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HE800WCM900

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HORNER HE800WCM900 is a 900 MHz SmartStack radio module for carrying OCS/RCS RS-232 serial data over frequency-hopping wireless links.
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Technical specifications for HE800WCM900

  • Manufacturer:
    HORNER
  • Part Number:
    HE800WCM900
  • Product Family:
    HORNER
  • Product Type:
    Wireless Communications Module
  • Stock:
    1
  • Frequency Range:
    902-928 MHz ISM band
  • Spread Spectrum:
    Frequency hopping, wide-band FM
  • Interface Data Rate:
    10-57600 bps, software selectable
  • Throughput Data Rate:
    9600 bps
  • Transmit Power Output:
    100 mW
  • Receiver Sensitivity:
    -110 dBm
  • Network Topology:
    Peer-to-peer; point-to-point; point-to-multipoint; multidrop
  • Operating Temperature:
    0 to 60 °C
  • Antenna Connector:
    RPSMA (reverse-polarity SMA)
  • Weight:
    0.441 lbs (0.2 kg)
  • Tariff Code:
    8517623400
  • 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 Flow Control Network Setup Safety Applications

Features:

  • Metal-case SmartStack radio for the 902–928 MHz ISM band
  • External RS-232 data connection for compatible OCS/RCS controllers
  • Peer, point-to-point, point-to-multipoint and multidrop network support
The HORNER HE800WCM900 order number identifies the metal-case SmartStack WCM900 supplied with an indoor articulating RPSMA antenna.

Incoming serial characters are buffered, packetized and transferred across a frequency-hopping radio channel to another compatible WCM900 endpoint.

System matching requires the external controller cable, a supported OCS/RCS host and identical network parameters at communicating radios. OCS250 installations require WCM900 Revision B or later.

The HORNER HE800WCM900 Wireless Communications Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
HORNER HE800WCM900 Wireless Communications Module Manuals,Datasheets,LinkImportant 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 Buffer Management

  • Input pacing: Smaller messages or an interface rate below the fixed RF data rate reduce the chance of filling the DI buffer.
  • Hardware pause: The DO2 line can tell the host to stop sending as the DI buffer approaches its configured threshold.
  • Output restraint: Enabling DI2 flow control holds data in the DO buffer while the host is not ready to receive it.
  • ASCII handling: The FL command enables XON/XOFF control only for serial payloads that use ASCII data.

Packet Addressing and Persistence

  • VID layer: The module rejects traffic whose vendor identification value does not match the configured network.
  • Hop sequence: Communicating radios use the same hopping-channel number so their frequency sequence remains synchronized.
  • Destination filter: The destination address controls which synchronized receiver sends packet data to its serial port.
  • Integrity check: A 16-bit CRC is calculated for every RF packet, and a packet with an invalid result is discarded.
  • Saved settings: The WR command stores revised parameters in non-volatile memory for use after the next power cycle.

Antenna and RF Installation

  • Indoor antenna: The articulating antenna supplied with the WCM900 is not approved by the manufacturer for outdoor mounting.
  • Remote mounting: HORNER antenna kits extend the RPSMA connection to a bulkhead-mounted indoor/outdoor antenna.
  • Cable loss: The manufacturer recommends keeping the RF extension cable as short as the installation permits.
  • Certified assembly: Antenna choice, RF exposure separation and final-equipment labeling remain part of the integrator's compliance work.

Wireless Serial Deployment

  • Controller link: Two compatible WCM900 endpoints carry asynchronous serial messages between separate OCS/RCS stations.
  • Shared radio path: Point-to-multipoint and multidrop arrangements distribute addressed traffic among several serial nodes.
  • PC connection: A FOX104 base supplies mounting and power while a computer communicates through the WCM900 RS-232 port.
Description
The HORNER HE800WCM900 is the metal-case SmartStack WCM900 module for 902–928 MHz frequency-hopping serial links. SmartStack supplies mounting and power, while an external RS-232 cable carries data between the module and the OCS/RCS port.

Network operation for HORNER HE800WCM900 supports peer-to-peer, point-to-point, point-to-multipoint and multidrop layouts. VID, hopping-channel and destination filters identify intended packets, and CRC checking prevents invalid packets from reaching the host.

The supplied articulating antenna for HORNER HE800WCM900 is intended for indoor installation. A compatible WCM900 endpoint is required, WCM802 and WCM910 radios are not interoperable, and OCS250 systems require Revision B or later.
Alternative Names
HE800-WCM900 HE800 WCM900 HE 800 WCM 900 HORNER HE800WCM900 Horner APG HE800WCM900 Horner SmartStack WCM900 Horner WCM900 900 MHz Radio Module
Technical notes
HORNER HE800WCM900 is a metal-case 902-928 MHz SmartStack radio module with 100 mW transmit power and RS-232 access through an external cable. OCS250 installations require Revision B or later.
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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.
Why does HORNER HE800WCM900 power on but no serial data reaches the OCS/RCS?
HORNER HE800WCM900 receives power from its SmartStack position, but serial traffic does not pass through the controller backplane. Connect the OCS/RCS RS-232 port to HORNER HE800WCM900 with the specified external cable, then verify transmit/receive wiring and matching serial settings.
Why cannot HORNER HE800WCM900 establish a radio link with HE800WCM802 or HE200WCM910?
HORNER HE800WCM900 is a 900 MHz WCM900-family radio and is not compatible with the WCM802 or WCM910 families. Pair HORNER HE800WCM900 only with a compatible WCM900 endpoint and match its VID, hopping channel and destination address.
Why does HORNER HE800WCM900 fail in an OCS250 installation?
HORNER HE800WCM900 must be Revision B or later for use with OCS250. Confirm the hardware revision, keep HORNER HE800WCM900 in a supported SmartStack position and use the required external RS-232 connection.
How can dropped serial data be reduced when HORNER HE800WCM900 carries sustained traffic?
HORNER HE800WCM900 can lose data if its serial buffers fill because the host interface and RF path are not paced correctly. Use smaller messages, reduce the interface rate or enable the documented hardware flow control; XON/XOFF is available only for ASCII data.
Why do changed settings on HORNER HE800WCM900 disappear after power is cycled?
HORNER HE800WCM900 restores the last saved parameters when power returns. After changing its address, channel or serial settings in command mode, issue the WR command so HORNER HE800WCM900 stores the new values in non-volatile memory.
What should be checked before the antenna for HORNER HE800WCM900 is mounted outside a panel?
The articulating antenna supplied with HORNER HE800WCM900 is intended for indoor mounting. For HORNER HE800WCM900, select an appropriate approved antenna arrangement, preserve the required RF exposure separation and keep the RF extension cable as short as practical.