DeviceMaster ® UP 16 Modbus

The RS-232/422/485 software-selectable DeviceMaster UP 16-port Modbus device server is designed for network-enabling serial communications devices

Part Number: 99582-1

PortVision DXweb


Taking Modbus connectivity to new heights, Comtrol introduces the DeviceMaster UP 16-Port Modbus gateway. Built on a compact, low-profile housing, it packs both port density and advanced Modbus connectivity features designed to simplify even the most challenging installations. Loaded with the latest Modbus Router firmware, this is the most advanced Modbus gateway on the market today.

  • Features all capabilities of the Modbus Router application
  • Configuration and comprehensive diagnostics available via on-board web server
  • Low profile - compact housing facilitates easy installation and mounting
  • 16 RS-232/422/485 software selectable ports with termination resistors
  • Dual 10/100 Fast Ethernet ports
  • PortVision® DX Windows software for quick setup and remote management
  • RoHS 2 compliant under CE

View the DeviceMaster UP Modbus Solutions Page


A highly advanced Modbus gateway with a vast array of Modbus connectivity options - The DeviceMaster UP 16 Modbus is designed to simplify installation and maintenance of even the most complex Modbus applications.

DeviceMaster UP 16-Port with Modbus Router


View Engineering Drawing


View Pinout Diagrams


  • DeviceMaster UP 16 Modbus
  • Power Supply
  • US Power Cord
  • Euro Power Cord
  • Terminal Block Plug
  • Bumpers
  • Loopback plug
  • Bus Interface Specification10/100BASE-T Ethernet
  • Memory
    • SDRAM16 MB
    • Flash8 MB
  • EnclosureBlack Finished Steel
  • Installation MethodPanel mountable
  • LED IndicatorsPower, Status, Ethernet Link/Activity per port, Serial Link/Activity per port
  • Dimensions11.5" x 1.5" x 5.5"
    292 x 38 x 140 mm
  • Product Weight2.45 lbs
    1.11 kg
Electrical Specifications
  • Input Voltage Requirements 9-30VDC
  • Power Consumption4.5 Watts
    • Comtrol External Power Supply(included)
    • Input90-264VAC @ 47-63Hz
    • Output24VDC @ 500mA
  • ESD Surge ProtectionProvides minimum of 15KV protection on all serial lines. All Ethernet components are rated to 1.5KV magnetic surge protection.
Environmental Specifications
  • Air Temperature
    • System On 0° to 60°C
    • System Off-40° to 85°C
  • Operating Humidity0% to 95%
  • Altitude10,000 ft
    3,048 m
  • Mean time between failures (MTBF)39.1 years

Serial Communications

  • Connector TypeRJ45
  • Number of Ports16
  • Serial InterfacesRS-232
    RS-485, 4-wire, Slave
    RS-485, 2-wire
  • Terminal Resistor for RS-422/485Software controllable 120Ω termination resistors available for each transmit and receive differential pair on every port. The 120Ω termination resistors can be enabled between TX+ and TX- OR RX+ and RX- or both on every port.
  • Baud Rate300bps to 230Kbps
  • Receive Buffer4.5 KB
  • Transmit Bufferr4.5 KB
  • Device Driver Data Control
    • Data Bits*5, 6, 7, or 8
    • Parity**Odd, Even, Mark, Space, or none
    • Stop Bits***1, 1.5, or 2
    • * Data bits 5, 6 are supported only in RFC2217 and socket mode
      ** Mark, Space parity are supported only in RFC2217 and socket mode
      *** Stop bit 1.5 is supported only when used with 5 data bits
Communication Modes: Modbus Router
  • Supported ControllersModbus/TCP Masters
    Modbus/RTU and Modbus/ASCII serial masters
    Modbus/RTU and Modbus/ASCII over Ethernet TCP/IP masters
  • Supported DevicesModbus/TCP slaves
    Modbus/RTU and Modbus/ASCII serial slaves
    Both remote Modbus serial slaves and raw/ASCII devices (with additional gateways)
Ethernet Specification
  • Number of Ports2
  • Speed10/100Mbps
  • Connector TypeRJ45 Auto MDI/MDI-X
  • Ethernet specific featuresEthernet packet switching, auto negotiation, Link/Activity Status LED
  • Network ProtocolsARP, BOOTP, DHCP/RARP, HTTP, HTTPS, SSH, SSL/TLS, ICMP, RFC 1006 (ISO over TCP), SNMP (MIB-II), TCP/IP & UDP socket services, Telnet, and TFTP, and supports IP multicast data transmission
  • SNMP SupportMonitoring only
  • Other Software FeaturesLowest Latency
    NS-Link COM/TTY port redirector
    TCP/IP & UDP Socket Services
    Telnet/RFC2217 COM Port Control
    PortVision DX remote management
  • Manufacturer's Warranty5 Years
Export Information
  • Packaged Shipping Weight4.85 lbs
    2.2 kg
  • Package Dimensions14.9" x 4" x 10.9"
    378.5 x 101.6 x 276.9 mm
  • UPC Code7-56727-99582-1
  • Country of OriginUSA
  • ECCN5A992
  • Schedule B Number8471.80.1000
Device Drivers
  • Device DriversMicrosoft® Windows® 7
    Microsoft® Windows® 2008 Server
    Microsoft® Windows® Vista
    Microsoft® Windows Server® 2003
    Microsoft® Windows® XP

Regulatory Standards

  • EmmissionsFCC Part 15 Subpart B - Class A limit
    Canadian EMC Requirements: ICES-003
    European Standard EN55022
  • ImmunityEuropean Standard EN55024:
    IEC61000-4-2/EN61000-4-2: ESD
    IEC61000-4-3/EN61000-4-3: RF
    IEC61000-4-4/EN61000-4-4: Fast Transient/Burst
    IEC61000-4-5/EN61000-4-5: Surge
    IEC61000-4-6/EN61000-4-6: Conducted Disurbance
    IEC61000-4-8/EN61000-4-8: Magnetic Field
    IEC61000-4-11/EN61000-4-11: Voltage dips and variations
  • SafetyIEC 60950/EN60950 (LISTED)
    CSA C22.2 No. 60950/UL60950 Third Edition
  • OtherRoHS 2 Compliant
Regulatory Approvals
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 ® UP 16 Modbus User GuideContains detailed installation procedures and configuration information.
Product Support and Service Information

Part Number: 99582-1

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 RTS family products!

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Extended Warranty Available

Software & Drivers
» Comtrol FTP Site