Honeywell HDCD8TP User Manual

Honeywell HDCD8TP User Manual

8-way rs485/rs232 to rs485 bi-directional distribution box

Quick Links

HDCD8TP
8-Way RS485/RS232 to RS485
Bi-directional Distribution Box
User Manual
HAMU000876 – December 2004 – Rev. B
Table of Contents
loading

Summary of Contents for Honeywell HDCD8TP

  • Page 1 HDCD8TP 8-Way RS485/RS232 to RS485 Bi-directional Distribution Box User Manual HAMU000876 – December 2004 – Rev. B...
  • Page 2 ISSUE DATE REVISIONS August 2004 Initial Release. December 2004 Added application information – PCN 1919 Rev. B HAMU000876 12/29/04...
  • Page 3 IMPORTANT SAFEGUARDS Read these notes before attempting to operate the unit Refer all servicing to qualified personnel. These products are for internal use only. These products contain static electricity sensitive devices. Please take appropriate precautions when handling. Handle the unit with care, as improper handling may cause irreparable damage to the precision or sensitive parts within this unit.
  • Page 4 PURCHASE INFORMATION Date Purchased: Serial Number: Location Installed: Rev. B HAMU000876 12/29/04...
  • Page 5: Table Of Contents

    Figure 4: 9-Pin D connector connections (PC Control) ................3 Figure 5: RS485 Termination ........................5 Figure 6: Daisy Chain Wiring Multiple HDCD8TP Units................6 Figure 7. Cascade Wiring Multiple HDCD8TP Units ..................7 Figure 8. Baud Rate Settings ........................8 Rev.
  • Page 6 Rev. B HAMU000876 12/29/04...
  • Page 7: Section 1: Introduction

    This unit provides the user the capability of expanding the number of receivers (e.g. PTZ receivers) in a system. The input to the HDCD8TP can be either an RS485 or RS232 (PC) controller. Each output is capable of transmitting control data via daisy-chain wiring to thirty-two RS485 units.
  • Page 8: Section 2: Connections, Settings, And Indicators

    Terminated 12 Volts DC Uplink Figure 2: HDCD8TP Rear Panel 2.1.1 POWER CONNECTIONS The HDCD8TP requires a 12 Volt DC @ 250mA power supply. Connections are shown in Figure 3. Power 12 Volts DC 2-Pin Connector (as viewed from the HDCD8TP rear panel) Figure 3.
  • Page 9: Pc Control

    CONNECTIONS, CONTINUED 2.1.2 PC Control The HDCD8TP can be connected to a PC or other RS232 system at the PC Control connector. RS232 commands inputted at the PC CONTROL connector are converted to RS485 and outputted on all eight (8) RS485 O/P connectors RS485 replies received on any of the eight (8) O/P connectors are converted to RS232 and then outputted at the PC Control connector.
  • Page 10: Rs485 Input

    CONNECTIONS, CONTINUED 2.1.3 RS485 Input The HDCD8TP can be connected to an RS485 transmitter such as a controller using the 3-way screw terminal connector. RS485 commands input at the RS485 Input connector are outputted on all eight RS485 outputs (O/P1...O/P8). RS485 data received at any of the eight O/P connectors is outputted as RS485 at the RS485 Input connector.
  • Page 11: Rs485 Termination Settings

    1 and 2 on the 8-position DIP switch located on the rear panel. If the HDCD8TP is the only HDCD8TP connected to the RS485 lines, the termination should be set to the ON position. (Refer to Figure 5.)
  • Page 12: Figure 6: Daisy Chain Wiring Multiple Hdcd8Tp Units

    PC Control RS485 Input RS485 Input/ O/P 1 O/P 2 O/P 3 O/P 4 O/P 5 O/P 6 O/P 7 O/P 8 RS485 12 Volts DC Terminated Uplink Figure 6: Daisy Chain Wiring Multiple HDCD8TP Units Rev. B HAMU000876 12/29/04...
  • Page 13: Cascade Wiring Configuration

    Multiple units can also be wired from any of the RS485 output ports (O/P) to the RS485 Input connector. This wiring configuration is called cascading. If units are connected using a cascade wiring configuration, the termination on all HDCD8TP units are set to ON. (Refer to Figure 7.)
  • Page 14: Baud Rate

    The communication baud rate is set using switch positions 3 through 8 on the 8-position DIP switch located on the rear panel of the HDCD8TP unit. The baud rate can be set to 2400, 4800, 9600, and 19200. Refer to Figure 8.
  • Page 15: Section 3: Specifications

    NOTE: There should be a 4 ms idle when changing the direction of data. In specific applications, this delay can be changed by fitting VR1 and VR2. There is no need to alter these delays for use with RapidView and Honeywell Video Dome products. Rev. B...
  • Page 16 All rights reserved. No part of this publication may be reproduced by any means without written permission from Honeywell Video Systems. The information in this publication is believed to be accurate in all respects. However, Honeywell Video Systems cannot assume responsibility for any consequences resulting from the use thereof. The information contained herein is subject to change without notice.

Table of Contents