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          Apter Power can provide pricing information and access to relevant GE Fanuc documentation for IC630CCM390 procurement inquiries.

        IC630CCM390

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        General Electric IC630CCM390 is an RS-232 Adapter Unit that connects a Series Three communications module's RS-422 port to RS-232 hosts, modems, or Workmaster equipment.
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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        Technical specifications for IC630CCM390

        • Manufacturer:
          General Electric
        • Part Number:
          IC630CCM390
        • Product Family:
          GE Intelligent Platforms
        • Product Type:
          RS-232 Adapter Unit
        • Stock:
          1
        • Series:
          Series Three PLC
        • Product Function:
          RS-422-to-RS-232 interface
        • RS-422 Connector:
          J1, 25-pin female
        • RS-232 Connector:
          J2, 25-pin female
        • Controller Interface:
          Series Three DCM or Series One DCU
        • Host Equipment:
          Workmaster computer or modem-equipped host
        • GE Workmaster Cable:
          IC630CBL390B, 3 ft (1 m)
        • GE DCM Adapter Cable:
          IC630CBL392A, 10 ft (3 m)
        • Point-to-Point Termination:
          150 ohms
        • Terminated RS-422 Length:
          10 to 4000 ft
        • Handshake Signals:
          RTS and CTS
        • Tariff Code:
          8517629900
        • Country of origin:
          USA
        • Place of shipment:
          Xiamen,Fujian,China
        By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

        More Information

        Overview Manuals Host Routes Cable Details Handshake Link Setup

        Features:

        • Accepts a 25-pin male D-type mating connector at each female serial port.
        • Supports recommended RS-422 cabling at distances up to 4000 ft (1200 m) and 19.2 kbps.
        • Maintains a defined marking state when a compatible fail-safe line receiver encounters an idle, open, or shorted link.
        IC630CCM390 maps the controller communication signals to the RS-422 standard names used for differential pairs, with B and B-prime representing the positive transmit and receive sides and A and A-prime representing the negative sides.

        The mating-connector assembly includes a strain-relief point that can be secured with friction tape or a plastic cable tie. Belden 9184, Belden 9302, and NEC 22P15LCBT are identified as acceptable cable choices for the differential portion of the channel.

        When the connected master is not a Series Six device, its line receiver must provide fail-safe behavior so an idle, open, or shorted condition resolves to the marking state rather than an undefined input.

        Apter Power can assist with pricing and documentation access for the General Electric IC630CCM390 RS-232 Adapter Unit used in established serial-communication paths.
        General Electric IC630CCM390 RS-232 Adapter Unit Manuals, Datasheets, Links Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

        Serial routes built around the adapter

        • Workmaster path: IC630CCM390 connects the DCM or DCU side to the 9-pin RS-232 port on a Workmaster Combination Adapter Card.
        • Direct alternative: A Workmaster fitted with the optional IC640BGB311A Asynchronous/Joystick Interface Card can connect directly to the controller RS-422 port without the adapter path.
        • Modem channel: Point-to-point diagrams place IC630CCM390 between the differential controller cable and the single-ended modem interface.
        • Signal continuity: Receive, transmit, request-to-send, clear-to-send, and ground relationships remain defined across the conversion path.

        Approved cables and connector roles

        • Host-side lead: IC630CBL390B is the 3 ft (1 m) cable from a Workmaster serial port to IC630CCM390.
        • Controller-side lead: IC630CBL392A is the 10 ft (3 m) cable from a DCU or DCM to the adapter unit.
        • Differential cable: Belden 9184, Belden 9302, or NEC 22P15LCBT provides an acceptable RS-422 cable construction.
        • Mating hardware: The female 25-pin communication ports accept male D-type connectors assembled with strain relief.

        RTS and CTS behavior on modem links

        • Idle condition: The controller-side handshake output remains false while no data transmission is requested.
        • Transmit request: A command to send data drives RTS true before the configured turnaround delay is applied.
        • Clearance check: Transmission begins only after CTS is true at the end of the optional delay.
        • Interrupted clearance: If CTS becomes false during a message, transfer stops at a character boundary and waits for CTS to return.
        • Cycle completion: RTS returns false after the data block, and a flow-control device must also return CTS false.

        Conditions for a stable RS-422 segment

        • Common reference: Ground the controller module and the connected device to a common point to avoid equipment damage.
        • Pair assignment: Keep both transmit conductors in one twisted pair and both receive conductors in the other pair to control crosstalk.
        • Point-to-point end: Place the supplied 150-ohm resistor across the receive-data pair for links from 10 to 4000 ft.
        • Multidrop ends: Terminate only the first and last drops; the last active receiver may require 120 to 240 ohms according to distance and drop count.
        • Daisy-chain continuity: Use the in/out connector paths for intermediate drops instead of adding terminal strips along the transmission line.
        Description
        General Electric IC630CCM390 is the RS-232 Adapter Unit used in Series One and Series Three serial-communications arrangements. Its two 25-pin female ports provide a path between the differential RS-422 signals used by a DCU or DCM and equipment that communicates through RS-232.

        On IC630CCM390, J1 is the RS-422 side and J2 is the RS-232 side. The adapter can sit between a Series Three Data Communications Module and either a modem path or a Workmaster computer operating as a host while preserving the transmit, receive, RTS, CTS, and ground relationships across the interface.

        IC630CBL392A is the 10 ft (3 m) cable used from a DCU or DCM to the adapter, while IC630CBL390B is the 3 ft (1 m) Workmaster-to-adapter cable. These defined cable roles help distinguish the two sides of IC630CCM390 before a host connection is commissioned.

        Reliable operation with IC630CCM390 depends on the surrounding RS-422 wiring. The transmit conductors and receive conductors should remain in their respective twisted pairs, both connected devices should share a common grounding point, and the receive line should use the required termination. Where modem control does not use RTS and CTS, those signals are jumpered at the DCU/DCM connector or at the adapter's RS-232 connector.
        Revisions

        Revision Part #

        Also known as

        IC630CCM390B
        IC630CCM390-B, Series B, Rev B
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        Alternative Names
        IC630 CCM390 RS-232 Adapter Unit IC630-CCM390 Series Three Interface Adapter GE Fanuc IC630CCM390 Communications Adapter General Electric IC630CCM390 RS-422 Converter IC630CCM390B RS-232 Adapter Series Three IC630CCM390 Interface Unit GE IC630CCM390 Workmaster Adapter IC630CCM390 Serial Communications Adapter
        Technical notes
        Before connecting IC630CCM390, confirm the J1/J2 cable roles, keep the RS-422 transmit and receive conductors in separate twisted pairs, use a common grounding point, and match the receive-line termination to the documented link.
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        FAQS

        The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
        VIEW ALL FAQS
        What should be checked when IC630CCM390 does not pass data between the controller and an RS-232 host?
        For IC630CCM390, verify that the DCM or DCU is connected to J1 on the RS-422 side and the host is connected to J2 on the RS-232 side. Then check the cable pinout, common ground, twisted-pair assignment, and receive-line termination before changing protocol settings.
        Which GE cables are documented around an IC630CCM390 Workmaster connection?
        Use IC630CBL392A as the 10 ft (3 m) cable between the DCM or DCU and IC630CCM390, and use IC630CBL390B as the 3 ft (1 m) cable between IC630CCM390 and the Workmaster serial port.
        How should RTS and CTS be handled when IC630CCM390 is not controlling a modem?
        When modem control is not using RTS and CTS, jumper those signals at the DCU or DCM connector or at the RS-232 connector of IC630CCM390. Confirm the intended handshake arrangement before energizing the link.
        Where should the RS-422 terminating resistor be installed for IC630CCM390?
        For a point-to-point RS-422 path using IC630CCM390, terminate the receive-data pair at either end of the link. The supplied 150-ohm resistor supports documented point-to-point cable lengths from 10 to 4000 ft; intermediate multidrop nodes are not terminated.
        Why does twisted-pair assignment matter on the RS-422 side of IC630CCM390?
        The transmit conductors associated with IC630CCM390 should form one twisted pair and the receive conductors should form the other. Mixing conductors between pairs can introduce crosstalk and reduce communication performance.
        What information should be recorded before changing IC630CCM390 wiring?
        Record the complete IC630CCM390 suffix, the J1 and J2 cable part numbers, host or modem type, connector pinout, RTS/CTS use, grounding point, termination location, and total RS-422 length so the existing communication path can be reproduced.

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