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HORNER HE800WCM802 Supplement Manual

Smartstack wireless communication oem rf modem
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Supplement for
HE800WCM802 and HE800WCM900
HE-WCM802* and HE-WCM900*
(* Denotes Plastic Models)
SmartStack
Wireless Communication
OEM RF Modem
20 June 2005
MAN0789-01

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Summary of Contents for HORNER HE800WCM802

  • Page 1 Supplement for HE800WCM802 and HE800WCM900 HE-WCM802* and HE-WCM900* (* Denotes Plastic Models) SmartStack Wireless Communication OEM RF Modem 20 June 2005 MAN0789-01...
  • Page 2 PAGE 2           20 JUN 2005          WCM802/900 ...
  • Page 3 This manual explains how to use the SmartStack Wireless Communication OEM RF Modem (HE800WCM802/WCM900). Copyright (C) 2005 Horner APG, LLC., 640 North Sherman Drive Indianapolis, Indiana 46201. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior agreement and written permission of Horner APG, Inc.
  • Page 4 Due to the many variables and requirements associated with any particular installation, Horner APG cannot assume responsibility or liability for actual use based on the examples and diagrams. It is the sole responsibility of the system designer utilizing the WCM802 / WCM900 module to...

  • Page 5: Table Of Contents

    WCM802/900          20 JUN 2005                   PAGE 5  Contents  1. SmartStack Wireless Communication OEM RF Modems Features Worldwide Acceptance Specifications Pin Signals Electrical Characteristics Timing Specifications Mechanical Drawings 2. RF Operation Serial Communications UART-Interfaced Data Flow Flow Control Modes of Operation Idle Mode Transmit Mode...
  • Page 6 PAGE 6           20 JUN 2005          WCM802/900  NOTES...

  • Page 7: Smartstack Wireless Communication Oem Rf Modems

    1. SmartStack Wireless  Communication OEM RF Modems  The Horner SmartStack Wireless Communication OEM RF Modems (HE800WCM802 / HE800WCM900 /HE- WCM802* and HE-WCM900*) are drop-in wireless solutions that transfer a standard asynchronous serial data stream over-the-air between devices. The Wireless Communication Modems (WCM802 / WCM900) stand out in the...

  • Page 8: Specifications

    PAGE 8           20 JUN 2005                   WCM802/900  Specifications Table 1.1.  WCM802/WCM900 OEM RF Module Specifications  Specification WCM900 (900 MHz) OEM RF Module WCM802 (2.4 GHz) OEM RF Module Performance Indoor/Urban Range up to 1500’ (450 m) up to 600’ (180 m) Up to 7 miles (11 km) w/ dipole antenna Up to 3 miles (5 km) w/ dipole antenna Outdoor line-of-sight Range Up to 20 miles (32 km) w/ high-gain antenna...

  • Page 9: Pin Signals

    WCM802/900          20 JUN 2005              PAGE 9  Pin Signals Figure 1.1.  WCM802 / WCM900 OEM RF Module Pin Numbers (bottom view, pins protruding)  Table 1.2.  J1 Pin Signal Descriptions  (Low‐asserted signals distinguished with a horizontal line over signal name.)  Module Signal Name When Active Function (clear-to-send) flow control – When pin is driven low, UART host is permitted to send serial data to the module. Refer to the Serial Communications [p9] and CS Command DO2 / [p19] sections for more information.

  • Page 10: Electrical Characteristics

    PAGE 10           20 JUN 2005                   WCM802/900  Electrical Characteristics Figure 1.2.  System Block Diagram  Basic wireless link between hosts   The data flow sequence is initiated when the first byte of data is received in the DI Buffer of the transmitting module (WCM802 / WCM900 Module A). As long as WCM802 / WCM900 Module A is not already receiving RF data, data in the DI Buffer is packetized, then transmitted over-the-air to WCM802 / WCM900 Module B.

  • Page 11: Mechanical Drawings

    WCM802/900          20 JUN 2005              PAGE 11  Table 1.5.  DC Characteristics (Vcc = 4.75 – 5.25 VDC)  Symbol Parameter Condition Typical Units Input Low Voltage All input signals -0.5 0.3 * Vcc All except Input High Voltage 0.6 * Vcc Vcc + 0.5 Input High Voltage pin * 0.9 * Vcc Vcc + 0.5...

  • Page 12: 2. Rf Operation

    PAGE 12           20 JUN 2005                   WCM802/900  2. RF Operation  Serial Communications The WCM802 / WCM900 OEM RF Module interfaces to a host device through a CMOS-level asynchronous serial port. Through its serial port, the module can communicate with any UART voltage compatible device or through a level translator to any RS-232/485/422 device.

  • Page 13: Flow Control

    WCM802/900          20 JUN 2005              PAGE 13  Flow Control Figure 2.3.  Internal Data Flow Diagram (The five most commonly‐used pin signals shown.)     DI (Data In) Buffer and Flow Control When serial data enters the WCM802 / WCM900 Module through the DI Pin, then the data is stored in the DI Buffer until it can be transmitted. When the RO parameter threshold is satisfied (refer to Transmit Mode section [p11] and command descriptions [17] for more information), the module attempts to initialize an RF connection.

  • Page 14: Modes Of Operation

    PAGE 14           20 JUN 2005                   WCM802/900  Modes of Operation WCM802 / WCM900 OEM RF Modules operate in five modes. Figure 2.4.  WCM802 / WCM900 Modes of Operation  The module can only be in one mode at a time.  Idle Mode When not receiving or transmitting data, the module is in Idle Mode. The module uses the same amount of power in Idle Mode as it does in Receive Mode.
  • Page 15 WCM802/900          20 JUN 2005              PAGE 15  RF Packet Figure 2.6.  RF Packet Components  * When streaming multiple RF packets, the RF Initializer is only sent in front of the first packet. RF Initializer An RF initializer is sent each time a new connection sequence begins. The RF initializer contains channel information that notifies receiving modules of information such as the hopping pattern used by the transmitting module.

  • Page 16: Receive Mode

    PAGE 16           20 JUN 2005                   WCM802/900  Receive Mode If a module detects RF data while operating in Idle Mode, the module transitions into Receive Mode to start receiving RF packets. Figure 2.8.  Reception of RF Data    After a packet is received, the module checks the CRC (cyclic redundancy check) to ensure that the data was transmitted without error.

  • Page 17: Command Mode

    WCM802/900          20 JUN 2005              PAGE 17  Command Mode To modify or read module parameters, the module must first enter into Command Mode, the state in which incoming characters are interpreted as commands. Two command types are available for programming the module: •...
  • Page 18 PAGE 18           20 JUN 2005                   WCM802/900  Binary Commands Sending and receiving register values using binary commands is the fastest way to change the operating parameters of the module. Binary commands are used most often to sample the signal strength (RS command) and/or error counts or change module address and channels for polling systems when a quick response is necessary.

  • Page 19: 3. Advanced Programming

    System Response OK <CR> (Enter into Command Mode) ATDT <Enter> 0 <CR> (Read current destination address) ATDT1A0D <Enter> OK <CR> (Change destination address) Horner provides RADIOSET  ATWR <Enter> OK <CR> (Write to non-volatile memory) Software for  programming  ATCN <Enter> OK <CR> (Exit Command Mode) the module using AT ...

  • Page 20: Command Descriptions (Short)

    PAGE 20           20 JUN 2005                   WCM802/900  Command Descriptions (Short) Table 3.1.  WCM802 / WCM900 Commands   (The WCM802 / WCM900 Module expects numerical values in hexadecimal. “d” denotes decimal equivalent.)  Binary # Bytes Factory AT Command Name Range Command Category Command Command Returned Default 0x05 (5d) Guard Time After 0x02 – 0xFFFF [x 100 msec] Command Mode Options 0x0A (10d) 0x15 (21d)

  • Page 21: Command Descriptions (Long)

    WCM802/900          20 JUN 2005              PAGE 21  Command Descriptions (Long) Commands in this section are listed alphabetically. Command categories are designated between the “< >” symbols that follow each command title. WCM802 / WCM900 Modules expect numerical values in hexadecimal and those values are designated by a “0x”...
  • Page 22 PAGE 22           20 JUN 2005                   WCM802/900  CC (Command Sequence Character) Command <Command Mode Options> CC Command is used AT Command: ATCC to set the ASCII character to be used between Binary Command: 0x13 (19 decimal) Guard Times of the AT Command Mode Sequence Parameter Range: 0x20 –...
  • Page 23 WCM802/900          20 JUN 2005              PAGE 23  CT (Command Mode Timeout) Command <Command Mode Options> CT Command sets AT Command: ATCT the amount of time before AT Command Mode Binary Command: 0x06 (6 decimal) terminates automatically. After a CT time of Parameter Range: 0x02 –...
  • Page 24 PAGE 24           20 JUN 2005                   WCM802/900  FL (Software Flow Control) Command AT Command: ATFL <Serial Interfacing> FL Command is used to configure software flow control. Hardware flow Binary Command: 0x07 (7 decimal) control is implemented with the WCM802 / Parameter Range: 0 –...
  • Page 25 ID (Module VID) Command <Networking> Read the module’s VID. VID is a AT Command: ATID Horner-specific acronym that stands for “Vendor Binary Command: 0x27 (39 decimal) Identification Number”. This number is factory- Parameter Range (user-settable):...
  • Page 26 PAGE 26           20 JUN 2005                   WCM802/900  MK (Address Mask) Command <Networking> MK Command is used to set/read AT Command: ATMK the Address Mask. Binary Command: 0x12 (18 decimal) All data packets contain the Destination Address Parameter Range: 0 – 0xFFFF of the transmitting module.
  • Page 27 WCM802/900          20 JUN 2005              PAGE 27  PW (Pin Wake-up) Command AT Command: ATPW <Sleep (Low Power)> Under normal operation, a module in Cyclic Sleep Mode cycles from an Binary Command: 0x1D (29 decimal) active state to a low-power state at regular Parameter Range: 0 –...
  • Page 28 PAGE 28           20 JUN 2005                   WCM802/900  RP (RSSI PWM Timer) Command <Diagnostics> RP Command is used to enable a AT Command: ATRP PWM (“Pulse Width Modulation”) output on the Binary Command: 0x22 (34 decimal) Config pin which is calibrated to show the level Parameter Range: 0 - 0x7F the received RF signal is above the sensitivity [x 100 milliseconds]...
  • Page 29 WCM802/900          20 JUN 2005              PAGE 29  RT (DI2 Configuration) Command AT Command: ATRT <Serial Interfacing> RT command is used to dictate the behavior of the DI2/ /CMD line. RT Binary Command: 0x16 (22 decimal) Command must be issued to enable flow Parameter Range: 0 –...
  • Page 30 PAGE 30           20 JUN 2005                   WCM802/900  SM (Sleep Mode) Command AT Command: ATSM <Sleep Mode (Low Power)> SM Command is used to adjust Sleep Mode settings. By default, Sleep Binary Command: 0x01 Mode is disabled and the module remains Parameter Range: 0 –...
  • Page 31 WCM802/900          20 JUN 2005              PAGE 31  SM Command (continued) The module remains in Sleep Mode for a user-defined period of time ranging from 0.5 seconds to 16 seconds (SM Parameters 3 through 8). After this interval of time, the module returns to Idle Mode and listens for a valid data packet for 100 ms.
  • Page 32 PAGE 32           20 JUN 2005                   WCM802/900  ST (Time before Sleep) Command <Sleep Mode (Low Power)> ST Command sets AT Command: ATST the period of time (in tenths of seconds) in which Binary Command: 0x02 the module remains inactive before entering into Parameter Range: 0x10 –...
  • Page 33 WCM802/900          20 JUN 2005              PAGE 33  TT (Streaming Limit) Command <Networking> TT Command defines a limit on AT Command: ATTT the number of bytes that can be sent out before a Binary Command: 0x1A (26 decimal) random delay is issued.

  • Page 34: Appendix A: Agency Certifications

    IMPORTANT: The WCM900 (900 MHz) and WCM802 (2.4 GHz) OEM Modules have been certified by the FCC for use with other products without any further certification (as per FCC section 2.1091). Changes or modifications not expressly approved by Horner could void the user’s authority to operate the equipment.

  • Page 35: Oem Labeling Requirements

    Modules (including “Mag Mount”, “Dome”, “Multi-path” and “Panel” antennas). Because of the large number of approved antennas, Horner requests that you send specific information about an antenna you would like to use with the module and Horner will evaluate whether the antenna is covered under our FCC filing.

  • Page 36: Fcc-Approved Antennas

    2.1 dBi Fixed/Mobile ** 20 cm A24-HABSM Dipole 2.1 dBi Fixed/Mobile ** 20 cm A24-QABMM-P6I Monopole 1.9 dBi Fixed/Mobile ** 20 cm A24-Q1 Monopole 1.9 dBi Fixed/Mobile ** 20 cm Monopole 1.9 dBi Fixed/Mobile ** 20cm   * FCC‐approved antennas not inventoried by Horner – Contact Horner TECHNICAL SUPPORT (See Appedix B for phone  information.)  ** Can be approved for portable applications if integrator gains approval through SAR testing   ...

  • Page 37: European Compliance (2.4 Ghz Only)

    EMC and safety. Files are located in the ‘documentation’ folder of the Horner CD. Important Note Horner does not list the entire set of standards that must be met for each country. Horner customers assume full responsibility for learning and meeting the required guidelines for each country in their distribution market.

  • Page 38: Europe (2.4 Ghz) Approved Antenna List

    • Modulation: Frequency Shift Keying • Channel Spacing: 400 kHz • ITU Classification: 400KF1D • Output Power: 100 mW EIRP • Notified Body Number: 0891 Contact Horner if additional information is required. Europe (2.4 GHz) Approved Antenna List Table A.3.  Antennas approved for use with WCM802 (2.4 GHz) RF Modules in Europe  Part Number Type...

  • Page 39: Appendix B: Additional Information

    WCM802/900          20 JUN 2005              PAGE 39  Appendix B: Additional Information  Technical Support For user manual updates and assistance, contact Technical Support: North America: (317) 916-4274 www.heapg.com Europe: (+) 353-21-4321-266 www.horner-apg.com...
  • Page 40 PAGE 40           20 JUN 2005                   WCM802/900  NOTES...

This manual is also suitable for:

He800wcm900He-wcm802He-wcm900

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