AB 1203-CN1
AB 1203-CN1
AB 1203-CN1
AB 1203-CN1
AB 1203-CN1
AB 1203-CN1
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1203-CN1

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Allen-Bradley 1203-CN1 connects one SCANport-compatible drive or peripheral to a ControlNet network in an externally powered DIN-rail communications module.
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Technical specifications for 1203-CN1

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1203-CN1
  • Product Family:
    1203 Communication Modules
  • Product Type:
    ControlNet-to-SCANport Communications Module
  • Stock:
    1
  • Network Interface:
    ControlNet
  • Device Interface:
    One SCANport connection
  • Supply:
    24V DC; 250 mA maximum
  • Dimensions:
    9.95 × 6.84 × 9.0 cm
  • Operating Temperature:
    0 to 55°C
  • Storage Temperature:
    -40 to 85°C
  • Mounting:
    35 mm DIN rail
  • Approvals:
    UL and cUL as listed in the official manual
  • Weight:
    0.2367 kg
  • Tariff Code:
    8537101190
  • 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 ControlNet Setup SCANport Interface Diagnostics Application
  • ControlNet network connection for one SCANport-compatible device
  • DIN-rail package with documented 24V DC power requirements
  • Official dimensions, weight, environmental limits, and agency approvals

Allen-Bradley 1203-CN1 provides a digital communication path between a ControlNet network and one SCANport-compatible device.

Correct operation depends on external 24V DC power, compliant ControlNet media, a valid node address, EDS information, and a compatible SCANport cable and host device.

Before replacement, preserve network scheduling, I/O mapping, adapter configuration, firmware details, and the connected drive parameter set.

Availability, condition, price, and shipping time for 1203-CN1 are confirmed during quotation.

Allen-Bradley 1203-CN1 Communications Module 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.

  • Set and document the unique network node address
  • Use compliant taps, trunk cable, connectors, and terminators
  • Install the correct EDS and update the network schedule
  • Connect one supported SCANport-compatible device
  • Use the specified cable and avoid unsupported peripheral loading
  • Back up device parameters before adapter replacement
  • Check adapter, network, and SCANport status indicators
  • Separate media faults from configuration or drive faults
  • Commission cyclic data and control words with the process safe
  • ControlNet start, stop, command, and speed-reference control of SCANport drives
  • Scheduled drive status and feedback exchange with ControlNet controllers
  • ControlNet explicit-message access to supported SCANport drive parameters and diagnostics
Description
Allen-Bradley 1203-CN1 is a ControlNet-to-SCANport communications module for connecting one compatible drive or peripheral to a ControlNet network. It uses a compact DIN-rail enclosure and requires external 24V DC power.

Successful integration depends on a unique node address, compliant ControlNet cabling and termination, the correct EDS information, a scheduled network connection, and a supported SCANport device. The official manual also defines environmental limits, clearances, grounding, dimensions, and weight.

Before replacement, save the ControlNet schedule, I/O mapping, adapter settings, drive parameters, firmware information, and cable details. After installation, verify network status, SCANport communication, command and reference scaling, feedback data, and the machine safe-state response.
Alternative Names
1203-CN1 1203CN1 1203 CN1 Allen-Bradley 1203-CN1 Allen Bradley 1203-CN1 AB 1203-CN1 Rockwell Automation 1203-CN1
Technical notes
Allen-Bradley 1203-CN1 requires 24V DC, correct ControlNet media and scheduling, a compatible SCANport device, EDS configuration, grounding, and controlled commissioning.
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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.
Does 1203-CN1 replace a drive communication adapter?
It is a gateway between ControlNet and one SCANport device; verify the host device, network schedule, and supported data arrangement before substitution.
Can 1203-CN1 be added to an existing ControlNet network without rescheduling it?
Not for scheduled I/O. Install the correct EDS, assign an unused node, define the I/O connection, update the network schedule, and download it under controlled process conditions.
Can 1203-CN1 connect to any Allen-Bradley drive?
No. The drive must provide a compatible SCANport interface. Confirm the drive model, port availability, firmware, and supported data arrangement before installation.
Can 1203-CN1 be mounted outside an enclosure?
The module requires the environmental protection and clearances specified by the OEM; use an appropriate industrial enclosure and DIN rail.
What should be checked if ControlNet is healthy but the drive is offline for 1203-CN1?
Check the SCANport cable, compatible device port, adapter status, power, data configuration, and whether another peripheral is occupying an unsupported connection.
Must ControlNet media be terminated for 1203-CN1?
Yes. Follow ControlNet trunk, tap, connector, and termination rules; media faults cannot be corrected by changing only software configuration.
What should be saved before replacing 1203-CN1?
Record the node address, network schedule, EDS revision, I/O mapping, SCANport device parameters, cable routing, and firmware information.