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Arcom Director DS2 Hardware Manual

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DS2/DS4 Hardware Manual

Product Information

Full information about other Arcom products is available
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st
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us-sales@arcom.com
Whilst Arcom's sales team is always available to assist you in making your decision, the final choice of boards
or systems is solely and wholly the responsibility of the buyer. Arcom's entire liability in respect of the boards
or systems is as set out in Arcom's standard terms and conditions of sale.
If you intend to write your own low-level software, you can start with the source code on the disk that is
supplied. This is example code only to illustrate use on Arcom's products. It has not been commercially
tested. No warranty is made in respect of this code and Arcom shall incur no liability whatsoever or
howsoever arising from any use made of the code.
© 2005 Arcom Control Systems Inc
All trademarks recognized.
DS2/DS4
DIRECTOR
Hardware Manual
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Summary of Contents for Arcom Director DS2

  • Page 1: Product Information

    Whilst Arcom’s sales team is always available to assist you in making your decision, the final choice of boards or systems is solely and wholly the responsibility of the buyer. Arcom’s entire liability in respect of the boards or systems is as set out in Arcom’s standard terms and conditions of sale.

  • Page 2: Table Of Contents

    DS2/DS4 Hardware Manual Contents Revision History...........................4 Preface ............................5 Scope of this Manual........................5 Name Conventions.........................5 Anti-Static Handling........................5 Electromagnetic Compatibility (EMC) ....................5 Packaging ............................5 Disclaimer ............................5 Introduction ..........................6 DS2/DS4 Unit Hardware.......................7 Specifications ..........................8 4.1.1 Battery Safety Guidelines.......................8 Enclosure ............................9 4.2.1 DS2/DS4 Internal Arrangement ....................11 4.2.2 I/O Expandability Options......................11 Processor Board –...
  • Page 3 DS2/DS4 Hardware Manual 5.6.3 AIM104-IN16 Connection Wiring....................34 AIM104 – PULSE .........................35 5.7.1 Board Specification ........................35 5.7.2 AIM104-PULSE Link Settings ......................35 5.7.3 AIM104-PULSE Connection Wiring .....................37 AIM104 – HBI..........................38 5.8.1 HART Input Specifications ......................38 5.8.2 Analog Output Specifications .......................38 5.8.3 AIM104-HBI Link Settings ......................39 5.8.4 I/O Connection using Ribbon Cabling ..................40 5.8.5 HART Wiring Diagrams ........................41 Page 3...

  • Page 4: Revision History

    DS2/DS4 Hardware Manual 1 Revision History Manual Comments Revision 1.0 11-Aug-05 Initial release of DS2/DS4 Hardware Manual, separated from older APEX/Director Hardware Manual Page 4...

  • Page 5: Preface

    EMC standards. Arcom EMC tests of the DS2/DS4 have shown that the RF emissions of the board are well below standard international EMC limits and that it is unlikely to contribute significantly to the RF emissions spectrum of any system in which it is used.

  • Page 6: Introduction

    DS2/DS4 Hardware Manual 3 Introduction This manual covers the hardware information for the Director product line. It details the standard and optional hardware, specifications, and information required by the system designer for setting up the unit configuration. The different models of Director use the same software operating system and are differentiated from each other simply based on the physical enclosure and hardware platform.

  • Page 7: Ds2/Ds4 Unit Hardware

    DS2/DS4 Hardware Manual 4 DS2/DS4 Unit Hardware The Director unit always has the same basic hardware, and this chapter describes the necessary links and pin- outs that need to be understood before the system can be used. Director units are provided fully tested and are typically supplied from the factory with a default software configuration.

  • Page 8: Specifications

    DS2/DS4 Hardware Manual Specifications Processor Intel 386EX 25 MHz Memory 1 Mb SRAM 1 Mb Flash (for storage of operating system and configuration) Battery Non-rechargeable 3V lithium for maintaining Real Time Clock and SRAM Temperature: -40 to +70º C (operating) -50 to +85º...

  • Page 9: Enclosure

    DS2/DS4 Hardware Manual Enclosure The Director unit consists of a processor board and other circuit boards installed in a panel mount metal enclosure, which includes interior electrical shielding. Enclosure and mounting dimensions are shown below. DS2 Mounting Dimensions Front View COM 1 COM 0 COM 3...
  • Page 10 DS2/DS4 Hardware Manual DS4 Mounting Dimensions Front View COM 1 COM 0 COM 3 COM 2 - + G 4.125 in. (105 mm) 4.84 in. (123 mm) Drg. S15039-05 By default, the processor board has four serial ports available on-board. These are brought to the front of the enclosure via a termination board (SCT-AIM104).

  • Page 11: Ds2/Ds4 Internal Arrangement

    DS2/DS4 Hardware Manual 4.2.1 DS2/DS4 Internal Arrangement Several circuit boards make up a DS2/DS4, which are connected together internally as shown in the following diagram. Baseboard contains: Side View Cutaway • 24VDC Power Supply (18-36v) • Jumpers for 1 RS-485 •...

  • Page 12: Processor Board - Aim104-386Ex

    DS2/DS4 Hardware Manual Processor Board – AIM104-386EX The AIM104-386EX is a single board computer with the PC/104 form factor, based on the Intel 386EX processor. On-board peripheral functions include four COM channels, a real time clock and an event timer/watchdog timer. The event timer can trigger periodic recovery from power down mode, allowing low average current consumption.

  • Page 13: Sct-Aim104 Link Settings

    DS2/DS4 Hardware Manual 4.3.2 SCT-AIM104 Link Settings When used in a Director, a few jumpers are necessary on the SCT-AIM104 baseboard for proper use with certain I/O boards. These links are located on the bottom of the PC/104 pins, and connect certain IRQ lines together on the processor card.

  • Page 14: Rs-232 Serial Interface: Com0 To Com3

    DS2/DS4 Hardware Manual 4.3.3 RS-232 Serial Interface: COM0 to COM3 Four 9-way 'D' type connectors (DB-9) for COM0 through COM3 are located on the front of the Director enclosure from the SCT-AIM104 board, which receives its signals via a 50-way ribbon cable to the AIM104- 386EX.

  • Page 15: Rs-485 Serial Interface: Com3

    DS2/DS4 Hardware Manual 4.3.4 RS-485 Serial Interface: COM3 The last serial port on the DS2/DS4 (COM3) may be optionally configured for either RS-232 or RS-485 communication. SCT-AIM104 links JP1-JP4 must be in the “RS485” position to operate in this mode. The RS-485 communication port is optically isolated.
  • Page 16 DS2/DS4 Hardware Manual 2-wire RS-485 Device Connections Middle End Device 1st Device Device(s) (Optional) End devices usually need 120 ohm termination resistor, optional middle device(s) must not have resistor. 4-wire RS-485/422 Device Connections Middle Master Device Device(s) End Device (Optional) End device (and RS-485 Master) may need 120 ohm termination resistor, optional middle device(s) must not have resistor.

  • Page 17: Optional I/O Boards

    Director software to recognize the Ethernet adapter, it must be configured for the correct base address and IRQ of the Ethernet controller. This is typically done via the ACE (Arcom Configuration Environment) configuration program. The Address and IRQ settings are also used when selecting Ethernet as the mode of operation for the Bootloader menu (see Startup Manual).

  • Page 18: Aim104-Ser4 Serial Interface

    DS2/DS4 Hardware Manual AIM104-SER4 Serial Interface This section describes the use of the AIM104-SER4 serial communications board. All baud rates, parity, stop bits and data bits are configured using the ACE configuration tool. Every channel may be configured independently. Maximum baud rate is 57.6 kbaud. The AIM104-SER4 has a 50-way connector which connects via a 50-way ribbon cable to four 9 way ‘D’...

  • Page 19: Ser4 Link Settings - 2Nd Card

    DS2/DS4 Hardware Manual 5.2.3 SER4 Link Settings – 2nd Card Below are the link settings for an AIM104-SER4 to configure it for the second bank of COM ports. These will be COM 8 through COM 11 on the DS4. E D C B A Page 19...

  • Page 20: Signal Interface To 9 Way 'D' Type Connectors

    DS2/DS4 Hardware Manual 5.2.4 Signal Interface to 9 way ‘D’ type connectors The DS4 has a few optional rear plates that provide four or eight 9-way 'D' type connectors (DB-9) which may plug directly into the 50-way termination on the AIM104-SER4. The pin-out of the DB-9 serial interface is presented as follows: The direction of data with respect to the DS4 is such that the DS4 acts as a DTE device.

  • Page 21: Aim104-Com4 Serial Interface

    DS2/DS4 Hardware Manual AIM104-COM4 Serial Interface This section describes the use of the AIM-COM4 serial communications board. All baud rates, parity, stop bits and data bits are configured using the ACE configuration tool. Every channel may be configured independently. Maximum baud rate is 115.2 kBaud. The AIM104-SER4 has a 50-way connector which connects via a 50-way ribbon cable to four 9 way ‘D’...
  • Page 22 DS2/DS4 Hardware Manual LK11 LK15 LK13 LK12 LK10 LK16 LK14 15 11 10 9 7 5 4 3 Drg. S15024-06 Selecting the Appropriate Communication Mode Configure links LK9-12 for the appropriate differential communications mode for COM4 and COM5. COM4 (channel A) LK11 Mode Description...
  • Page 23 DS2/DS4 Hardware Manual LK13-15 Differential Pair Termination Links Differential communications pairs should be terminated to prevent reflections from either end of the communications cables. Each pair should be terminated at each end of the wire run with a resistance that matches the impedance of the cable.
  • Page 24 DS2/DS4 Hardware Manual Pulled Active Differential pair is pulled apart to mimic a UART sending a break condition. Pulled Active and Terminated Differential pair is terminated with 124 Ω and is pulled apart to mimic a break condition. The following links configure the termination for the differential pairs: Link Channel RS422 Pair...

  • Page 25: Signal Interface To 9 Way 'D' Type Connectors

    DS2/DS4 Hardware Manual 5.3.3 Signal Interface to 9 way ‘D’ type connectors The DS4 has optional rear plates that provide four 9-way 'D' type connectors (DB-9) which may plug directly into the 50-way termination on the AIM104-COM4. The pin-out of the DB-9 serial interface is presented as follows: DS4 with AIM104-COM4 (RS-485) ports A and B on AIM104-COM4 board are RS-485/422.

  • Page 26: Aim104 - Multi-Io

    DS2/DS4 Hardware Manual AIM104 - MULTI-IO The MULTI-IO board provides up to 8 opto-isolated digital inputs, 2 analog outputs (voltage or current) and 16 single ended or 8 differential analog inputs. 5.4.1 Board Specification Power Consumption 2.4 Watts, excluding loop power 5.4.2 Analog Input Specifications Number of Inputs...

  • Page 27: Multi-Io Link Settings

    DS2/DS4 Hardware Manual Output Impedance Vout =< 10Ω ±2 LSB (max) @ 25ºC Accuracy 5.4.5 MULTI-IO Link Settings Link settings on the MULTI-IO determine where the board's I/O will appear in memory. If more than one MULTI-IO board is used, the first MULTI-IO in a Director should be addressed as Board #1, and the second as Board #2.

  • Page 28: Aim104-Multi-Io Connection Wiring

    DS2/DS4 Hardware Manual 5.4.6 AIM104-MULTI-IO Connection Wiring This drawing shows the termination pinout from the 50-way ribbon cable on the AIM104-MULTI-IO to 25- way D-type connectors on the rear of the DS4. To the right of the ribbon cable is the pinout of optional modules to convert the 25-way connectors to screw terminals.

  • Page 29: Aim104 - Rly8/In8

    DS2/DS4 Hardware Manual AIM104 - RLY8/IN8 The RLY8/IN8 board provides up to 8 opto-isolated digital inputs and 8 relay outputs. Jumper options are included for each digital input to select a 10ms input debounce filter. 5.5.1 Board Specification Power Consumption 1.25 Watts, excluding loop power 5.5.2 Digital Input Specifications...
  • Page 30 DS2/DS4 Hardware Manual Each opto-isolated input channel can be set to include an input filter to reduce input errors caused by switch contact bounce by setting LK 2 where channel 0 is LK2A and channel 7 is LK2H Page 30...

  • Page 31: Aim104-Rly8/In8 Connection Wiring

    DS2/DS4 Hardware Manual 5.5.5 AIM104-RLY8/IN8 Connection Wiring This drawing shows the termination pinout from the 50-way ribbon cable on the AIM104-RLY8/IN8 to 25- way D-type connectors on the rear of the DS4. To the right of the ribbon cable is the pinout of optional modules which convert the 25-way connectors to screw terminals.

  • Page 32: Aim104 - In16

    DS2/DS4 Hardware Manual AIM104 – IN16 The AIM104-IN16 board provides up to 16 opto-isolated digital inputs. Jumper options are included for each digital input to select a 10ms input debounce filter. 5.6.1 Board Specification Power Consumption 0.5 Watts, excluding loop power Number of Inputs 16 opto-isolated digital inputs 10 V to 30 V...
  • Page 33 DS2/DS4 Hardware Manual Page 33...

  • Page 34: Aim104-In16 Connection Wiring

    DS2/DS4 Hardware Manual 5.6.3 AIM104-IN16 Connection Wiring This drawing shows the termination pinout from the 50-way ribbon cable on the AIM104-IN16 to 25-way D- type connectors on the rear of the DS4. To the right of the ribbon cable is the pinout of optional modules to convert the 25-way connectors to screw terminals.

  • Page 35: Aim104 - Pulse

    DS2/DS4 Hardware Manual AIM104 – PULSE The AIM104-PULSE board provides 16 opto-isolated digital inputs. Of these, the first 4 inputs may be used as frequency (0-100 kHz) pulse inputs. The first 10 inputs may be used as low frequency accumulator pulse inputs.
  • Page 36 DS2/DS4 Hardware Manual LK4P LK4O LK4N LK6P LK4M LK6O LK6N LK4L LK6M LK4K LK6L LK4J LK6K LK4I LK6J LK6I LK6H LK6G LK6F LK6E LK4H LK6D LK4G LK6C LK4F LK6B LK4E LK6A LK4D LK4C LK4B LK4A E D C B A Page 36...

  • Page 37: Aim104-Pulse Connection Wiring

    DS2/DS4 Hardware Manual 5.7.3 AIM104-PULSE Connection Wiring This drawing shows the termination pinout from the 50-way ribbon cable on the AIM104-PULSE to 25-way D-type connectors on the rear of the DS4. To the right of the ribbon cable is the pinout of optional modules to convert the 25-way connectors to screw terminals.

  • Page 38: Aim104 - Hbi

    DS2/DS4 Hardware Manual AIM104 – HBI The AIM104-HBI board provides up to 2 channels of HART protocol and 2 analog outputs. Power consumption of the AIM104-HBI is 1 Watt, excluding loop power. The I/O specification is given in following sections. HART (Highway Addressable Remote Transducer) protocol is a common "Smart"...

  • Page 39: Aim104-Hbi Link Settings

    DS2/DS4 Hardware Manual 5.8.3 AIM104-HBI Link Settings Link settings on the AIM104-HBI determine where the board's I/O will appear in memory. These link settings must be configured correctly in order for the board to operate correctly. Board Fitted PC/104 Base Address LK1 Jumpers Installed Board #1 0x2D0...

  • Page 40: I/O Connection Using Ribbon Cabling

    DS2/DS4 Hardware Manual 5.8.4 I/O Connection using Ribbon Cabling This drawing shows the termination pinout from the AIM104-HBI board via a 10-way ribbon cable. See section 5.8.5, HART Wiring Diagrams, for specific examples of HART circuits to external devices. +24F Vref FGND FGND...

  • Page 41: Hart Wiring Diagrams

    DS2/DS4 Hardware Manual 5.8.5 HART Wiring Diagrams The wiring diagrams in this section show several typical connection arrangements. HART product documentation and good technical judgment should also be used to determine the correct wiring arrangement for a particular application. 2-Wire Transmitter A large number of HART devices are 2-wire transmitters that require loop power.
  • Page 42 DS2/DS4 Hardware Manual 4-Wire Transmitter, Self-Powered Some HART devices are separately powered and provide power on the HART loop without requiring an external supply. A typical wiring arrangement is shown below. 4-Wire Self Powered HART Transmitter(s) Power + AIM104-HBI Power - CHx + HART Signal + HART Signal -...
  • Page 43 DS2/DS4 Hardware Manual 4-Wire Valve Positioner, HART externally powered 4-Wire HART Valve Positioner Loop 24 V PSU (assuming HART Signal requires power) AIM104-HBI HART Signal + +24F HART Signal - CHx + 250 Ω CHx - IN + IOUTx IN - FGND 4-Wire Valve Positioner, HART internally powered 4-Wire HART...

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