1 can be hot swapped
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