Acromag IOS-440 User Manual

32-channel isolated digital input module with interrupts

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IOS-440
32-Channel Isolated Digital Input Module with
Interrupts
USER'S MANUAL
r e t i r e d
ACROMAG INCORPORATED
Tel: (248) 295-0310
30765 South Wixom Road
Fax: (248) 624-9234
P.O. BOX 437
Wixom, MI 48393-7037 U.S.A.
solutions@acromag.com
Copyright 2009, Acromag, Inc., Printed in the USA.
8500-839-B11C007
Data and specifications are subject to change without notice.

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Summary of Contents for Acromag IOS-440

  • Page 1 ACROMAG INCORPORATED Tel: (248) 295-0310 30765 South Wixom Road Fax: (248) 624-9234 P.O. BOX 437 Wixom, MI 48393-7037 U.S.A. solutions@acromag.com Copyright 2009, Acromag, Inc., Printed in the USA. 8500-839-B11C007 Data and specifications are subject to change without notice.
  • Page 2: Table Of Contents

    The information contained in this manual is subject to change MODEL INPUT RANGE THRESHOLD without notice. Acromag, Inc. makes no warranty of any kind with IOS-440-2 16 to 40V DC or AC peak 16V Max regard to this material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.
  • Page 3: I/O Server Module Interface Features

    IOS module documentation for configuration and assembly which is accessed via data transfers in the "ID Read" space. instructions. Model IOS-440 digital input boards have no 8-bit I/O - Port register Read/Write is performed through 8- hardware jumpers or switches to configure.
  • Page 4: Noise And Grounding Considerations

    The I/O space may be as large as 64, 16-bit words (128 Modules. bytes) using address lines A1..A6, but the IOS-440 uses only a portion of this space. The I/O space address map for the IOS- Note that the inputs of this device are bipolar, and may be 440 is shown in Table 3.1.
  • Page 5 SERIES IOS-440 I/O SERVER MODULE 32-CHANNEL ISOLATED DIGITAL INPUT MODULE _________________________________________________________________________________________ Table 3.1B: IOS-440 R/W Space Address (Hex) Memory Map Table 3.1A: IOS-440 R/W Space Address (Hex) Memory Map HIGH HIGH Base Base Base Base Addr+ Addr+ Addr+ Addr+ ENHANCED MODE, REGISTER BANK [1] DEFINITIONS:...
  • Page 6: Register Definitions

    SERIES IOS-440 I/O SERVER MODULE 32-CHANNEL ISOLATED DIGITAL INPUT MODULE _________________________________________________________________________________________ Table 3.1B: IOS-440 R/W Space Address (Hex) Memory Map Standard Mode Write Mask Register (Port 7) HIGH WRITE TO REGISTER READ FROM REGISTER Base Base Port 0 Write Mask...
  • Page 7 SERIES IOS-440 I/O SERVER MODULE 32-CHANNEL ISOLATED DIGITAL INPUT MODULE _________________________________________________________________________________________ Enhanced Mode Bank Select Event Polarity Control Register For Ports 0-3 (Enhanced Mode Bank 1, Port 6, Write Only) Bit 7 Bit 6 BANK OF REGISTERS Bank 0 - Read Input Signals...
  • Page 8 Bits 0-5 of this register are not used. Bits 6 & 7 of this register are used to indicate the bank of registers to be On the original IOS-440, this register was used to select the addressed. In Enhanced Mode, three banks (banks 0-2) of eight 8MHz IOS clock for debounce.
  • Page 9: The Effect Of Reset

    ID PROM bytes are addressed using only the even connection with each other. Separate commons are provided for addresses in a 64 byte block. The IOS-440 ID PROM contents each port to facilitate port-to-port isolation. A high signal is are shown in Table 3.2.
  • Page 10: Change-Of-State Detection

    The following example outlines the steps necessary to FPGA input and does not include the opto-coupler delay. You configure the IOS-440 for Enhanced Mode operation, to setup can combine debounce with event sensing to obtain “glitch-free” event-generated interrupts, configure debounce, and read and edge detection of incoming signals for all 32 channels.
  • Page 11: Theory Of Operation

    This section provides a description of the basic functionality read back. of the circuitry used on the board. Refer to the IOS-440 BLOCK DIAGRAM as you review this material. 8. To enable event sensing for the port 0 input points, write FFH...
  • Page 12: Service And Repair

    Acromag‟s application engineers can also be contacted Individual opto-couplers for each channel provide isolation for the Model IOS-440. Channels are isolated from each other in directly for technical assistance via telephone or FAX through the groups of 8. There are 8 channels to a group or port. Because numbers listed below.
  • Page 13: Specifications

    SERIES IOS-440 I/O SERVER MODULE 32-CHANNEL ISOLATED DIGITAL INPUT MODULE _________________________________________________________________________________________ 6.0 SPECIFICATIONS Electrostatic Discharge Immunity (ESD)......Complies with EN61000-4-2 GENERAL SPECIFICATIONS Level 3 (8KV enclosure port air Physical Configuration....Single I/O SERVER MODULE discharge) and Level 2 (4KV Length........4.030 in. (102.36 mm).
  • Page 14 SERIES IOS-440 I/O SERVER MODULE 32-CHANNEL ISOLATED DIGITAL INPUT MODULE _________________________________________________________________________________________ Turn-Off Time......Measured to the point of configured. Each debounce time negative event interrupt detection has an error of up to ±375ns. (IntReq0 pulled low) - 15us Interrupts........Each channel has configurable Typical (25 C) for a threshold to interrupts.
  • Page 15 SERIES IOS-440 I/O SERVER MODULE 32-CHANNEL ISOLATED DIGITAL INPUT MODULE _________________________________________________________________________________________ - 15 - Acromag, Inc. Tel:248-295-0310 Fax:248-624-9234 Email:solutions@acromag.com http://www.acromag.com...

This manual is also suitable for:

Ios-440-2

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