DeviceMaster ® MOD-2102

This DeviceMaster UP DB9M 2-Port 1E gateway has highly flexible and unique Modbus functionality and one Ethernet port for daisy chaining network connections between multiple units.

Product Name Change Notification

Part Number: 99552-4

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Engineering Drawing

Download Specifications
    • DIN-rail mounting and screw terminal power connections
    • Highly flexible and unique Modbus functionality
    • Surge protection for serial ports
    • Multiple Modbus master and slave types
    • Raw/ASCII Serial and Ethernet device support
    • Variable power input eliminates need for power converters
    • One Fast Ethernet Port with built-in LEDs
    • RoHS 2 compliant under CE

    View the DeviceMaster UP Modbus Solutions


    The DeviceMaster UP has been designed to meet the demands of today’s increasingly diverse Modbus installations.

    Comtrol has developed three unique Modbus firmware applications that provide a wide range of Modbus connectivity. Simple connections or complex Modbus networks, you can do it all with a DeviceMaster UP.

    Highly flexible and robust, the DeviceMaster UP provides connectivity between a vast array of Modbus controllers and devices. Simplified configuration pages, innovative functionality and informative diagnostic information all make for quick and easy set-up of even the most complex Modbus installations.

    • DeviceMaster UP 2 Port DB9M 1E Modbus/TCP Device
    • Loopback Plug
    • DIN rail
    • Bus Interface Specification 10/100 BASE-T
    • Memory
      • SDRAM 8 MB
      • Flash 4 MB
    • Enclosure UL94-V0 PLASTIC
    • Installation Method DIN Rail (35mm)
    • Dimensions 4.6" x 3.9" x 0.9"
      116.8 x 99 x 22.9 mm
    • Product Weight 4.6 oz
      130.41 g
    Electrical Specifications
    • Device
      • DC Input Voltage 6-30V
      • Current Consumption +24VDC 65mA
      • Power Consumption (maximum) 1.56 W
    • Power Input Redundancy Dual Redundant Power Input
    • ESD Surge ProtectionProvided minimum of 25KV protection for all serial lines. All Ethernet components are rated to 1.5KV magnetic surge protection.
    Environmental Specifications
    • Air temperature
      • System On -37 to 74° C
      • System Off -40 to 85° C
    • Operating Humidity (non-condensing) 5% to 95%
    • Altitude 0 to 10,000 Feet
      3,048 m
    • Heat Output 5.3 BTU/Hr
    • MTBF (Mean Time Between Failures) 58.8 Years

    Serial Communications

    • Connector Type DB9 Male
    • Number of Ports 2
    • Software Interfaces RS-232
      RS-485 2-Wire
      RS-485 4-Wire (Master/Slave)
    • Baud Rate 300 to 230.4Kbps
      • Receive Buffer 1024bytes
      • Transmit Buffer 256bytes
    • Device Driver Data Control
      • Data Bits 7 or 8
      • Parity odd, even, or none
      • Stop Bits 1 or 2
      • Flow Control Hardware, Software, or None

    Communication Modes

    • Modbus TCP/RTU/ASCII to raw/ASCII Serial or Ethernet TCP/IP
    • Modbus/TCP to Modbus RTU/ASCII
    • Modbus RTU/ASCII (Auto Locate and Auto Route)
    • Raw/ASCII Data Stream and Command/Response Modes
    • Remote Modbus TCP/RTU/ASCII
    Ethernet Specifications
    • Network Protocols ARP, BOOTP, DHCP, HTTP, ICMP, Ping, RARP, RFC 1006 (ISO over TCP), RFC 2217, SNMP (MIB-II), TCP/IP, Telnet, TFTP, and UDP socket services
    • Connector Type RJ45F Auto MDI/MDI-X
    Export Information
    • Packaged Shipping Weight 1.0lbs
      0.45 kg
    • Package Dimensions 9.25" x 2.5" x 7.25"
      235 x 63.5 x 184.2 mm
    • UPC Code 7-56727-99552-4
    • Country of Origin USA
    • ECCN 5A992
    • Schedule B Number 8471.80.1000
    Regulatory Approvals
    • Emissions FCC Part 15 Subpart B: Class A limit
      AS/NZS CISPR 22
      European Standard EN55022
      Canadian EMC requirements
    • Immunity EN55024
      IEC 1000-4-2/EN61000-4-2: ESD
      IEC 1000-4-3/EN61000-4-3: RF
      IEC 1000-4-4/EN61000-4-4: Fast Transient
      IEC 1000-4-5/EN61000-4-5: Surge
      IEC 1000-4-6/EN61000-4-6: Conducted Disturbance
      IEC 1000-4-8/EN61000-4-8: Magnetic Field
      IEC 1000-4-11/EN61000-4-11: Dips and Voltage Variations
    • Safety IEC 60950/EN60950 (LISTED)
      CSA C22.2 No. 60950/UL60950 Third Edition
    • Other Regulatory Approvals European Standard: RoHS 2 Compliant under CE

    • Pinout Diagram

    Find a Distributor

    » Industrial Distributors
    » North American Distributors
    » International Distributors

    Pre-Sales Questions

    Comtrol's Pre-sales Team
    For sales questions or to locate a reseller near you.

    +1-800-926-6876 (1-800-Go Rocket)
    Fax: +1-763-957-6001

    Comtrol's Industrial Automation Sales
    For sales questions or to locate an industrial distributor near you.

    +1-800-926-6876 (1-800-Go Rocket)
    Fax: +1-763-957-6001

    DocumentDescriptionDownload File
    DeviceMaster ® MOD-2102 User GuideContains detailed installation procedures and configuration information.
    Product Support and Service Information

    Part Number: 99552-4

    Sales Support

    Call +1.763.957.6000, or e-mail

    Technical Support

    For technical assistance, our U.S.-based technical support team is only a phone call away.

    Call +1.763.957.6000, or visit our forum .


    Comtrol offers a 30-Day satisfaction guarantee and a 5-year limited warranty on all DeviceMaster Universal Protocol family products!View Warranty

    Extended Warranty Available

    Software & Drivers
    » Comtrol FTP Site