Saelig Company Inc - Pittsford, NY
Distributor, Manufacturer, Custom Manufacturer
Distributor of UDP/IP controlled digital Input/Output module including ether digital I/O module. Features include three 8-bit ports with each line independently programmable as input or output & 5 V level signal lines. Modules connect to Ethernet network supporting TCP/IP protocol suite & communicate with any point on network. By connecting with internet router device can communicate with internet connected device.

Measurement Computing Corp. - Norton, MA
Manufacturer
Custom manufacturer of serial I/O modules. Serial I/O modules include 14 & 16 bit resolution analog output, counter-timer, high-voltage & parallel digital I/O, & CB-COM communication interfaces.

ABB USA - Norwalk, CT
Manufacturer
Manufacturer & service of power & automation products & systems. Industrial robots, robot software, peripheral equipment, modular manufacturing cells & service for tasks such as welding, handling, assembly, painting & finishing, picking, packing, palletizing & machine tending. Markets include automotive, plastics, metal fabrication, foundry, electronics, machine tools, pharmaceutical & food & beverage industries. Process automation for the oil & gas, power, chemicals & pharmaceuticals, pulp & paper, metals & minerals, marine & turbocharging industries.

Power/Mation - Saint Paul, MN
Distributor, Custom Manufacturer
Distributor of solid state relays & I/O modules. Specifications of solid state relays include DC voltage ranging from 4 V to 32 V, AC input voltage ranging from 100 V to 660 V, operating ambient temperature ranging from minus 30 degrees C to 70 degrees C, bias resistance is 1500 ohms & current ranging from 10 A to 75 A. Features include LED output indicator, optically isolated, color coded & TTL compatible. I/O modules are available in yellow & white color. UL listed. CSA approved. CE listed.
Brand Names: APEX, Brad Harrison, Continental Industries/Eurotherm, Control Techniques, Control Technology...

Chassis Plans - San Diego, CA
Manufacturer, Custom Manufacturer
Manufacturer of standard & custom opto-isolated digital I/O relay modules. Modules feature slim design, screw terminals for interfacing to field wiring, edge connectors for interface to digital I/O cards via ribbon cable, alumina substrate for heat dissipation & DC input, DC output, AC input & AC output functions. Specifications include 4000V optical isolation, 8 pico-farad input-to-output capacitance, 1.70 in. length & 0.43 in. width, minus 30 degree C to 80 degree C operating temperature & minus 40 degree C to 100 degree C storage temperature. I/O modules are used as power control & voltage monitoring interface between high level DC or AC lines & transistor–transistor logic levels. RoHS compliant. Meets Military Spec.

ICP DAS USA, Inc. - Harbor City, CA
Manufacturer, Custom Manufacturer
ISO 9001:2000 certified custom manufacturer of remote I/O modules such as Modbus TCP, Modbus RTU & standard RS-485 modules. Modules are available in a bevy of thermistor, thermocouple, RTD, strain gauge & universal I/O, as well as high resolution analog output modules.

Extreme Components, Inc - Eatontown, NJ
Distributor, Custom Manufacturer
Distributor of I/O modules. Prototypes are also available. Services available include taping & reeling bulk products, product functionality testing, solderability testing, product programming, dry packing & baking, custom packing & shipping. Meet RoHS specification.

Weidmuller USA, Inc. - Richmond, VA
Manufacturer, Custom Manufacturer
Standard & Custom DIN-Rail Mounted Interface Modules; Including Signal Converters, Signal Conditioners, Surge Suppressors & Power Supplies

Lutze, Inc. - Charlotte, NC
Manufacturer
Manufacturer of I/O modules. Products include diode and resistor nodules, relay base modules, semiconductor switches, relay couplers, function relays, transducers and more. Other products include control cables, wiring systems, interface and suppression technology, power supplies, field bus technology and network controlled Ethernet. Application support is provided with all products.

ioSelect, Inc - San Diego, CA
Manufacturer, Service Company
Manufacturer of wireless distributed I/O modules. Features include 900MHz FHSS radios at up to 1 watt of power, 1500V 3-way isolation on all I/O channels, LED status for RSSI and communications, point-to-point and point-to-multipoint, and DIN mount packaging

BCS Motion, Inc. - Exton, PA
Distributor
Distributor of digital I/O bus coupler modules. Adaptation to the fieldbus specified by the operator, by simple latching of the corresponding coupler or controller to the wired bus terminals.
Brand Names: WAGO

Control Technology Inc. - Knoxville, TN
Manufacturer
Analog & discreet I/O modules for TI505 PLC. Communication & operator interface products for industrial computers & PLCs.

Industrial Control Links, Inc. (ICL) - Auburn, CA
Manufacturer
Process Control, Data Acquisition & Communications Equipment, Primarily Serving The SCADA & Process Control Needs Of The Water, Gas & Oil Markets

Calex - Concord, CA
Custom Manufacturer
ISO 9001:2000 certified custom manufacturer of I/O modules. Types of I/O modules include channel converters, dual channel PLC AC & DC detector, analog to frequency, frequency to analog, thermocouple to frequency, RTD to frequency, strain gage to frequency, & magnetic pickup to PLC counter modules. Specifications of modules include 700 VDC isolation voltage. Applications include PLC discrete automation, single channel or mixed I/O requirements. Modules are available with 5-year warranty. UL listed & CSA certified. RoHS compliant.

Digi Embedded Solutions - Davis, CA
Manufacturer
Manufacturer of core modules such as I/O modules, logic modules, memory modules, & SRAM modules. Features include microprocessor clock speed of up to 44.2 MHz, up to 512 K flash & SRAM, 4 or 8 Mb extended flash memory, back up battery, LED indicator, 43 configurable I/O, auxiliary I/O bus, & operating temperature from minus 40 to 70 degrees C. Optional software bundles such as HTTP/HTML development extensions, flash based file systems, & HTTPS security for 8-bit embedded devices are also available.
Brand Names: RabbitCore

Mini-Circuits Distribution Center - Branson, MO
Manufacturer
USB I/O control Box with HID device compatible feature, general purpose USB controller and module requires no external power adaptor equipped with CD software.Certified ISO 9001, RHoS & environmental compliance ISO 14001, & aerospace AS 9100 certified.

Vb-Controls - Naperville, IL
Manufacturer
Solid State Relays, Contactors, Motor Starters, Thyristors

Icop Technology Inc. - El Monte, CA
Manufacturer
48-Bit Digital

Opto 22 - Temecula, CA
Manufacturer
Manufacturer of analog, digital & serial I/O modules.

VersaLogic Corp. - Eugene, OR
Manufacturer, Custom Manufacturer
Custom manufacturer of 48-channel digital I/O modules with fully buffered I/O lines. Specifications of I/O modules include 3.5 in. x 3.775 in. board size, PC/104 compatibility, two 50-pin I/O connectors, minus 20 degrees C to plus 85 degrees C storage temperature, 0 degrees C to 60 degrees C operating temperature & plus 5 V, 90 mA power requirement. Features of I/O modules include fully buffered high-current TTL lines, rising/falling edge interrupt triggering, output status readback, compatibility with opto 22 I/O rack plug & jumper selectable interrupts.

Xembedded, Inc., a 3Sixty Group Co. - Ann Arbor, MI
Manufacturer
Manufacturer of PC-based VME CPU modules. Processor & I/O VME boards are used in machine control, test & data acquisition application, medical equipment, automotive test & assembly, robots, scanning equipment, semi-conductor manufacturing, homeland security, military, industrial welders, power generation & high-speed packaging applications.

Acces I/O Products - San Diego, CA
Manufacturer
Analog & Digital I/O Cards, Serial Communication Cards

Extreme Engineering Solutions (X-ES) - Middleton, WI
Manufacturer, Service Company
Products include high-performance single board computers, ruggedized extended temperature systems, telecom modules, serial I/O, test fixtures & backplanes.

CNC Engineering, Inc. - Enfield, CT
Distributor, Manufacturer, Service Company
Distributor of I/O modules. Servo and spindle motors, drives, printed circuit boards, monitors, robot parts and power supplies are also available.

Moog Animatics - Santa Clara, CA
Manufacturer, Custom Manufacturer
Custom manufacturer of modules including display, LED, I/O & LCD modules. Modules are available with a two line & four line display & characters include 96 ASCII & Japanese characters & 32 special symbols. Two years warranty.